FMF FULL SYSTEM STAINLESS / ALUMINUM W/ CARBON CAP | KTM/HQV

  The 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 our Southern California factory. P/N# 045662 Available in Natural Aluminum with Carbon Fiber End Cap Massive Power gains throughout the RPM range. Huge weight savings New RTS (Rapid Tuning System) FMF uses the highest quality proprietary blend stainless steel made to proprietary standards. ------------------------------ Sound levels at idle speed tested at 1' above and 1' behind each muffler on the same 21' 500 EXCF tested back to back.Stock muffler 82Stock w Pro Moto end cap / ultra silent insert 85Stock w Pro Moto end cap / silent ins