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M4 YA9922-GP GP2 Slip-on Exhaust, Black Ceramic is made specifically for Yamaha YZF-R6 (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 Ceramic Coated Black Slip On mounts to the stock catalytic converter to improve the looks of your R1.
Note: M4 Recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 Yamaha R1.
Note: Does not meet CARB (California Air Resources Board) emissions standards. For "Competition" use only
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