RINEHART 4.5″ MOTOPRO45 SLIP-ON EXHAUST FOR INDIAN. 4.5” Slip on mufflers for 2014 and later bagger, touring and elite motorcycles. Muffler body specifically designed to give your bike a bigger, louder sound while maximizing performance. Available in Chrome or Black mufflers with Black or Chrome end caps for a look that is unmistakably Rinehart..