The patented FMF Resonance Chamber Technology enhances and refines exhaust pressure. Its patented core shape lowers sound level while maintaining maximum power output, and the patented canister shape increases internal volume for more sound-absorbing material. Factory Forward Engineering centralizes mass and is less prone to impact damage.
Maintenance is easy – remove four screws on the front end cap, and the innovative rear end cap simplifies the installation of the spark arrestor (sold separately) or tuning tip
Includes QuietCore™ 94 dBA insert. Meets AMA® and FIM sound
This muffler is used by the Joe Gibbs Racing and Star Racing factory supported teams
It is compatible with stock of FMF® header and made in the USA
