FMF Factory 4.1 RCT Blue Slip-On Exhaust Silencer For KTM EXC-F 250 2017-2019 17749 the Nucleon KR-3 Protector offers

the Nucleon KR-3 Protector offers excellent performance under an outer leather or textile garment

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FMF Factory 4.1 RCT Blue Slip-On Exhaust Silencer For KTM EXC-F 250 2017-2019 17749 the Nucleon KR-3 Protector offersFactory 4. 1 RCT Slip On Muffler 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