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Important – Off-Road Use Only: This exhaust is supplied for off-road / closed-course use only and is not approved for use on public roads unless clearly stated otherwise.
It is the customer’s responsibility to ensure the product is suitable and compliant for their intended use, including any applicable UK/EU noise and emissions requirements and any vehicle type-approval requirements.
Please note: Some images may be for illustrative purposes only.
-
Important – Off-Road Use Only: This exhaust is supplied for off-road / closed-course use only and is not approved for use on public roads unless clearly stated otherwise.
It is the customer’s responsibility to ensure the product is suitable and compliant for their intended use, including any applicable UK/EU noise and emissions requirements and any vehicle type-approval requirements.
Please note: Some images may be for illustrative purposes only.
Product description
Factory 4.1 RCT Slip-On Silencer from FMF.
Features:
- The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology? both internally and externally
- In addition, FMF achieves 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 their exacting specifications and is manufactured 100% at their Southern California factory
- Massive Power gains throughout the RPM range.
- Huge weight savings RTS (Rapid Tuning System)
- Type: Slip-on silencer (Fits FMF and OEM front pipe)
- Material: Titanium
- Finish: Blue
To fit:
- KTM SX-F 350 2016
- KTM SX-F 450 2016
- HUSQVARNA FC 350 2016
- HUSQVARNA FC 450 2016
- KTM SX-F 250 2016
- HUSQVARNA FC 250 2016
- KTM SX-F 450 2017
- KTM SX-F 250 2017
- KTM EXC-F 450 2017
- KTM EXC-F 500 2017
- KTM EXC-F 500 2017
- KTM EXC-F 350 2017
- KTM EXC-F 350 2017
- KTM EXC-F 250 2017
- KTM EXC-F 250 2017
- HUSQVARNA FC 250 2017
- HUSQVARNA FC 350 2017
- HUSQVARNA FC 450 2017
- HUSQVARNA FE 250 2017
- KTM SX-F 350 2017
- KTM EXC-F 450 2017
- HUSQVARNA FE 350 2017
- HUSQVARNA FE 501 2017
- HUSQVARNA FE 450 2017
- HUSQVARNA FE 250 2018
- HUSQVARNA FC 450 2018
- HUSQVARNA FE 501 2018
- KTM SX-F 450 2018
- KTM SX-F 250 2018
- KTM EXC-F 450 2018
- KTM EXC-F 350 2018
- HUSQVARNA FE 350 2018
- KTM SX-F 350 2018
- KTM EXC-F 500 2018
- KTM EXC-F 250 2018
- HUSQVARNA FC 250 2018
- HUSQVARNA FC 350 2018
- HUSQVARNA FE 450 2018
- KTM EXC-F 450 2019
- HUSQVARNA FE 250 2019
- HUSQVARNA FE 350 2019
- HUSQVARNA FE 501 2019
- KTM EXC-F 350 2019
- KTM EXC-F 500 2019
- KTM EXC-F 250 2019
- HUSQVARNA FE 450 2019
View all FMF Exhausts. View all Exhausts.
To fit:
- KTM SX-F 350 2016
- KTM SX-F 450 2016
- HUSQVARNA FC 350 2016
- HUSQVARNA FC 450 2016
- KTM SX-F 250 2016
- HUSQVARNA FC 250 2016
- KTM SX-F 450 2017
- KTM SX-F 250 2017
- KTM EXC-F 450 2017
- KTM EXC-F 500 2017
- KTM EXC-F 500 2017
- KTM EXC-F 350 2017
- KTM EXC-F 350 2017
- KTM EXC-F 250 2017
- KTM EXC-F 250 2017
- HUSQVARNA FC 250 2017
- HUSQVARNA FC 350 2017
- HUSQVARNA FC 450 2017
- HUSQVARNA FE 250 2017
- KTM SX-F 350 2017
- KTM EXC-F 450 2017
- HUSQVARNA FE 350 2017
- HUSQVARNA FE 501 2017
- HUSQVARNA FE 450 2017
- HUSQVARNA FE 250 2018
- HUSQVARNA FC 450 2018
- HUSQVARNA FE 501 2018
- KTM SX-F 450 2018
- KTM SX-F 250 2018
- KTM EXC-F 450 2018
- KTM EXC-F 350 2018
- HUSQVARNA FE 350 2018
- KTM SX-F 350 2018
- KTM EXC-F 500 2018
- KTM EXC-F 250 2018
- HUSQVARNA FC 250 2018
- HUSQVARNA FC 350 2018
- HUSQVARNA FE 450 2018
- KTM EXC-F 450 2019
- HUSQVARNA FE 250 2019
- HUSQVARNA FE 350 2019
- HUSQVARNA FE 501 2019
- KTM EXC-F 350 2019
- KTM EXC-F 500 2019
- KTM EXC-F 250 2019
- HUSQVARNA FE 450 2019

GhostBikes are now stocking a full range of FMF pipes for a wide range of off road 2 stroke and 4 stroke makes and models! Get more power from your bike with an FMF exhaust system!
