Quote:
Originally Posted by bryan213
You don't want any backpressure in an exhaust system.!!!!!!!!!!!! haha lie!!! u need back pressure unless ur wanting to buy a new motor dont even touch ur resnatior u have a 4 cylinder point less!
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This deserves one or more of those face palm pics...
That whole back pressure myth was only slightly true with old cars with primitive (badly adjusted?) fuel systems.