FMF Factory 4.1 Stainless Slip-On Exhaust KTM/HUS 250-501 ('16-'19) | 045594 E-Power Low friction material lowers drag

Low friction material lowers drag without transferring heat

- Engine plugs (2)

Ultra compact configuration reduces weight by a whopping 30 grams on (14-17) and over 100 grams (08-13) models

Classic: This new trial boot is made with microfiber to grant lightness and comfort

Honda CR250R 2002 to 2007

FMF Factory 4.1 Stainless Slip-On Exhaust KTM/HUS 250-501 ('16-'19) | 045594 E-Power Low friction material lowers dragThe Factory 4. 1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to FMF 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 FMF exacting specifications and is manufactured 100% at