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Dyno and track tested for every application
1 takes advantage of everything we've learned on the race track
-Meets USFS and FIM World Enduro sound regulations
FMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust
The Factory Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band
FACTORY 4.1 RCT TITANIUM ANODIZED FULL SYSTEM W/ CARBON END CAP 042378 BETA-X-TRAINER-2022 Dyno and track tested forThe 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
