ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System Quad Gold Tips BMW M3 E9x 2008-2013

The Only Brand With Valve-Controlled OBD2 Module For Quick and Effortless Installation. ARMYTRIX is pleased to present the ultimate exhaust upgrade for the BMW E90/E92 M3. Harvesting the 4.0L S65 V8 full potential through our meticulously engineered T304 stainless steel system; reinvigorating your experience with enhanced performance and sound. Free flowing capability creates a system that handles exhaust with brutal efficiency realizing increased HP and torque. The refinement and amplification of exhaust note offers unique ambiance. Achieving true independence and brand new auditory sensations like never before. Innovation distinguishes between a leader and a follower. ARMYTRIX is once again at the forefront of another revolutionary advancement. Throw out everything you think you knew about installing valve control. The current exhaust aftermarket is flooded with the '-school approach.' The traditional method requires hours of time consuming and complex wiring works. We have simplifi