15-16 SUZUKI GSX-S750: M4 MC-36 Standard Slip-On Exhaust (Carbon Fiber) This slip-on utilizes the stock header assembly. Bolt-on and slip-ons replace the stock restricted muffler resulting in better sound and an increase in power.Standard slip-on system with MC-36 muffler.Angular muffler in the sleek MC-36 style.M4 has built a quality fitting exhaust that is a breeze to ins