In the Dinan tradition, the Free Flow Exhaust for the first BMW to have an "X" and "M" in its name is made of 100% 304 stainless steel, has a great sound and adds horsepower and torque.
FEATURES:
? 100% 304 stainless steel construction
? Sportier sound
? Four 3.5? Stainless Steel Laser Engraved Tips
? Bolt-on installation
? Maximum gain of +8 hp @ 6000 rpm, +7 ft-lbs @ 6000 rpm
? NO Drone