Quote:
Originally Posted by E90///M3`
Catless x-pipe will probably not pass smog... and it likely will throw a code unless you get a tune.
if you get a bolt-on rear section then no welding needs to be done.
i don't know anyone who spells it that way?
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okay so the rear section is good.. thanks for ur input.
Have you personally heard the Race and Sport from Gintani? is there a big difference?
so can you take out the X pipe just as easy as the rear exhaust?
o on the N54 forum people dont spell out the word for some reason. idk.
thanks