aFe Large Bore-HD 3-1/2in 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip (49-44064-P) 1771 so that it is optimized

so that it is optimized in a Patent Pending reverse mounted configuration

We put in the time to test and prove that we have developed a superior kit for your BMW E46 M3

Full size ports at each end for optimal injector supply and minimal hydraulic fluctuation

Designed and made in-house at Fabspeed

Magnum Flow Pro Dry S Panel Gray Air Filter (31-10011) by aFe

aFe Large Bore-HD 3-1/2in 409 Stainless Steel DPF-Back Exhaust System w/Polished Tip (49-44064-P) 1771 so that it is optimizedLarge Bore HD 409 SS DPF Back Exhaust System with Single Side Exit (49 44064 P) by aFe. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3. 5". Exhaust System Sound: Moderate. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Large Bore HD DPF Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them from