i had a left side exit on my jetta,,only thing i got a little nervous about was ,,how hot is that left rear tire getting on my 8 hour trip to ny?? idunno i never blew it out,but the sidewall,and wheelwould get pretty hot to the touch,,,never checked w/ temp gun either,,,,,,,,but the tire/wheel was black all the time,,gettin a continuous diesel soot paint job

,,also i left it at the rear beam on my latest creation,,and eliminated a bend,,,,,,,,,,,,,,,,,i havent really even noticed the stink,in either car,siting at light etc,,,,,,,,,,,one thing that did smell horrible was on my tdi,i got crankcase vented to atmosphere,and with the rain tray cut out,,,,sitting at a light w/ the heater on,,i smelled the breather fumes,,nasty stuff,,,since then,,hose reroutes it to bottom of left rear of wheelwell