SKU: M4YA9936
MPN: YA9936
M4 YA9936 Standard Slip-On Exhaust with Titanium Muffler for Yamaha YZF-R1 (2009-2014)

M4 YA9936 Standard Slip-On Exhaust with Catalytic Converter Eliminator and Titanium Muffler is made specifically for Yamaha YZF-R1 (2015-current)

Bolt On/Slip Ons: These systems utilize the stock header assembly. Bolt on and slip ons replace the stock restricted muffler resulting in better sound and an increase in power. This slip on comes with dual carbon fiber canisters and eliminates the stock catalytic converter. Saves 5lbs over stock and produces 5 more horsepower. Comes with O2 bung and adapter for running the stock O2 sensor or aftermarket O2 sensors.

Find the other finishes here(Polished, Carbon Fiber).