Rinehart Racing 4.5" HP45 Slip-On Mufflers for HD — 4.5", left/right mount, chromed

Bring race-inspired performance and the iconic Rinehart rumble to your Harley touring bike. These 4.5" HP45 slip-on mufflers deliver a refined, powerful sound while maintaining rideability and throttle response.

The HP45 and HP45XL pair fresh styling with precision engineering to unlock horsepower and torque without compromising a smooth exhaust flow. Designed to work with stock head pipes and featuring the DBX Performance baffle, the system enhances engine tone while providing the right amount of back pressure for performance gains.

• Direct slip-on fit for many HD touring applications
• DBX Performance baffle for improved sound and flow
• Built to complement ST Touring and HD Touring bikes

All Rinehart slip-ons do not have holes for the O2 sensors. These mufflers are made in the USA and backed by a Forever Warranty for long-term confidence on the road.