SKU: M4YA9922
MPN: YA9922
M4 YA9922 Standard Slip-On Exhaust, Polished for Yamaha YZF-R1 (2009-2014)

M4 YA9922 Standard Undertail Slip-On Exhaust, Polished is made specifically for Yamaha YZF-R1 (2009-2014)

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 polished under tail canister. Retains stock catalytic converter. Produces 3.6 horsepower over stock.

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