FMF 4.1 RCT Exhaust with MegaBomb - Aluminum KX450F 2019-2023 042372 1820-1843 Upstate Canvas National Jacket 2 NH100 in-helmet headsets (FRONT)

2 NH100 in-helmet headsets (FRONT)

Color-coded Comaxit surface treatment

Include hardware and mounting instructions

150 cubic inches (EU: 18

Clean smooth flowing design

FMF 4.1 RCT Exhaust with MegaBomb - Aluminum KX450F 2019-2023 042372 1820-1843 Upstate Canvas National Jacket 2 NH100 in-helmet headsets (FRONT)The Factory 4. 1 RCT incorporates FMF Resonance Chamber Technology both internally and externally Shorter overall length that is less susceptible to crash damage and complementary to FMF's 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's exacting specifications and is manufactured 100% at their Southern California factory