FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP 045713 KAWASAKI-KX450X-2023 When looking to add 4-stroke

When looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements

By positioning this "Bomb" at a key point in the system

-Space Age internal packing material for maximum longevity

1 is FMF Racing's premier performance exhaust

This design results in a finely tuned bolt on performance silencer that maximizes bottom and mid rpm power

FACTORY 4.1 RCT STAINLESS SL (SLIP-ON) W/ CARBON END CAP 045713 KAWASAKI-KX450X-2023 When looking to add 4-strokeThe 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 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