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Engine Specific Info and Questions => IDI Engine => Topic started by: Smokey Eddy on July 08, 2010, 03:44:19 am
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pros vs. cons to muffling the sound of your beast. Specifically a homemade straight exhaust.
mine currently is a 2.5 inch turbo back to rear tires split out each side. Very loud in urban areas.
I loved the sound of my 1.9/1.6 but it got annoying after a while.
I'm really considering glass packs for my AAZ build...
thoughts?
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IMHO, depends on your turbo more than anything. My mk3 is a daily hiway commuter and for half the trip I have my significant other in the car - and its an hour each way. So, I habe 2.5" from the turbo all the way ou the back (twin tailpipe tip that points the smoke at the road a bit). I have a straight through rear muffler , and a 12" long fluted resonator about halfway.
With a T3, its got a decently loud note on full acelleration but is pretty quiet in the cruise. With a T2, its dead quiet all the time. With the current K14, its still got a note, but about half as loud as the T3.
I totally agree with the old addage that "the turbocharger is the worlds most expensive muffler".
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My 1.9 with K03 was a 2.5 Straight pipe from the turbo back and it wasnèt too bad,
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My 1.9 with a K14 and 2.5" straight pipe doesn't bother me at all. I can hardly even hear it over the sound of my engine
Maybe instead of a muffler, you just need another turbo on there?
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On my supercharged 1.6 I had 2.5 in no cat, no muffler stack that comes out right behind the driver side of the bed.....gave me horrible head aches. I have a long swirl pack muffler on there now, it sounds better and doesnt leave me reaching for Advil ;D
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My daily is a 1.9l k14, no cat, into VR6 Magnaflow cat back system(2.5"). It only loud under heavy load, always spooling. Not offensive.
Cabby running 2.5" stainless off header to rear with Magnaflow resonator in the factory muffler positions - offensive, police called. Rabbit straight pipe at 2" will be getting 2.5" stainless new 1.9l that is waiting to be installed. Wifes car running OEM.
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On my supercharged 1.6 I had 2.5 in no cat, no muffler stack that comes out right behind the driver side of the bed.....gave me horrible head aches. I have a long swirl pack muffler on there now, it sounds better and doesnt leave me reaching for Advil ;D
yes, I should have mentioned my turbo is a T3. It had me reaching for the Advil after long drives. I just hate the drone of it on the highway. I have two heavy duty isolators hanging the ehxaust from the floor pans. I think i should add some sort of muffling device...
It had gotten to the point that i was going to throw a few 100 pounds of sound deadening material around the firewall all the way back to the end of the trunk.
And yes RadoTD, perhaps i do need another turbo... you're right.
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In my mk1 gti with a 1.6td I have 2.5" mandrel turbo back with a Magnaflow straight through. It's a diesel series if I remember right. Was a bit of a pain to fit behind the rear beam because the case is 18" long x7" diameter. Works well though, it has a decent throaty sound but no drone to speak of.
Btw that's with a K24
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Where should i buy a muffler(s)? and where should i put them?
It would be fun to have two and use them as exhaust tips opposed to the really badly oxidized $10 ones i have now.
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does anyone have an exhaust that dumps right after the downpipe?
ie: no exhaust past the engine bay?
does it get to be too much drone?
does it make a difference in power at all?
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does anyone have an exhaust that dumps right after the downpipe?
ie: no exhaust past the engine bay?
does piping it all the way back make a difference in the sound?
or in power?
Im pretty sure no one really wants to have there exhaust dump right after the engine bay, in turn being right under you. First of all all the soot from your exhaust would cover the bottom of your car in no time and second it is the loudest thing you'll ever hear in your entire life. When I was changing the exhaust a while back on my car to a 2.25" straight pipe I took it for a ride around the block. Needless to say I couldn't even hear the guy sitting next to me when he was pretty much yelling. Not very convienient.
As for the rest of the exhaust the only way it will add power is if your current exhaust is to small and restrictive and you replace it with a larger, better flowing system
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I would have to agree with Thezorn. I ran mine with just a downpipe for a little because I couldn't wait to drive it. It sucked. I then built the system I mentioned above and couldn't tell any difference in power at all.
Admitedly though I doubt that it was makin more than 90hp....
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I did notice a power increase in my build when i did that but it wasn't worth the stench of exhaust or the deafening racket it made.
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As for the loudness of the exhaust, like stated above, your turbo has a huge impact on how your engine is going to sound. For instance I have an AAZ with a K14 and under hard exceleration at low rpm it is quite loud, and of course WOT is loud also, But in the mid range the sound is not bad at all. Definatley no where near as bad as a straight piped civic I saw earlier today.
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I had a MagnaFlow dual tip muffler on the end of a 2.25" DP back exhaust, just enough muffle to kill the drone, and not be too loud.... So I chopped and replaced with a foot and a half of 5" semi stack, basically straight DP back, way louder with some drone in the drivers seat, amazingly, the passenger seat was way louder, and the drone unbearable... Last time I sit there :o
(http://h.imagehost.org/t/0432/DSCN0405.jpg) (http://h.imagehost.org/view/0432/DSCN0405)
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I've ran a NA with an "open header." That lasted all of one week.
