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Is this exhaust OEM?
by
92EcoDiesel Jetta
on 30 Jun, 2009 12:31
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Is this the catalytic converter? Is it OEM?
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#1
by
GEE-BEE
on 30 Jun, 2009 12:57
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it's the oem model....
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#2
by
Rabbit on Roids
on 30 Jun, 2009 13:01
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there are way too many catalysts and mufflers on that exhaust system. cut it off in front of the cat and call it good. should gain you a bunch of power.
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#3
by
92EcoDiesel Jetta
on 30 Jun, 2009 13:02
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I wonder if that cat converter is plugged up? Anyway to tell without pulling it apart?
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#4
by
Rabbit on Roids
on 30 Jun, 2009 13:53
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cut it off and shine a flash light through it. then weld a piece of pipe in place where it used to be. lol
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#5
by
ilikevwdiesel
on 01 Jul, 2009 05:46
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That cat is stock to Eco diesels sold in the US. Remove the whole thing and replace it with Bosal 783-309. You should be able to find that number online for cheap.
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#6
by
92EcoDiesel Jetta
on 01 Jul, 2009 10:08
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#7
by
ilikevwdiesel
on 01 Jul, 2009 13:46
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yep that's it.
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#8
by
92EcoDiesel Jetta
on 08 Oct, 2009 06:32
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I haven't done anything with the cat yet. Has anyone gutted the inside of cat in place and then sealing it up? Much less work then putting in a new down pipe, which requires new parts, special muffler clamp tool and welding- none of which I have. This should clear out any blockage/restriction in the cat. It'd be interesting to see how much performance increase afterwards.
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#9
by
rabbitman
on 09 Oct, 2009 00:02
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Yeah my Dad pulled the guts out of his eurovan cat like that, wacked a hole in the side. Welding it up didn't work so good though, he's not an arc or wirefeed kinda guy (does oxyacetalean) so it didn't seal up and there's some exhaust noise up front.
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#10
by
macka
on 10 Oct, 2009 08:06
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yea, I pulled one off of my old truck and poked an iron bar through the holes, then the guts pretty much fell out. then I put it back on. The best part is, it passed emmissions 3 times.
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#11
by
VelocityConservation
on 10 Oct, 2009 16:03
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We have always just driven a piece of pipe through the innards (sic) of the cat.
I have set of old motorcross handlebars that even let me work around some some corners.
The first "muffler" in the rest of your system is a resonator. It does not restrict the exhaust flow.
If your state inspection will allow it, I put 2.25" tube from the downpipe to a high-flow muffler in the stock muffler location. That dropped EGT's significantly.
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#12
by
Rabbit on Roids
on 11 Oct, 2009 09:28
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catastrophic converters are a waste of time. i dont own a vehicle with one. thats the first mod that every one of my rigs get. my toyota came alive when i de-catted it.
