The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology both internally and externally. In addition, they achieve a shorter overall length that is less susceptible to crash damage and complementary to their 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 the highest quality blend of blue anodized titanium with a titanium mid-pipe
- Massive power gains throughout the RPM range
- Huge weight savings
- Can be used with FMF or stock O.E.M header
- Includes a spark arrestor and 94dB quiet insert
- Weighs approximately 4 lbs.
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 | 327-041527 |
Brand | FMF Racing |

WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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Part Numbers
SKU | MPN | Availability | In-Store Pickup | |
---|---|---|---|---|
Titanium Titanium/Titanium | 327-041527 | 041527 | Unavailable. | - |
Anodized Blue Titanium/Carbon Fiber | 327-041526 | 041526 | Unavailable. | - |
Titanium Titanium/Titanium | 327-041509 | 041509 | Unavailable. | - |
Anodized Blue Titanium/Carbon Fiber | 327-041508 | 041508 | Unavailable. | - |