On my 1.6TD w/ K24 the exhaust rotted off at the downpipe halfway down the firewall. It wasn't too loud but it did drone quite a bit. The cabin would fill with exhaust fumes though and I always had headaches.
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I've ran a NA with an "open header." That lasted all of one week.
On my 1.6TD w/ K24 the exhaust rotted off at the downpipe halfway down the firewall. It wasn't too loud but it did drone quite a bit. The cabin would fill with exhaust fumes though and I always had headaches.
My exhaust got forcibly removed years ago and i was too poor to make an exhaust for a long while (no welder) so i drove with just a downpipe for a long time and i was starting to constantly smell of exhaust and i had a head ache at all times. I'm sure it was REALLY REALLY bad for my health... it boosted like there was no tomorrow though with just 2 feet of 2.5ID pipe on the turbo.
Glasspacks are pretty cheap. If i found a 2.5 inch glass pack I could easily stick it in the exhaust. Would it make a difference? Or am i wanting something different like a muffler?
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A 2.5" turboback with a glasspack would work. It's not offensive at all and actually sounds pretty good. Apparently the soot from the exhaust shortens the lifespan of them though.
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Yeah that is something to take into consideration.
What about mufflers over resonators or glass packs, do they soot up too?
Im guessing anything with an edge will catch all the soot and boy does she ever spew the soot ;)
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I did notice a power increase in my build when i did that but it wasn't worth the stench of exhaust or the deafening racket it made.
VNT's rock, i have nothing more than a downpipe, and its only loud in the car at WOT. exhaust doesnt even come in the car. it makes soo much more power with just a downpipe, rather than a full system.
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2.5 turbo back. Sounds nice and aggressive on a good romp but i can keep it quiet if i want too. I do miss that little turbo sigh/phaser sound with the stock DP though. I lost that with the new downpipe.
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2.5 Complete S/S here from techtonic's with a flowmaster muffler
No drone, Perfect
Downpipe is polished, tailpipe is ceramic coated black
Gee-Bee
Paid 300.00 for DP, 315.00 for exhaust
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I'm not sure if this equates to the diesel world, although I can't see why it wouldn't.
What I've found is that the glasspacks help get rid of raspiness/volume, but them on their own just drone. Having a muffler that forces the exhaust to completely change direction seems to get rid of the drone. You are, of course hurting flow though.
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Straight pipe is fine as long as you go all the way to the back of the car, use the stock layout. Mine is an AAZ in a mk2 four door jetta, it's fine until you stomp on it. Just make sure teh pie goes a little past the bumper............
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I did a trip from Vancouver to Kelowna / Penticton and back with nothing but a downpipe. It was ok while cruising, but ANY kind of acceleration was pretty brutal. Accelerating up any kind of incline was nuts, especially past about 2500 RPM. At that point it sounded like the world was going to end inside the car. I've got a K24, trust me it isn't a very effective muffler!
I still have my stock Mk III downpipe at this point, but have a 2.5" all the way back from there. Gibson muffler with dual tips - I would have preferred something with at least SOME kind of turndown at the end, but this is what was available at the time. Sounds pretty good - nice and comfortable for normal driving, but can still rattle the office windows driving downtown when I step on it. Only downside is it just shoots smoke straight backwards so it's highly visible. the left side of my back bumper/trunk lid is also noticeably darker than the right side!
Recently added a Manaflow 2.5" diesel cat as I had to get through AirCare here. That didn't really make any difference for noise under normal driving, but it has cut the peak acceleration sound down a tad. Annoyingly enough during my AirCare inspection I found out they don't check for cats on mechanical diesels, even if they came with them. If I took the same car through as a gasser without a cat it would be an automatic fail with no repair cost limit due to "tampering" with the emissions system. Go figure.
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Annoyingly enough during my AirCare inspection I found out they don't check for cats on mechanical diesels, even if they came with them. If I took the same car through as a gasser without a cat it would be an automatic fail with no repair cost limit due to "tampering" with the emissions system. Go figure.
Wait.. so I don't need to weld the old body of a cat around my exhaust to get through air care? Do I need anything there at all?
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I had a stock Jetta 1.6TD in my Caddy, home built 2 1/4 or 2 1/2 downpipe, then I tried a glasspack, turbo muffler, and Flowmaster in every combo I could, and fankly, there wasn't much difference.
I think length of pipe made a lot more difference than which muffer.
I settled on DP - glasspack - Flowmaster - angle cut tip just ahead of the drivers rear tire. Not stealthy, but I wouldn't describe it as loud either.
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I first tried a 2.5" PP downpipe with straight pipe. Too loud during acceleration and the drone at highway speeds was crazy bothering me.
A straight through flowmaster muffler helped alot, but it could still get annoying. If I was going to do it again I'd put a resonator in as well.
