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06-01-2013, 08:04 PM
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#552
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Major 
Drives: 2013 m3
Join Date: Jul 2008
Location: boston
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Quote:
Originally Posted by s2k11
Ive been reading quite a bit and this is the only one that ive read that has real gains. about 10hp. and the sound is amazing.
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interesting.. how much?
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