Khrome Werks 4-1/2 HP-Plus Slip-On Mufflers Black with Klassic Tip

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. 4.5 16-gauge muffler body. Improved torque and horsepower from the hit of the throttle