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crap video, but it shows my 1.6TD / k14 / open TT downpipe and what it sounds like
i like it, but i'll be putting in a 2.25 system with a flowmaster so I can pass aircare
Jetta Diesel first start (http://www.youtube.com/watch?v=ueRdP8d3z48#)
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on my old TD 1.6 I ran with just a 2.5" downpipe and almost went mad from the noise and smell(and headaches)
I then installed a turbo muffler right after the downpipe and exhaust to exit right in front of the rear drivers side tire.
sounded great, good noise under hard acceleration, but not too loud or drone.
I later removed the muffler and kept the same exhaust piping, and it was almost as maddening as just the downpipe.
so a $20 turbo muffler from schmucks makes a world of difference.
-Owen
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Annoyingly enough during my AirCare inspection I found out they don't check for cats on mechanical diesels, even if they came with them. If I took the same car through as a gasser without a cat it would be an automatic fail with no repair cost limit due to "tampering" with the emissions system. Go figure.
Wait.. so I don't need to weld the old body of a cat around my exhaust to get through air care? Do I need anything there at all?
No Matt, you do not. You just need to pass. But because your car is a Rado are the air care idiots smart enough to test you for the engine you're running not the engine that car came with?
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Sorry, the people who work there aren't idiots - the program is self is idiotic.
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I'm in that process of sourcing out a good shop in Vancouver that can build me all the necessary parts. However after this morning, when i picked up my s.o from work, i backed into a parking spot and hit the stock exhaust, which shifted things. The shifting of things resulted in the piping moving close enough to rattle the exhaust/shifter channel and making it rattle intensely !
i got a quote from Custom Metal Craft, http://www.custommetalcraft.ca/Custom_Metalcraft/Gallery/Gallery.html (http://www.custommetalcraft.ca/Custom_Metalcraft/Gallery/Gallery.html)
However, because this is the preliminary quote for a 2.5 full exhaust including a custom fab'd 2.5 downpipe with necessary flanges for a cat and a muffler, I want to explore other options till I'm fully ready to put that onto my car. that quote doesn't include a muffler, or resonator though.
1025.00 should cover it, that would be aluminized tubing add 350 for stainless
Normal price would be 1225.00
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Annoyingly enough during my AirCare inspection I found out they don't check for cats on mechanical diesels, even if they came with them. If I took the same car through as a gasser without a cat it would be an automatic fail with no repair cost limit due to "tampering" with the emissions system. Go figure.
Wait.. so I don't need to weld the old body of a cat around my exhaust to get through air care? Do I need anything there at all?
On my last inspection they never opened the hood, nor did they ever pick up the mirror to check for the cat. "Catalytic Converter Presence" is marked with "N/A" on the form. Definitely don't need a cat on a mechanical diesel with AirCare, even if it came with one.
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I'm in that process of sourcing out a good shop in Vancouver that can build me all the necessary parts. However after this morning, when i picked up my s.o from work, i backed into a parking spot and hit the stock exhaust, which shifted things. The shifting of things resulted in the piping moving close enough to rattle the exhaust/shifter channel and making it rattle intensely !
i got a quote from Custom Metal Craft, http://www.custommetalcraft.ca/Custom_Metalcraft/Gallery/Gallery.html (http://www.custommetalcraft.ca/Custom_Metalcraft/Gallery/Gallery.html)
However, because this is the preliminary quote for a 2.5 full exhaust including a custom fab'd 2.5 downpipe with necessary flanges for a cat and a muffler, I want to explore other options till I'm fully ready to put that onto my car. that quote doesn't include a muffler, or resonator though.
1025.00 should cover it, that would be aluminized tubing add 350 for stainless
Normal price would be 1225.00
Would be very interested in hearing the price for a downpipe only from them, if you have them fabricating the rest of the system anyhow. Might help reduce your unit cost a little if they were making more than one?
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I can't see why not?
I think the only reason the cost of this particular system is mega bucks is probably due to the lack of demand from the diesel crowd.
They are friends of friends of mine and their work is mainly from the gasser crowd. BUT it doesn't hurt to ask. I've just been busy with work, and well...summer to really focus on the car just yet.
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mufflers take away boost. that right there makes it worth it to me to have a str8 pipe, plus, im running a VNT, it seems alot quieter than any conventional turbo ive heard.
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The VNT's are definately much quieter.
Vangruver, if you don't want to drop over a thousand dollars on some exhaust pipe to give you an idea...
i bought all my exhaust piping (just pipe, bends and a 2.5 inch flex) for about $150 at Lordco and i welded it with my friends old MIG welder. Took about an afternoon & evening to get it just right.
add 3 universal hangers and the cost of wire to the total and you're done.
I'm sure a guy on the forum with a welder somewhere near us would do it for much less than a shop has to charge to cover shop costs. I recognize that you're already getting a "deal" but just to be taking up space in a shop is big money. Depending on how soon you want to do that im hoping to find a welder this summer and i'd be more than happy for the practice =)
Certainly wouldn't look as pretty as a shop's job but it's for about 1/8th the cost and hey, it's exhaust.
here is a post from my thread about my exhaust
To recap...
