aFe MACHForce XP Exhausts Cat-Back SS 16-17 BMW 340i/iX 440i/iX (F3X) L6-3.0L (B58) w/Black Tips 1972-mercury-monterey-custom-esi5670029 Cast A356-T6 Aluminum Const

Cast A356-T6 Aluminum Const

P/N 11741 Left hand AN-8 shut off valve

System features Borla(r) 's Polyphonic Exhaust Harmonizer which utilizes patented units that contain pipes of different diameters and lengths to create multiple exhaust notes that harmonize to deliver a clean

T2S-S01 Mod-Twin 225 XT Rigid Street Kit blends easy pedal feel

The PDU-8 can easily be controlled by other CAN based controllers that support custom CAN settings

aFe MACHForce XP Exhausts Cat-Back SS 16-17 BMW 340i/iX 440i/iX (F3X) L6-3.0L (B58) w/Black Tips 1972-mercury-monterey-custom-esi5670029 Cast A356-T6 Aluminum ConstAggressive 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 black finish and a stamped aFe power logo. Exhaust Valve: This catback exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control