aFe MACH Force-Xp 3 IN 409 Stainless Steel Cat-Back Exhaust System (49-46005-1) 1556 BMW M3 1988-91 (18U-09-0900-4)

BMW M3 1988-91 (18U-09-0900-4)

producing components capable of withstanding demanding racing conditions while maintaining a premium appearance

With O2 Sensor Port

8 x low side drive outputs

For years you've been asking us for intakes

aFe MACH Force-Xp 3 IN 409 Stainless Steel Cat-Back Exhaust System (49-46005-1) 1556 BMW M3 1988-91 (18U-09-0900-4)Mach Force XP 409 SS Hi Tuck RB Cat Back Exhaust System with Single Rear Exit (49 46005 1) by aFe. Exhaust System Type: Cat Back. Exhaust Tubing Material: 409 SS. Main Tubing Diameter: 3". Exhaust System Sound: Moderate. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Cat Back Exhaust System. aFe dyno tests every system for maximum gains, and constructs them