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The Factory 4.1 RCT integrates FMF's Resonance Chamber Technology™ inside and out.
Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass
Products integrity
Insured shipping
Returns compliant
The Factory 4.1 RCT integrates FMF's Resonance Chamber Technology™ inside and out
Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass
The Factory 4.1 RCT is exclusively aerospace-grade materials that meet FMF's exacting specifications and is 100% manufactured in their Southern California factory
Noticeable increase in power across the entire rev range.
Huge weight savings
New RTS (Rapid Tuning System)
Includes MegaBomb collector
Includes flame arrester insert
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Color/Finish Blue, Anodized
Silencer Color/Finish Natural
Single silencer body
Material Aluminum, Stainless steel
Bottom material Carbon fiber
Silencer material Aluminum
Model Factory 4.1 RCT
Pipe Material Stainless steel
Oval style
Complete exhaust system
Fits:
2021 - 2023 GAS GAS MC 250 F
Reference: 18201874 / 045637-BL
Brand: FMF Exhausts
With stainless steel manifold and titanium connecting pipe.Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass
Reference: 18201954 / 045650-BL
Brand: FMF Exhausts
The Factory 4.1 RCT integrates FMF's Resonance Chamber Technology™ inside and out.Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass
Reference: 18211934 / 0151925A
Brand: Pro Circuit
T-6 stainless steel slip-on mufflers are designed for riders looking for an affordable, easy-to-install, durable muffler that bolts to the stock head pipe. Connection pipe and bottom made entirely of stainless steel, silencer body in aluminum for greater durability
Reference: 18201953 / 045649-BL
Brand: FMF Exhausts
The Factory 4.1 RCT integrates FMF's Resonance Chamber Technology™ inside and out.Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass
Reference: 18201872 / 045635-BL
Brand: FMF Exhausts
With stainless steel manifold and titanium connecting pipe.Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass
Reference: 18201957 / 045653-BL
Brand: FMF Exhausts
With stainless steel manifold and titanium connecting pipe.Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass
Reference: 18201882 / 0351925FP
Brand: Pro Circuit
A true racing exhaust system, the Ti-6 Pro is engineered to enhance performance by enabling professional riders to meet AMA/FIM noise regulations.Silencer material Titanium.Pipe Material Titanium
Reference: 18211878 / 0151845A
Brand: Pro Circuit
T-6 stainless steel slip-on mufflers are designed for riders looking for an affordable, easy-to-install, durable muffler that bolts to the stock head pipe. Connection pipe and bottom made entirely of stainless steel, silencer body in aluminum for greater durability
Reference: 18201882 / 0351925FP-BL
Brand: Pro Circuit
The Ti-6 titanium exhaust system is designed to improve performance and is constructed from titanium, while the final cone is made from carbon fiber.Ti-6 is ideal for all pilots looking for better performance, durability and a professional look.
Reference: 18201873 / 045636-BL
Brand: FMF Exhausts
The Factory 4.1 RCT integrates FMF's Resonance Chamber Technology™ inside and out.Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass
Reference: 18201858 / 0751912
Brand: Pro Circuit
The first Pro Circuit muffler with a bare metal finish that gives it a unique style.Durable body featuring a shape that fits perfectly to that of the bike for exceptional performance.
Reference: 18201697 / 0751665
Brand: Pro Circuit
The first Pro Circuit muffler with a bare metal finish that gives it a unique style.Durable body featuring a shape that fits perfectly to that of the bike for exceptional performance.
No customer questions for the moment.
The Factory 4.1 RCT integrates FMF's Resonance Chamber Technology™ inside and out.
Shorter overall length which is less prone to crash damage and complements FMF's Factory Forward Engineering, moving the muffler closer to the engine to centralize mass