madmunky Posted November 15, 2007 Share Posted November 15, 2007 I need to get both my cats removed but i plan to get a 4" cat back exhaust, most decats you find seem to be 2.5", is there anywhere that doesnt 4" decat pipes and are they any better than 2.5" ones, whats my best option? Cheers Link to comment Share on other sites More sharing options...
uk-rich Posted November 15, 2007 Share Posted November 15, 2007 3" decat pipes Link to comment Share on other sites More sharing options...
Jamesy Posted November 16, 2007 Share Posted November 16, 2007 get 3" decats and fit an adaptor to your exhaust back box (if its 4") Link to comment Share on other sites More sharing options...
Gerry Posted November 16, 2007 Share Posted November 16, 2007 CW (Supra God) said recently that 2.5" is fine as 1) if you fit a restrictor ring it's less that 2.5" anyway, a 1-1.2 Bar one, and 2) most 3" are flattened through hitting the road to 2.5" anyway. G Link to comment Share on other sites More sharing options...
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