01-20-2013, 07:18 PM
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Big Body Speed
Location: Mishawaka Indiana
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Join Date: Mar 2010
Posts: 324
Mein Auto: 01 525i, 09 328x coupe
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JB vs Sprint Booster
Ok so i have a 328xi coupe and i want my car to feel more sporty in the throttle or feel more powerful. Im in the works of adding the BMW Performance Exhaust but wanna know if i should add one or both of these products to get some more gain or just feel a little boost. help 
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