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Old 01-22-2013, 04:20 AM
///MyLittlePony's Avatar
///MyLittlePony ///MyLittlePony is offline
Outside looking in
Location: Mulletville
Join Date: May 2008
Posts: 6,325
Mein Auto: 2015 Mustang GT
The sprint booster is good for heel-toe gearshifts under braking on the street. It makes the throttle too twitchy on the track. The car feels more powerful because of the immediacy of the throttle response. I believe most tunes on NA engines do this to make your engine feel more potent, as the power gains, especially on a BMW, are relatively minor. Turbo's engines are a different story in terms of power gains.

You don't need both.
My Little Pony
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