Originally Posted by
AaroNX My old 2.5 exhaust, though made by my local exhaust shop, was 2.5 even through there. Plenty of room so I don't see why they would bother making it smaller.
they didnt make it smaller for clearence. i have 3in all the way just fine.......
for whatever reason they neck it down at the flange on the axle back, but then it comes back out to 2.5, with was on a b14 but still...pretty stupid move, they might as well just made it all 2.25