Rush Slash Cut Up Slip-On Mufflers w/ 1.75" Baffles 15302-175 For performance, quality and sound there is nothing else like a Rush performance slip on muffler These mufflers have been engineered through thousands of hours of development Real world application and independent Dyno tested Guarantee you the best performance and sound on the market Rush mufflers feature baffles that are wrapped in a high tech material and designed to disperse heat and retain sound