Fmf Racing 042330 Factory 4.1 RCT Slip-On - Stainless Steel/Aluminum Muffler - Carbon Fiber End Cap engine-pistons Optional Wall for Canopy by

Optional Wall for Canopy by HardDrive

1996-1999 KTM 620 SX

Vast improvement over stock flywheels which shift out of true under heavy load

Clip into standard E-tracks (E/A series)

Sizing: Standard Bore

Fmf Racing 042330 Factory 4.1 RCT Slip-On - Stainless Steel/Aluminum Muffler - Carbon Fiber End Cap engine-pistons Optional Wall for Canopy byIncorporating Resonance Chamber Technology. Patented core shape lowers sound level while maintaining maximum power output. Patented canister shape increases internal volume for more sound absorbing material. Patented chamber design to enhance and refine exhaust pressure. Factory Forward Engineering centralizes mass and is less prone to crash damage. Tuned exhaust with optimized core specifications for each application. Comes with the quality,