Guest mk47 Posted August 17, 2006 Share Posted August 17, 2006 if an exhaust has 3 inch pipe work and you then replace with 2.5 inch pipes, would that affect the performance in any way? Quote Link to comment Share on other sites More sharing options...
sleeky Posted August 17, 2006 Share Posted August 17, 2006 i doubt it much dude....all depends on the mods you have. You'll probabaly find a 2.5" system will be plenty big enough and anything over that wont give you any performance gains. If your running BPU++ then i'd say your into 3" and over pipework then. Quote Link to comment Share on other sites More sharing options...
Thorin Posted August 17, 2006 Share Posted August 17, 2006 I doubt you would notice any difference on stock turbos. Quote Link to comment Share on other sites More sharing options...
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