FMF Racing® Titanium/Stainless Steel Factory 4.1 RCT Slip-On Muffler - 045596
Fits 2015-2019 KTM & Husqvarna 250& 450cc 4T model
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.
Features:
- RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power output
- Internal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the entire range of power
- FMF's Factory Forward Engineering centralizes mass and is less prone to crash damage
- Innovative rear end cap features simple installation of tuning tip inserts or spark arrestor with the removal of four screws
- Compatible with stock header or FMF header
- Meet AMA and FIM sound requirements
- QuietCore 94db insert included
- Spark arrestor included in muffler
- Available in natural titanium or blue anodized finish with titanium or carbon fiber end caps
- Made in the U.S.A.
Finish:
-
Anodized Titanium/Stainless Steel
Fitment:
- HUSQVARNA FC 250 16-18
- HUSQVARNA FC 350 16-18
- HUSQVARNA FC 450 16-18
- HUSQVARNA FE 250 17-19
- HUSQVARNA FE 350 17-19
- HUSQVARNA FE 450 17-19
- HUSQVARNA FE501 17-19
- HUSQVARNA FX 350 17-18
- HUSQVARNA FX 450 17-18
- KTM 250 EXC-F 17-19
- KTM 250 SX-F 16-18
- KTM 250 SX-F FACTORY EDITION 15-17
- KTM 250 XC-F 16-18
- KTM 350 EXC-F 17-19
- KTM 350 SX-F 16-18
- KTM 350 XC-F 16-18
- KTM 450 EXC-F 18-19
- KTM 450 EXC-F SIX DAYS 17-19
- KTM 450 SX-F 16-18
- KTM 450 SX-F FACTORY EDITION 15-17
- KTM 450 XC-F 16-18
- KTM 500 EXC-F 17-19
