STICKERS
PACKING
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.
-Available in Natural Aluminum Muffler with Carbon End Cap
-Massive Power gains throughout the RPM range.
-Huge weight savings
-New RTS (Rapid Tuning System)
-FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our standards.
-See Features Tab -> Fitment for header compatibility
Notice: Closed Course Use Only
Item ID: 045628
Type: Slip-On
Configuration: Single
Const: Aluminum
Finish: Natural
Midpipe: Stainless Steel
Endcap: Carbon
Spark Arrestor: Screen Insert (included)
Carb Warning: no
Quiet Insert: 94dB Insert (included)
Weight: 7.4 lbs.
| Make | Model | Year |
|---|---|---|
| GAS GAS | EX 350F | 21-23 |
| GAS GAS | EX 450F | 21-23 |
| GAS GAS | MC 350F | 21-23 |
| GAS GAS | MC 450F | 21-23 |
| HUSQVARNA | FC 350 | 19-22 |
| HUSQVARNA | FC 450 | 19-22 |
| HUSQVARNA | FC 450 ROCKSTAR EDITION | 18,20-21 |
| HUSQVARNA | FX 350 | 19-22 |
| HUSQVARNA | FX 450 | 19-22 |
| KTM | 350 SX-F | 19-22 |
| KTM | 350 XC-F | 19-22 |
| KTM | 350 XC-F KAILUB RUSSELL | 21 |
| KTM | 450 SX-F | 19-22 |
| KTM | 450 SX-F FACTORY EDITION | 18,20-21 |
| KTM | 450 XC-F | 19-22 |
For: GAS GAS EX 350F 2021
For: GAS GAS EX 350F 2021
For: GAS GAS EX 350F 2021
For: GAS GAS EX 350F 2021