D&D Bob Cat Black 2-Into-1 Exhaust 2018-2025 M8 Softail 636Z-31B police manual 1990-1992 Harley-Davidson FXRP - -

1990-1992 Harley-Davidson FXRP - -

Fits 2008-2023 Touring ( Except CVO w/ Inverted Forks )

Beneath the two inches of traditional dual-density foam

Replaced by 67064-87A

D&D Bob Cat Black 2-Into-1 Exhaust 2018-2025 M8 Softail 636Z-31B police manual 1990-1992 Harley-Davidson FXRP - -New Part # 636Z 31B D&D Bob Cat Black 2 Into 1 Exhaust 2018 2025 M8 Softail The D&D 636Z 31B Bob Cat Black 2 Into 1 Exhaust is built specifically for 2018 newer Milwaukee Eight Softail models. It delivers strong low end torque and a deep, aggressive sound. Most importantly, its designed to wake up your M8. The 636Z 31B Bob Cat features a stepped header design (1 3 4 to 1 7 8 to 2). As a result, exhaust flow improves and throttle response feels