Thread: N54 downpipes
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      01-04-2013, 01:27 PM   #11
135Pats
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Drives: 135i
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Quote:
Originally Posted by m7ammed View Post
Well it isn't a shop its a government owned testing center so I guess I cannot go the catless route
Sure you can, you'd just need to swap out to the OE downpipes for testing...Granted that is neither cheap nor convinient, it would probably come down to labor costs in your country, and how often you have to pass emissions testing.
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