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. M4 Exhausts are available in both Standard / Race and GP Series mounting configurations. Step up your motorcycle's style and power with the M4 Race Mount Full System Exhaust.
Midpipe is designed to give exhaust gases optimum flow and improved power characteristics.
Includes tapered and equal length headpipes with true high-flow merge collectors.
M4 has built a quality fitting exhaust that is a breeze to install; all mounting hardware and instructions included.
Most systems are quiet insert compatible and, where applicable, are shipped with an O2 sensor bung for use with aftermarket fuel management systems.
Race Full System with stainless tubing.
Note: All M4 systems are designed and intended for closed-course competition use only.