Built using race-proven materials, the Racing Line gives the bike a striking appearance The muffler outer sleeve is constructed from carbon fiber, with a stainless-steel header and finished with a hand-crafted carbon-fiber endcap and muffler clamp, all creating a greater saving in weight from the stock system The system delivers extra power and torque all through the range, with a big increase at the lower end, along with enhanced sound for a more sporty and aggressive tone Easy to install and no remapping is necessary. EXHAUST SS/CF G310R GS