FMF Factory 4.1 RCT Mufflers - Anodized Titanium CRF450R/RX 2019-2020 041575 1821-1932 Factory 4.1 RCT Slip-On Mufflers Mounts to 7/8" and 1-1/8"

Mounts to 7/8" and 1-1/8" handlebars

one narrow friction plate and seven steel plates

The GP Plus v4 also incorporates Alpinestars Composite Stretch Plus

Battery and ECU

The level of exhaust pipe heat that can be reached by 4-stroke models can cause pipes to ding easily

FMF Factory 4.1 RCT Mufflers - Anodized Titanium CRF450R/RX 2019-2020 041575 1821-1932 Factory 4.1 RCT Slip-On Mufflers Mounts to 7/8" and 1-1/8"The Factory 4. 1 RCT incorporates FMF's Resonance Chamber Technology both internally and externally In addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward Engineering moving the muffler closer to the motor to centralize mass The Factory 4. 1 RCT is constructed from only aerospace grade materials that meet their exacting specifications and is manufactured 100% at their