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FMF Racing Factory 4.1 RCT Slip-On Mufflers

Not Yet Reviewed

FMF Racing Factory 4.1 RCT mufflers offer the latest technology inside and out. Hand-built using aerospace-grade materials, they feature Resonance Chamber Technolog
FMF Racing Factory 4.1 RCT mufflers offer the latest technology inside and out. Hand-built using aerospace-grade materials, they feature Resonance Chamber Technology. FMF's patented core enhances and refines exhaust pressure waves for optimal power output, while lowering the sound levels. Their redesigned canister shape allows for a maximum volume of packing material that's formulated for durability and sound attenuation. Plus, their RTS (Rapid Tuning System) makes for easy sound insert changes, as well as adding US Forestry Approved Spark Arrestors. They're constructed using aerospace-grade materials, run quieter th
FMF Racing Factory 4.1 RCT mufflers offer the latest technology inside and out. Hand-built using aerospace-grade materials, they feature Resonance Chamber Technology. FMF's patented core enhances and refines exhaust pressure waves for optimal power output, while lowering the sound levels. Their redesigned canister shape allows for a maximum volume of packing material that's formulated for durability and sound attenuation. Plus, their RTS (Rapid Tuning System) makes for easy sound insert changes, as well as adding US Forestry Approved Spark Arrestors. They're constructed using aerospace-grade materials, run quieter than stock, and gain huge weight savings and massive power throughout the rpm range. FMF Racing Factory 4.1 RCT mufflers--not only do they sound amazing, but look amazing, too!

Results 1 - 4 of 4

Muffler, Factory 4.1 RCT, Oval, Aluminum/Carbon Fiber, Natural/Carbon Fiber, Turndown Outlet, Husqvarna, KTM, Each

Part Number: FMF-45594

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Muffler, Factory 4.1 RCT Slip-On, Oval, Aluminum, Natural, Carbon Fiber End Cap, Turndown Outlet, Husqvarna, KTM, Each

Part Number: FMF-045647

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Muffler, Factory 4.1 RCT Slip-On, Oval, Aluminum, Natural, Turndown Outlet, Husqvarna, KTM, Each

Part Number: FMF-045558

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

Muffler, Factory 4.1 RCT Slip-On, Oval, Aluminum, Natural, Turndown Outlet, KTM, Each

Part Number: FMF-045472

Not Yet Reviewed

Estimated Ship Date: Dec 29, 2025 if ordered today

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Estimated Ship Date: Dec 29, 2025 if ordered today

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