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 and valve shims are available

and valve shims are available through aFeControl

Both pieces are made in the USA and feature laser cut

the exhaust amplifies and enhances the Stir's distinctive rumbling gurgle with the rich bass of Borla(r)'s trademark sound of power

The 140851 Cat-Back system by BORLA is made to give you the best performance

ACL 84-98 Toyota 6 5MGE/7MGE Standard Size Main Bearing Set

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 and valve shims are availableAggressive 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