downpipe highflow cat straight pipe?
downpipe highflow cat straight pipe?
ok i already have a cold air intake and hp header with 2.25 hp catback exhaust and muffler and wanna finish it off now was wondering which dowpipe/high flow cat would give a better gain hp kamikaze or random tech ? is the diameter of each different ? i know some are 2.25 and some 2.5 which one is better ? how about custom ? i wanna get rid of cat and put a high flow cat or straight pipe anyone have a straight pipe is the 7th gen loud with staright pipe no cat emissions doesnt matter?
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Honda Civic Forum
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dantheman42
Mechanical Problems/Vehicle Issues and Fix-it Forum
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Sep 4, 2015 01:10 PM
PierrePierre
6th Generation Civic 1996 - 2000
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Aug 12, 2015 02:42 PM
