FMF Factory 4.1 RCT Yamaha YZ 250F/WR 250F 14-15 Full Line System

The factory 4.1 rct incorporates the latest in fmf resonance chamber technologyôäó both internally and externally. in addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our 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 our exacting specifications and is manufactured 100% at our southern california factory. available in natural aluminum with carbon fiber end cap. massive power gains throughout the rpm range. huge weight savings. new rts (rapid tuning system). fmf uses the highest quality proprietary blend stainless steel made especially to our standards. Specifications: - Type: System - Configuration: Single - Const: Aluminum - Finish: Natural - Midpipe: Stainless Steel - Endcap: Carbon - Spark Arrestor: Screen Insert (included) - Quiet Insert: Quiet Insert (sold separately) - Header Const: Stainless Steel - Header Type: MegaBomb - Weight: 7.3 lbs.