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      01-16-2013, 05:39 PM   #3
fongboy
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Drives: AW 2010 335d non-sport, JBD
Join Date: Nov 2011
Location: greenwich ct

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Quote:
Originally Posted by cssnms View Post
It will not throw codes so long as all of your cats and sensors are left in place. As for the improvement in sound, do not get your hopes up. The improvement is negligible. That said, installing a larger diameter mandrel bent center pipe (cat back) and a high flow muffler I expect you will pick up a couple more ponies.
Thanks for the tip. I know I wont't gain much sound, but it'll def be sufficient. So is the supersprint a direct bolt on? Does it have holes for the sensors? Also, which parts should I order from Supersprint? Thanks again
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