M4 Exhaust manufactures exhausts which add power and a more race-inspired sound to your bike as well as lowering the overall weight. Extra time on research and development ensures your exhaust has the ultimate in quality workmanship, ease of installation, and the best performance possible for your motorcycle. Whether hitting the track or sharing a ride with someone, this system has you covered. M4 has built a quality fitting exhaust that is a breeze to install; all mounting hardware and instructions included. The Carbon Tech 1 slip-on exhaust system will shed some weight over stock to give your sport bike improved power-to-weight ratio.