(http://i49.photobucket.com/albums/f279/edmcclung/th_SSPX7967.jpg) (http://s49.photobucket.com/albums/f279/edmcclung/?action=view¤t=SSPX7967.jpg)(http://i49.photobucket.com/albums/f279/edmcclung/th_SSPX7947.jpg) (http://s49.photobucket.com/albums/f279/edmcclung/?action=view¤t=SSPX7947.jpg)(http://i49.photobucket.com/albums/f279/edmcclung/th_SSPX7949.jpg) (http://s49.photobucket.com/albums/f279/edmcclung/?action=view¤t=SSPX7949.jpg)
(http://i49.photobucket.com/albums/f279/edmcclung/th_SSPX7994.jpg) (http://s49.photobucket.com/albums/f279/edmcclung/?action=view¤t=SSPX7994.jpg)(http://i49.photobucket.com/albums/f279/edmcclung/th_SSPX7993.jpg) (http://s49.photobucket.com/albums/f279/edmcclung/?action=view¤t=SSPX7993.jpg)(http://i49.photobucket.com/albums/f279/edmcclung/th_SSPX7992.jpg) (http://s49.photobucket.com/albums/f279/edmcclung/?action=view¤t=SSPX7992.jpg)
All i have is my crappy phone so ... sorry.
Here is a bit on how my paint job is going.
The hood did not mist very well so i need to wet sand it down, add mineral spirits to the paint and try again. The gun im using also does not like to spray when it is not straight up and down. My keyboard is stuck in french which is being very annoying so this will end here.
(http://i49.photobucket.com/albums/f279/edmcclung/th_SSPX7991.jpg) (http://s49.photobucket.com/albums/f279/edmcclung/?action=view¤t=SSPX7991.jpg)
(http://i49.photobucket.com/albums/f279/edmcclung/th_SSPX7995.jpg) (http://s49.photobucket.com/albums/f279/edmcclung/?action=view¤t=SSPX7995.jpg)
Fuel flap still needs to be wet sanded but it looks mighty fine for a first coat.
Itès raining now so painting will have to wait till next weekend.
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That's actually a great idea.
for now, i am just trying to get the most economy out of this car till I pursue the route of extreme diesel performance. *been spending FAR too much time on vortex looking at HOOKED up mk2's*
I'm lusting over my car, so it's all about the small things to get it running mint.
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There are actually a ton of users from the lower mainland and tri-city area but they've gone pretty dormant lately. There was a guy in squamish who was willing to drive to abbotsford and bring his welder to work on my car with me for a weekend...
I had my 1.6td apart so many times i can help you out if ever need be :) im a short highway #1 drive away.
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"Quote from: arsenicpants on July 08, 2010, 01:22:01 PM
does anyone have an exhaust that dumps right after the downpipe?
ie: no exhaust past the engine bay?
does piping it all the way back make a difference in the sound?
or in power?
Im pretty sure no one really wants to have there exhaust dump right after the engine bay, in turn being right under you. First of all all the soot from your exhaust would cover the bottom of your car in no time and second it is the loudest thing you'll ever hear in your entire life. When I was changing the exhaust a while back on my car to a 2.25" straight pipe I took it for a ride around the block. Needless to say I couldn't even hear the guy sitting next to me when he was pretty much yelling. Not very convienient.
As for the rest of the exhaust the only way it will add power is if your current exhaust is to small and restrictive and you replace it with a larger, better flowing system"
Ha, I have had nothing but a downpipe for 2-3 years and it doesn't bother me at all. I drove from IN to NJ and it is quiet while cruising (1.9 w/T3) I have no trouble talking to anyone on the phone or in the passenger seat with a completely stripped interior. I get some exhaust smell sometimes but no headaches???? I must be broken already to not notice much anymore. Mufflers suck and these things are quiet! You guys saying it is droning with a muffler and a full exhaust are crazy!
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Ben, have you increased fueling or boost at all or are you running it totally stock but with just the factory down pipe?
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Ben, have you increased fueling or boost at all or are you running it totally stock but with just the factory down pipe?
who's Ben?
am I Ben?
Yes, I am, unless that was directed at another Ben
I'm running a TT downpipe with a k14 at 18 lbs of boost and increased fueling
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"Quote from: arsenicpants on July 08, 2010, 01:22:01 PM
does anyone have an exhaust that dumps right after the downpipe?
ie: no exhaust past the engine bay?
does piping it all the way back make a difference in the sound?
or in power?
Im pretty sure no one really wants to have there exhaust dump right after the engine bay, in turn being right under you. First of all all the soot from your exhaust would cover the bottom of your car in no time and second it is the loudest thing you'll ever hear in your entire life. When I was changing the exhaust a while back on my car to a 2.25" straight pipe I took it for a ride around the block. Needless to say I couldn't even hear the guy sitting next to me when he was pretty much yelling. Not very convienient.
As for the rest of the exhaust the only way it will add power is if your current exhaust is to small and restrictive and you replace it with a larger, better flowing system"
Ha, I have had nothing but a downpipe for 2-3 years and it doesn't bother me at all. I drove from IN to NJ and it is quiet while cruising (1.9 w/T3) I have no trouble talking to anyone on the phone or in the passenger seat with a completely stripped interior. I get some exhaust smell sometimes but no headaches???? I must be broken already to not notice much anymore. Mufflers suck and these things are quiet! You guys saying it is droning with a muffler and a full exhaust are crazy!
