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      12-11-2012, 08:33 AM   #22
aznboi319
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Drives: G-Powered E92 M3 6MT
Join Date: May 2011
Location: Atlanta

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I believe the only other bottleneck for power is the primary cats after a supercharger kit. I ordered a pair of ACM test pipes for my car to pair up with the supercharger. My car is completely stock otherwise. I am not really tracking the car so I don't plan on brake or suspension upgrades (unless I can steal them).