4-1/2" HP-Plus® Slip-On Mufflers with Klassic Tip - Eclipse® - M8

These mufflers have been dyno-tested and show a 12% increase in torque and 7% increase in power Produce the Khrome Werks signature authoritative tone without annoying high-frequency noises Engineered for performance, style, and sound 4-1/2" 16-gauge muffler body 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 Optional performance inserts boost low-end performance and enhance sound Eclipse style features a proprietary, high-temperature black chrome electroplated finish Bolt-in optional inserts available that comply with SAE J2825 sound test with no appreciable loss of performance Sold in pairs Made in the U.S.A.