Thread: BMW M3 vs 335i
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      06-24-2009, 12:46 PM   #66
Brianrg
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Drives: E90 M3
Join Date: Apr 2009
Location: Calgary

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Quote:
Originally Posted by M3 Montreal View Post
ESS has a supercharger that will be coming out on the market in the next few months that is around 11.5 k and about 12 hours of labor. Dyno has it at 560 WHP with the charger and tune. Freeing up the exhaust would add some more to that.
Sign me up.
Those are huge gains.
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