aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System w/Black Tip (49-44041-B) 4010 Guaranteed fit for BMW E9X

Guaranteed fit for BMW E9X 328i with N52 engine

Includes Quad 4" Diameter

Please note that minor modifications may be required during installation

thanks to AWE 180 Technology

Hawk Performance High Performance Street 5

aFe Large Bore-HD 5 IN 409 Stainless Steel DPF-Back Exhaust System w/Black Tip (49-44041-B) 4010 Guaranteed fit for BMW E9XLarge Bore HD 409 SS DPF Back Exhaust System with Single Side Exit (49 44041 B) by aFe. Exhaust System Type: DPF Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 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 mandrel