![4-1/2" HP-Plus® Slip-On Mufflers with Race Tip - Black - Twin Cam [1801-1829]](http://road-rage-bikeworks.myshopify.com/cdn/shop/files/426ADA72-521F-4CD0-BCDE-3138AB17591C.png?v=1775168192&width=1300)
4-1/2" HP-Plus® Slip-On Mufflers with Race Tip - Black - Twin Cam [1801-1829]
- 4-1/2" 16-gauge muffler body
- Produce the Khrome Werks signature authoritative tone without annoying high-frequency noises
- These mufflers have been dyno-tested and show a 12% increase in torque and 7% increase in power
- Engineered for performance, style, and sound
- Absorptive baffle wrapped with stainless steel mat and high-temp fiberglass
- Improved torque and horsepower from the hit of the throttle
- Billet aluminum tips can be rotated 360° at 90° increments
- Bolt-in optional inserts available that comply with SAE J2825 sound test with no appreciable loss of performance
- Optional performance inserts boost low-end performance and enhance sound
- Sold in pairs
- Made in the U.S.A.