Description
Note: M4 recommends re-flashing your stock ECU to unleash the full potential of all M4 products on the 2015 Yamaha R1.
Available dB reducing muffler inserts: Stage 1 part # Q1 (Installed), Stage 2 part # Q3
Packed with MotoGP YZR-M1 technology, the next generation R1 is here. With a new crossplane engine, short wheelbase chassis and high-tech electronics, it’s ready to connect to your body and take your riding to a new level.
Developed without compromise using YZR-M1 MotoGP technology, the R1 was born for the track. The only thing this potent machine needs is the addition of a premium M4 Exhaust system to realize it’s full potential.
YA9926-GP made by M4
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