15 INDIAN SCOUT: Rush Performance Slip-On Exhaust (Chrome / 3-1/2" Tip Compatible / 1.75") The War Horse is a high-performance, slip-on muffler thats designed to give you a nice deep rumble, more torque and more horsepowerthan other slip-on mufflers. They feature show-quality finishes along with the ability to interchange the baffles so you can choose the sound and performance youre looking for. A unique selection of tips allow you to give your mufflers a customized look and make your bike truly stand out. Tips sold separately.