FMF Factory 4.1 RCT Muffler - Aluminum 042291
Part Number: 18211392
Description
If you're serious about extracting maximum power from your engine while reducing weight and minimizing crash vulnerability, the FMF Factory 4.1 RCT delivers measurable gains across the entire RPM range. By centralizing mass through Factory Forward Engineering, this muffler improves handling balance and responsiveness—critical advantages whether you're on the track or trail. Built entirely from aerospace-grade aluminum at FMF's Southern California facility, it combines uncompromising durability with the engineering precision that separates purpose-built performance from off-the-shelf compromises.
- Resonance Chamber Technology™ (RCT)
- Aerospace-grade aluminum construction
- Shortened overall length
- Reduced crash damage vulnerability
- Factory Forward Engineering design
- Centralized mass positioning
- Power gains across RPM range
- Significant weight savings
- Rapid Tuning System (RTS)
- MPN: 042291
- 100% domestically manufactured
Specs
PIPE MATERIAL: |
STAINLESS STEEL |
PRODUCT NAME: |
MUFFLER |
RIDING STYLE: |
OFF-ROAD |
TYPE: |
SLIP-ON |
MODEL: |
FACTORY 4.1 RCT |
MUFFLER COLOR/FINISH: |
RAW |
MUFFLER MATERIAL: |
ALUMINUM |
END CAP MATERIAL: |
CARBON FIBER |
UNITS: |
EACH |
Commercial Accounts
We offer tax-free commercial accounts, providing businesses with significant savings and streamlined benefits.
Easy 30-Day Returns
We proudly offer 30-day easy returns, ensuring a hassle-free and convenient shopping experience for our customers.
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