D&D Chrome Slip-On Exhaust 2006-2012 Yamaha Stratoliner and Roadliner 517-12B Each exhaust pipe is designed to deliver the tone and performance that enthusiasts look for Increase low-end torque as well as delivering an increase in horsepower At idle, the motorbike is deep, boomy and full of character Not only does the pipe look good, it is a wonderfully sounding experience for the rider Mfg#: 517-12B