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04-05-2010, 06:26 PM
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#52
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Drives: A Lot
Join Date: Sep 2006
Location: SF Bay, CA
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Quote:
Originally Posted by Mike@N54Tuning.com
Yes, stock catback, stock muffler attached, stock midpipes with stock midcats and resonators. 100% all stock. Interestingly with a Riss Racing catback fully catless the car made ~455rw at a slightly higher boost level. But like I said, the 135i factory catback gets a bad rep. I've seen some GIAC dynos in the 43xrw range with it as well.
Mike
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amazing!
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