Ben Spencer
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I got the nasty pump and too much boost (p.s.) don't put a muffler on your car Eddy because you'll regret it
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Hey Smokey Eddy, do you have the part# for that 2.5" flex you got from lordco? That's exactly what I've been looking for.
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Hey Smoky Eddy, do you have the part# for that 2.5" flex you got from lordco? That's exactly what I've been looking for.
I'll look this evening.
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Great exhausts but some of the prices seem a bit steep :-\
Check around for some local exhaust shops (not talking midas, places that do custom work for modded cars or trucks) I had a full 3" downpipe and exhaust with a long flex and side exit turn down, all mandrel bent alumized piping for 300 installed. A salty winter later and it still looks mint
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Great exhausts but some of the prices seem a bit steep :-\
Check around for some local exhaust shops (not talking midas, places that do custom work for modded cars or trucks) I had a full 3" downpipe and exhaust with a long flex and side exit turn down, all mandrel bent alumized piping for 300 installed. A salty winter later and it still looks mint
you got a steal bro.
Lordco can sell performance parts at cost + about 30% or so. I looked on the flex but the sticker has worn down. Just go in a talk to a sales guy there. They have a catalogue of flexes to look at. A variety of difference meshed lengths and what have you.
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That flexpipe in your pic is exactly what I'm looking for Smokey Eddy. If you happen to find the receipt for it let me know. We don't have Lordco in Alberta and napa has been useless. I can order from lordco thru a local shop but I pretty much need a part number.
By the way, I'm running a 2.5" flow-pro muffler which turned out to be very quiet. I just ordered some mandrel bends and will be attempting to fab up my own downpipe. My current downpipe was made from the aaz stock downpipe.
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Okay well I'll see what i can do. You can just call someone at Lordco and they can look it up for you... do you want the number of a lordco here in my town? :P
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Bump
I just got a 2.25" DP back, no cat res or muffler. Running the stock k03 on my 1.9td in a 96 jetta.
Someone told me i was retarded and my turbo ( which is brand new ) will now die in a matter of weeks because i have no back pressure and it will have to much wheel speed. Has anyone ran into this problem or am i safe?
Also noise inside is amazing, quiet yet powerful.
Girlfriend said my car sounds like its going to die and you can hear my turbo from a few blocks away ;D
also, being as this is my first post on this site sorry if this ends up in a PM or something...
Odin
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HA that is funny.
You're friend has no idea what they are talking about. You have nothing to worry about. It's boost leak that will over spool the turbo. just think about it for two seconds and it will make sense.
dumb people calling OTHER people dumb annoys me.
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bringing this thread up reminds me - i have to pass a VI this week and i had it inspected. They said for safety reasons, unknown to my self, i needed a "cat/muffler". So im going to add a cherry bomb and if they don't like it i'll ask them to explain to me how its safety related.
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I love that most of this "muffler" thread is about people not running a muffler. ;) Espousing the old "a turbo is a muffler" adage are we?
Anyway I actually do run a muffler. Set up as listed in my sig is K14 into a Techtonis made 2.5" SS downpipe and exhaust. My muffler is a Borla so when I say full stainless steel, I mean full stainless steel. ;D
It sounds great, throaty, but not too loud. Most of the noise I hear is the diesel clack and the intake.
For the month I had the intake in the raintray it was so mind-numbingly loud it sounded like a city bus inside of the car under any boost. I think the intake setup has just as much, if not more to do with how these engines sound, especially inside the passenger compartment.
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Correct Jack !
I went and found a 1.6 TD airbox assy
The bad was I had to make a mold for the two different Turbo inlet sizes
87.50 for a new 1.6TD snorkel is fair
Now if we could get someone to make a Carbon fiber airbox based on the original design
I dont care for any intake noise on the freeway, I do like the whistle spin of the Turbo thou...
GB
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the intake growl is the best part.. no gasser growls like a diesel does while under boost..
i can deal with intake noise. my intake is wide open and free flowing. just like my exhaust, or lack there of.
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The exhaust sounds awesome on these engines, intake too, particularly with a turbo whistling under the hood
The noise that bugs me is the clattering though! Particularly due to my short tranny (3000rpm at 110km/h), that drives me nuts
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Well not only did a few people on TDI club say it will kill my turbo, the exhaust shop tried to convince me to keep my cat on for BP or my turbo will die.
And i have a boost gage waiting to get installed i just need some clamps for the hose before i start and have had no luck finding them.
The only reason i worried, this being my first turbocharged car, was i can now hear the turbo spool at idle. Sounded like that could be overspooling.
With the EG now moving faster out of the exhaust, it could spin the turbine just a bit faster at idle, and take longer to spool down. But i also thought that the intake side would provide quite a bit of resistance to wheel speed since it will need to compress air.... its all very up in the air to me, i can see both sides of the argument.
