S4DAM Posted June 11, 2012 Share Posted June 11, 2012 Hey, just been reading through some of the comments on the forums about exhaust set ups.Getting confused some guys are saying a decat and 4-2-1/4-1 manifolds mean not enough back pressure?Dont know what this is but get the idea it means less power. True or False?Igot a stock setup but a 3" s/s backbox only bcoz the original was beyond repairable and i bagged this one for 20 bucks. Its loud but i think the standard box was better, strangely. Might just be the sound over-exaggerating the actual speed.Appreciate expertise on this matter Quote Link to comment Share on other sites More sharing options...
james Posted June 11, 2012 Share Posted June 11, 2012 id say the differance would not be noticable Quote Link to comment Share on other sites More sharing options...
noodels Posted June 11, 2012 Share Posted June 11, 2012 bet you shaved some weight though Quote Link to comment Share on other sites More sharing options...
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