FMF Powercore 2 Shorty Silencer 025135 1821-1188 SM5 Beam Helmet Upper constructed from innovative and

Upper constructed from innovative and lightweight microfiber material with action leather on toe box Redesigned instep and Achilles accordion flex zones

requires 12V

savings)DB at Idle 91 DB at 5000rpm 109 DBFitment: Yamaha R1 R1M R1S 2015-2023 (Note 2020 + R1 riders can call in the orders to have front 02 sensors added for an extra charge if your tuning cannot remove the 02 sensors)

Fits Keihin FCR carbs on modern machines

FMF Powercore 2 Shorty Silencer 025135 1821-1188 SM5 Beam Helmet Upper constructed from innovative andThe Shorty Silencer is the most desirable silencer for supercross performance Overall length of canister and core is shorter to improve the hit of your machine The SST Shorty Silencer is the heart and soul of the SST power package; required on some models when installing an FMF Gold Series SST pipe