Also for anyone in the edmonton area, i got my pipe dont at sherwood exhaust. Its drop in only so just show up and he will fit you in. Took about 30 minutes for him to do it, 210 dollars. 2 1/4 inch.
And eddy, if your looking for mk2 diesel parts a brand new mk2 just came into the pick and pull here in chilliwack 2 days ago, if you hurry you might be able to find some useful stuff for your build if it still needs some spare parts.
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dude, i have a VNT17 on my car. it came off a car with a cat, resonator, and muffler, along with alot of other things. it has literally less than 1 foot of exhaust coming off it. its been like this for years now. and my turbo works as good now as the day i put it on.
i want factual evidence as to why it will grenade your turbo. and whoever told you that you need the cat for back pressure is smoking crack. the turbo makes all the back pressure you could ever need.
i ran my VNT clear up to almost 40 psi, way out of the efficiency range, and way more than a unmodified TDI could push it, and it still does great. if its so bad to cut the muff/cat/res off, then why are all the full size chevys/fords/dodges that have it done not going thru turbos like wildfire?
whoever told you that open exhaust after the turbo is a bad idea, is also on something..
anyone on here will tell you otherwise, because most of us are running straight pipes..
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The argument made for trucks is the larger turbos take longer to spool up so small idle/daily driving wont send them to max boost right away.
And that a stock k03 which now is very vocal at 1200 rpm will overheat and die.
But its been fine like this for a few thousand kilometers.
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Well my advice to you is you could listen to those guys trying to run a business (and the TDI folk who ... i dunno why they say that. possibly because their cars need emission crap or else they have to deal with the ECU business) OR take first hand experience from these guys who have had a straight exhaust on their TD's for tens of thousands of km.
and thanks for the heads up about the jetta! I'll hit it up tomorrow :D
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(http://i49.photobucket.com/albums/f279/edmcclung/DSC07221.jpg)
(http://i49.photobucket.com/albums/f279/edmcclung/DSC07222.jpg)
here it is
MOV07223 (http://www.youtube.com/watch?v=Xk6cK9RYsI4#)
i know the idle is too high.
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Jesus christ, nice set-up.
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Your reply has influenced me to make a running video :)
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you dont have a welder do you ed? exhaust clamps suck, but its not like you are running alot of back pressure to make the leaks present themselves..
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I heart that exhaust!
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No welder readily available no. I had a friend who had one and i used it a bunch but he has since found a girl and moved a town away from me. Stopped returning my calls ect. Im sad about not being able to use the welder but ten times more unhappy about losing the friend...
anyways, yes no leaks. Works well. Plus the studs hit the speed bumps before the exhaust tips do. I'd eventually like to weld it.
Curiously enough, when i had the inspection done, they said that the downpipe couldn't be welded to the flex pipe as one piece so i had to cut the flex off and clamp it on both sides...
Thanks Gnavs :)
I can't wait to fix this transmission problem and get a driving video! :D
im just worried the crappy digital camera wont do the exhaust sound justice.
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Can anyone spot my Beer Fest trophy in the pile of junk? :)
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Can anyone spot my Beer Fest trophy in the pile of junk? :)
that the potato gun sitting next to it?
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yeah it recently went to the dump though
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HOT DAMN. This is what I'm doing for exhaust on the 81 TDI ;)
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it's really easy to do.
I just removed it to lengthen it by about an inch. it came out of the flex pipe when it scraped along the ground going over a steep bump. What a nightmare :(
don't lower your vw ... its just annoying.
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don't lower your vw ... its just annoying.
Don't listen to him! Lower every VW until you can't drive it anywhere, then raise it 1/4" ;)
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don't lower your vw ... its just annoying.
That's Absurd.. do not plan on it ;)
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RadoTD's Corrado is pretty sick though ...
I massacred my car on the pavement today going into a parking lot ...
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RadoTD's Corrado is pretty sick though ...
I massacred my car on the pavement today going into a parking lot ...
Is it just your exhaust hitting? Your exhaust set up is awesome, it's just too bad that it hangs too far down there. Is there any way to pull it up further? I never took a good look at that
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it could come up about half an inch yes. that would greatly help. The real problem is that the tips come before the rear tires... so it literally is the lowest point by a long shot.
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the only way for the exhaust to be under the car and not be the lowest part is if its in the tunnel, and there are no tunnel locations for the dual setup Ed has, so it just hangs under the body. a long way under the body. its some big pipe.
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Muffler? What's that ;D
Honestly with the TD's a straight pipe is very quiet compared to a regular gasser with 2 resonators and a muffler. This I know from experience plus the turbo whistle is well worth going straight pipe 8)
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diesel vw w/ wastegated turbo = super loud when the wastegate opens! i imagine owens supercharged diesel would have been ridiculously loud with an open downpipe too..
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It was...
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n/a's wouldnt even sound bad if they had the power to pull there rpm range in less than a minute. lol. but they just kinda sound gutless..
i gotta figure out how to safely drive an m90-eaton.
