Exhaust fumes

demetri e

New Member
Jun 22, 2013
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Got a 91 lx 5.0 longtube headers, catless hpipe and flowmaster dumps all came with car when I purchased it , every time I drive my clothes end up stinking like fumes , i know dumps can cause this which I will change but since it's basically a street driven weekend driver should I go with highflow cats as well or that won't make much of a difference?
 
Have some high flow cats welded in and get some tailpipes that go all the way back. Its a combo of both that is causing you to stink up the joint.
 
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I had the same thing on my car. I fixed the egr and pcv. These helped but did not fix the issue. I ended up trading my long tubes and off road H pipe for equal length shorties and high flow cats. That was one of the best choices I made for the car, no more exhust leaks, no more rattle or scrapping the ground, much easier to work on, and the car, myself , the garage, and the kids no longer stink of fumes. Sounds better too.
 
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