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FMF Racing Factory 4.1 RCT Slip-On Aluminum Inch Muffler 045628
Part Number: FMF-045628
FMF Racing Factory 4.1 RCT Slip-On Mufflers
Muffler, Factory 4.1 RCT Slip-On, Oval, Aluminum, Natural, Carbon Fiber End Cap, Turndown Outlet, Gas Gas, Husqvarna, KTM, Each
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Estimated Ship Date: Oct 19, 2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
045628
Part Type:
Product Line:
Summit Racing Part Number:
FMF-045628
Muffler Material:
Aluminum
Electronic Valve:
No
Internal Construction:
Wrapped perforated core
Case Shape:
Oval
Reversible:
No
Muffler Color:
Natural
End Cap Material:
Carbon fiber
End Cap Color:
Carbon fiber
End Cap Type:
Oval
Outlet Style:
Slant cut
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Muffler includes a spark arrestor screen insert and a 94dB quiet insert.
FMF Racing Factory 4.1 RCT Slip-On Mufflers
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!
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