aFe MACH Force-Xp 2-1/2in Stainless Steel Axle Back Exhaust w/CF 15-19 BMW M3/M4 (F80/82/83) 1990-gmc-k2500-sierra-sle-esi3649727 The main bumper structure comes

The main bumper structure comes in hammer black powder coat with satin black panels

Both pieces are made in the USA and feature laser cut

Delivering a significant increase in exhaust flow CFM from the factory system which

and valve shims are available through aFeControl

aFe MACH Force-Xp 2-1/2in Stainless Steel Axle Back Exhaust w/CF 15-19 BMW M3/M4 (F80/82/83) 1990-gmc-k2500-sierra-sle-esi3649727 The main bumper structure comesAggressive Sound: A free flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high temp powder coated metallic black finish. Exhaust Valve: This Axle back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of