The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, it achieves a shorter overall length that is less susceptible to crash damage and complementary to FMF's 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 FMF's exacting specifications and is manufactured 100% at their Southern California factory.
- Made from natural aluminum with a carbon fiber end cap and a stainless steel mid-pipe and MegaBomb header
- Massive Power gains throughout the RPM range
- Dual exhaust
- Huge weight savings
- New RTS (Rapid Tuning System)
- Spark arrestor and 94dB quiet insert included
- Weighs approximately 11 lbs.
FMF MegaBomb Header:
- Made from premium American materials
- Stainless steel motorcycle four-stroke header with FMF's patented MegaBomb module
- Used by factory teams and is a great compliment to the FMF Factory 4.1 dirt bike muffler
- Increases output from stock motor as much as 15%
- Gain up to 3 horsepower with a single bolt-on mod
- Produces long header torque and short header over-rev
- Reduces sound output by as much as 1.5dB
- Less susceptible to damage than a long header
- Quality construction for maximum durability
Note: For closed course competition use only. Not intended for street use.
Note: Image for reference only. Actual product may vary according to vehicle.
Note: This product may not be legal for sale or use in California or in other localities due to state and/or federal anti-tampering laws. Refer to chaparral-racing.com/terms before purchasing.
Specifications | |
---|---|
SKU | 327-041541 |
Brand | FMF Racing |
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Part Numbers
SKU | MPN | Availability | In-Store Pickup | |
---|---|---|---|---|
Aluminum/Carbon Fiber | 327-041541 | 041541 | Unavailable. | - |
Aluminum/Carbon Fiber | 327-041531 | 041531 | Unavailable. | - |