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the turbo response has gone down with the muffler but it is easily worth the lack of racket. the noise was driving me nuts
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This is in my thread and since it deals with a lack of muffler I thought I would post here too
(http://c4.ac-images.myspacecdn.com/images02/143/l_0a29f46808f74e3882d9a0906f03f3c3.jpg)
(http://c4.ac-images.myspacecdn.com/images02/86/l_a8e7232fbff2414592ed3685d4f5d9a7.jpg)
(http://c3.ac-images.myspacecdn.com/images02/142/l_87a425704ab54788b88d2df2a165dd72.jpg)
.190 wall steel aluminized tubing, 3", no muffler from the turbo back, custom bent and installed, 6 week wait to get in, $108.10 USD total...quiet sounds of turbo=priceless ;)
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1.9 AAZ T2 turbo straight pip3 2 1/4 inch, IS QUIETER than the factory 2 muffler crap I took off.
sounds nice, and quiet on highway.
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Sorry I keep resurfacing old threads but I have been lurking heavy now that I have the Eco running and officially my daily driver, (I will be updating my original thread here pretty soon with some pictures of my improvement) I have been heavy lurking and keep having questions pop up with all these awesome archives Im going through.
So here is the question this thread has sparked...
I havent been under the car yet (man I wish I had a lift, fat guys under cars is never good) but I plan on it because there is an annoying buzzing sound coming from under the car and it sounds exhaust related, but have seen the youtube vids with k14 straight back exhaust, and am definitely in love with the turbo sound coming out the back. So am heavily considering just swapping it.
So if I have access to a mandrel and someone who knows how to use it (builds roll cages with it), the TT down pipe, the right length of matching aluminized steel tubing, and the flex pipe, can the entire system be bolted? If it can be, are there any cons to having it all clamped? I plan on using the stock tunnel. With the DP being on the pricey side, I am trying to keep the cost and install of the rest of the system down as much as possible. I dont know a lick about welding and know it isnt cheap.
Thanks!
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I had my downpipe on. Drove the car in the night before the next night I handed the guy 108.10 and drove away with 3" all the way back. If you are buying everything and doing it yourself it should be cheaper. To me it wasn't worth it to try to do it myself as I don't have a lift either.
Thinking about it, 1/2 of the cost of mine would probably be pipe. Having him do it saved more than 100.00 of my frustration, so if you can find a local shop that isn't too pricey I would go that route.
to answer your questions: Sounds like the heat sheild maybe buzzing on the pipe. It is easily bent out of the way by hand. The deal could all be bolted with flanges and that would be sweet. You could weld the joints. I had mine clamped, because if I need it to come apart I can get it apart and back together without welding so much.
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I just got this 2.5 inch straight through muffler on mine and a 2.5" exhaust pipe back from the turbo downpipe and it's WAY TOO LOUD... mk2, TD... it's really not bad until I go up hill or put my foot into in and when the wastegate opens (I think), it gets really loud, really fast. It's a loud buzz. After the long hill my ears ring. The muffler also terminates too close to the bumper which draws exhaust fumes in. :-X But it is noticeably faster and more fun to drive than stock...
I really need to figure out what to do. I'm thinking of using a Magnaflow muffler, somebody mentioned they make one for diesels, a straight-through muffler like I have now, just longer and larger with a longer tip on it and maybe even adding a resonator as well... Any ideas?
(https://lh5.googleusercontent.com/_yiCa6t_wTjA/TchgZDjwKZI/AAAAAAAAANk/f0W0WV5ZaBo/s800/vw_golf_muffler_2_1200.jpg)
(https://lh6.googleusercontent.com/_yiCa6t_wTjA/TchgZSLQwtI/AAAAAAAAANo/jIfEwnmyO_Y/s800/vw_golf_muffler_1_1200.jpg)
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best piece of advise i can give you, is get rid of the fart can.. they are basically only good for honda, acura, and nissan gassers. lol..
beware of the magnaflow mufflers, ive dealt with lots of cracked and burnt out magna-flows..
flowmaster and magnaflow both make diesel mufflers, but they are more intended for diesel pickups, not diesel cars..
ever seen a Moroso spiral flow muffler? they look like they would work AWESOME on our small diesels..
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best piece of advise i can give you, is get rid of the fart can.. they are basically only good for honda, acura, and nissan gassers. lol..
I think it suits his particular car well k3vo. Its just a straight through muffler, probably sounds awesome. LoL.
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so i was planning on making my own exhaust system
just wanted to know what kind of metal most people use when making a 2.5in downpipe and to the back?
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best piece of advise i can give you, is get rid of the fart can.. they are basically only good for honda, acura, and nissan gassers. lol..
I think it suits his particular car well k3vo. Its just a straight through muffler, probably sounds awesome. LoL.
My significant other got it for me, as a birthday surprise, took it to the cholo exhaust/tire shop, had the whole exhaust system done for me, this is what they put on there and I didn't know until I started the car.. ::)
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They tried. That's what counts. I would love to hear a video of how it sounds though, for isht and giggles. ;D
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ever seen a Moroso spiral flow muffler? they look like they would work AWESOME on our small diesels..
