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FMF

FMF Ti Factory 4.1 RCT (Slip-On) Carbon Fiber End Cap - 044445 - 2018-2022 Yamaha YZ450F, YZ450FX

Regular price $764.99 USD
Regular price $849.99 USD Sale price $764.99 USD
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FMF Ti Factory 4.1 RCT (Slip-On) Carbon Fiber End Cap - 044445 - 2018-2022 Yamaha YZ450F, 2019-2021 YZ450FX

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Experience unmatched performance with FMF's Factory 4.1 RCT, the game-changing exhaust for motocross. Using proprietary Resonance Chamber Technology™ (RCT), this innovative system optimizes exhaust flow, improving throttle response and boosting horsepower and torque while reducing weight.

The Factory 4.1 RCT is a high-quality, durable slip-on carbon fiber end cap designed for a wide range of motocross bikes. Its sleek design and advanced technology offer a competitive edge for serious riders looking to elevate their performance. Upgrade your bike today and experience the difference!


Aerospace Grade Materials for Superior Quality

Engineered in FMF's SoCal factory using high-grade materials, the Ti Factory 4.1 RCT is built to meet strict standards for superior endurance and performance.

FMF Factory 4.1 RCT Slip-On Muffler - Anodized Titanium:

  • The Factory 4.1 RCT, incorporates FMF's Resonance Chamber Technology™
  • It is complementary to their Factory Forward Engineering, which moves the muffler closer to the motor to centralize mass.
  • The Factory 4.1 RCT is made from only aerospace-grade materials that meet their specifications and is 100% manufactured at their Southern California factory
  • The Factory 4.1 RCT provides massive power gains throughout the RPM range
  • Offers a huge weight savings.
  • Additionally, it features the Rapid Tuning System (RTS).

Yamaha YZ450F Performance Upgrades Engine Mods and Accessories

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