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Old 11-25-2012, 10:32 AM   #8
Registered User
Join Date: Aug 2010
Location: Orange County, CA
Posts: 4,394
My Ride: 05 330ci
i had sprint booster and it was horrible on a manual. the throttle is so sensitive in race mode that going back to stock is just so much easier and less of a headache. and for 300 bucks you might as well drop 50 more and get the shark injector that does the same thing but also adds some hp
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