GTHAUS Super GT Racing Exhaust Racing X pipe upgrade for GT unit Stainless for 2014-2015 BMW M3(BM3203007) 1543 AI4-XXG6 kit features a MaXX

AI4-XXG6 kit features a MaXX pressure plate for the serious enthusiast

The factory stamped steel tunnel brace leaves little to be desired

This BBK Cold Air Intake is 50 State Legal - CARB Approved for 2005 and 2006 Models ONLY

We can see a solid 9 ft/lbs of torque difference and a consistent 6 whp gain from 5400rpm until redline with the GrimmSpeed filters

Replaces OE C7 fender inserts

GTHAUS Super GT Racing Exhaust Racing X pipe upgrade for GT unit Stainless for 2014-2015 BMW M3(BM3203007) 1543 AI4-XXG6 kit features a MaXXMeisterschaft Premium exhaust systems utilize traditional and modern styling to create the world's most advanced exhaust system. From the high polish exterior finish to the marvelous hand welds, Meisterschaft exhaust systems look as beautiful as they sound. Second to none. Meisterschaft, MUSA, and American Roar Racing exhaust systems provide the most unique exhaust notes that you'll find in the industry, period. Our exhaust systems are custom tailored