simon_32 Pre-Facelift EK9 Joined Apr 17, 2011 Messages 543 Mar 11, 2012 #1 Is there any true 2.5" off the shelf b-pipes available? Major brands seems to have a step down to marry up to the CAT (spoon, mugen etc), has anyone comes accross a true 2.5" or are they custom made only?
Is there any true 2.5" off the shelf b-pipes available? Major brands seems to have a step down to marry up to the CAT (spoon, mugen etc), has anyone comes accross a true 2.5" or are they custom made only?
stevenEK9 trackattack Joined Mar 11, 2007 Messages 4,250 Mar 13, 2012 #3 it's not the cat that they bottle neck down at, it's the b-pipe to back box flange besides, most jap exhausts (j's racing / spoon etc) are 60mm systems which is not 2.5", true 2.5" is 63.5mm..... go custom
it's not the cat that they bottle neck down at, it's the b-pipe to back box flange besides, most jap exhausts (j's racing / spoon etc) are 60mm systems which is not 2.5", true 2.5" is 63.5mm..... go custom
simon_32 Pre-Facelift EK9 Joined Apr 17, 2011 Messages 543 Mar 14, 2012 #4 I've just found that out myself, the entire system is 56mm and like you said it reduces to meet the back-box
I've just found that out myself, the entire system is 56mm and like you said it reduces to meet the back-box
