Rinehart 3 1/2 Slip On Mufflers For Harley Softail The M8 is a great motor, but it sounds like a sewing machine with the stock exhaust system. Wake up your bike and get that classic rumble with a set of 3.5 slip-on mufflers from Rinehart! Crafted with precision and designed to fit seamlessly with the M8 Softail models, these slip-on mufflers from Rinehart are the ultimate upgrade for riders seeking both performance and that iconic Rinehart sound. Features: Performance catalyst baffles are specially engineered to deliver better performance and the classic Rinehart sound Includes end caps Designed specifically for the M8 Softail Sold as a pair Note: Engine tuning not generally required but is recommended for best performance