Randomly, I just used 2 of them, and a Dodge pickup 3" tailpipe...I used OE hangars, and junk I had laying around, probably in it $30 and some frustration
(http://i18.photobucket.com/albums/b126/SVOlvo/D24T/DVC01205.jpg)
(http://i18.photobucket.com/albums/b126/SVOlvo/D24T/DVC01207.jpg)
(http://i18.photobucket.com/albums/b126/SVOlvo/D24T/DVC01206.jpg)
I tried open DP, and the fumes from the tailpipe made my eyes bleed.
Went 3" with one Moroso behind the axle, and it was still pretty loud.
Hacked in the second one just before the axle,and it is quite nice, tolerable loud... except on the freeway high throttle around 2500 drones painfully. I wonder if a muffled tip might help, but I like my slash cut. Fumes are ejected nicely out of the slipstream.
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Still, just a massive 24 inch (at least) glasspack for $60 (yes expensive) made my 2.5 straight pipe still straight but way way quieter. The rubbing exhaust on the car body is way louder.
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ever seen a Moroso spiral flow muffler? they look like they would work AWESOME on our small diesels..
Randomly, I just used 2 of them, and a Dodge pickup 3" tailpipe...I used OE hangars, and junk I had laying around, probably in it $30 and some frustration
(http://i18.photobucket.com/albums/b126/SVOlvo/D24T/DVC01205.jpg)
(http://i18.photobucket.com/albums/b126/SVOlvo/D24T/DVC01207.jpg)
(http://i18.photobucket.com/albums/b126/SVOlvo/D24T/DVC01206.jpg)
I tried open DP, and the fumes from the tailpipe made my eyes bleed.
Went 3" with one Moroso behind the axle, and it was still pretty loud.
Hacked in the second one just before the axle,and it is quite nice, tolerable loud... except on the freeway high throttle around 2500 drones painfully. I wonder if a muffled tip might help, but I like my slash cut. Fumes are ejected nicely out of the slipstream.
i saw these pics the other day, i was wondering what you used. kinda looked like moroso's.. there the same muffler we run on our sand rail.. sound nice on there, bet they sound nice on your Volvo also!
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So by what i have read on this subject it seems that straight exhaust isn't too bad. I am going to remove the muffler and resonator and run the factory size exhaust. Mainly it is going to save me some money and I thought perhaps gain a little on MPG. I just want to make sure that it's not going to be crazy loud at highway speeds. (70mph or so). I'm getting it done on friday, if i hate it I can take it back and get a muffler installed. Thanks.
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So by what i have read on this subject it seems that straight exhaust isn't too bad. I am going to remove the muffler and resonator and run the factory size exhaust. Mainly it is going to save me some money and I thought perhaps gain a little on MPG. I just want to make sure that it's not going to be crazy loud at highway speeds. (70mph or so). I'm getting it done on friday, if i hate it I can take it back and get a muffler installed. Thanks.
not gonna get any more mpg unless you open up the exhaust system a bit. that restricted 1.5" exhaust pipe is just too tiny to be any good..
its going to drone at 70mph with no muffler at all..
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So my exhaust is 2" already. I am back and forth on going straight pipe. I am going in for exhaust later this morning. The pipe is pretty bad at the back of the resonator so i would be starting fresh ahead of that. Not sure which turbo I have, my engine is an AAZ out of a 1994 a3 Jetta, so if my turbo makes a difference on sound maybe I have one that will be quieter.....hopefully.
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VNTs are the quiet turbos..
conventional turbos are a bit louder..
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well the exhaust is on and it is really no louder than when it had a resonator and muffler. even at 80mph. also under full acceleration not loud. I installed 2" all the way. Very happy with it! By the way, it really sounds cool when you fire it up and you hear the turbo spool and whine at idle.
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well the exhaust is on and it is really no louder than when it had a resonator and muffler. even at 80mph. also under full acceleration not loud. I installed 2" all the way. Very happy with it! By the way, it really sounds cool when you fire it up and you hear the turbo spool and whine at idle.
mine whistles at idle, and really starts screaming around 2500 rpms..
i wish i had a waste gate tho.. i love wastegate rap..
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huh, i put a straight pipe on my 94 AAZ jetta. IT has a T2 turbo, and no idle whistle or cool whooshing sound under acceleration
now my cousin has a 97 AAZ with the same exhaust, but he has the smaller turbo, the tiny one. K03 I believe.
IT has a cool whistle and whine
WHen my waste gate opens its a cool sound though, reminds me of a four barrell
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I notice a lot more turbo whistle / woosh from my intake than my exhaust. You CAN year it through the exhaust, but the bulk of the turbo sound with Jezzie is from under the hood. Significant difference between the stock airbox and a cone filter.
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I notice a lot more turbo whistle / woosh from my intake than my exhaust. You CAN year it through the exhaust, but the bulk of the turbo sound with Jezzie is from under the hood. Significant difference between the stock airbox and a cone filter.
lol, well, with my car, being that the intake enters under the hood, and the exhaust comes out at the firewall..