FMF is one of the world's leading manufacturers of aftermarket motorcycle exhaust systems. Their exhausts are designed to increase the performance of your bike while also giving it a more aggressive sound. FMF offers a wide range of exhaust options, including full systems, slip-on mufflers, and head pipes, for various makes and models of off-road and motocross motorcycles.
To fit:
- KTM SX-F 350 2016
- KTM SX-F 450 2016
- HUSQVARNA FC 350 2016
- HUSQVARNA FC 450 2016
- KTM SX-F 250 2016
- HUSQVARNA FC 250 2016
- KTM SX-F 450 2017
- KTM SX-F 250 2017
- KTM EXC-F 450 2017
- KTM EXC-F 500 2017
- KTM EXC-F 500 2017
- KTM EXC-F 350 2017
- KTM EXC-F 350 2017
- KTM EXC-F 250 2017
- KTM EXC-F 250 2017
- HUSQVARNA FC 250 2017
- HUSQVARNA FC 350 2017
- HUSQVARNA FC 450 2017
- HUSQVARNA FE 250 2017
- KTM SX-F 350 2017
- KTM EXC-F 450 2017
- HUSQVARNA FE 350 2017
- HUSQVARNA FE 501 2017
- HUSQVARNA FE 450 2017
- HUSQVARNA FE 250 2018
- HUSQVARNA FC 450 2018
- HUSQVARNA FE 501 2018
- KTM SX-F 450 2018
- KTM SX-F 250 2018
- KTM EXC-F 450 2018
- KTM EXC-F 350 2018
- HUSQVARNA FE 350 2018
- KTM SX-F 350 2018
- KTM EXC-F 500 2018
- KTM EXC-F 250 2018
- HUSQVARNA FC 250 2018
- HUSQVARNA FC 350 2018
- HUSQVARNA FE 450 2018
- KTM EXC-F 450 2019
- HUSQVARNA FE 250 2019
- HUSQVARNA FE 350 2019
- HUSQVARNA FE 501 2019
- KTM EXC-F 350 2019
- KTM EXC-F 500 2019
- KTM EXC-F 250 2019
- HUSQVARNA FE 450 2019
Product description
Factory 4.1 RCT Slip-On Silencer from FMF.
Features:
- The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology? both internally and externally
- In addition, FMF achieves 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 their exacting specifications and is manufactured 100% at their Southern California factory
- Massive Power gains throughout the RPM range.
- Huge weight savings RTS (Rapid Tuning System)
- Type: Slip-on silencer (Fits FMF and OEM front pipe)
- Material: Titanium
- Finish: Blue
To fit:
- KTM SX-F 350 2016
- KTM SX-F 450 2016
- HUSQVARNA FC 350 2016
- HUSQVARNA FC 450 2016
- KTM SX-F 250 2016
- HUSQVARNA FC 250 2016
- KTM SX-F 450 2017
- KTM SX-F 250 2017
- KTM EXC-F 450 2017
- KTM EXC-F 500 2017
- KTM EXC-F 500 2017
- KTM EXC-F 350 2017
- KTM EXC-F 350 2017
- KTM EXC-F 250 2017
- KTM EXC-F 250 2017
- HUSQVARNA FC 250 2017
- HUSQVARNA FC 350 2017
- HUSQVARNA FC 450 2017
- HUSQVARNA FE 250 2017
- KTM SX-F 350 2017
- KTM EXC-F 450 2017
- HUSQVARNA FE 350 2017
- HUSQVARNA FE 501 2017
- HUSQVARNA FE 450 2017
- HUSQVARNA FE 250 2018
- HUSQVARNA FC 450 2018
- HUSQVARNA FE 501 2018
- KTM SX-F 450 2018
- KTM SX-F 250 2018
- KTM EXC-F 450 2018
- KTM EXC-F 350 2018
- HUSQVARNA FE 350 2018
- KTM SX-F 350 2018
- KTM EXC-F 500 2018
- KTM EXC-F 250 2018
- HUSQVARNA FC 250 2018
- HUSQVARNA FC 350 2018
- HUSQVARNA FE 450 2018
- KTM EXC-F 450 2019
- HUSQVARNA FE 250 2019
- HUSQVARNA FE 350 2019
- HUSQVARNA FE 501 2019
- KTM EXC-F 350 2019
- KTM EXC-F 500 2019
- KTM EXC-F 250 2019
- HUSQVARNA FE 450 2019
View all FMF Exhausts. View all Exhausts.
To fit:
- KTM SX-F 350 2016
- KTM SX-F 450 2016
- HUSQVARNA FC 350 2016
- HUSQVARNA FC 450 2016
- KTM SX-F 250 2016
- HUSQVARNA FC 250 2016
- KTM SX-F 450 2017
- KTM SX-F 250 2017
- KTM EXC-F 450 2017
- KTM EXC-F 500 2017
- KTM EXC-F 500 2017
- KTM EXC-F 350 2017
- KTM EXC-F 350 2017
- KTM EXC-F 250 2017
- KTM EXC-F 250 2017
- HUSQVARNA FC 250 2017
- HUSQVARNA FC 350 2017
- HUSQVARNA FC 450 2017
- HUSQVARNA FE 250 2017
- KTM SX-F 350 2017
- KTM EXC-F 450 2017
- HUSQVARNA FE 350 2017
- HUSQVARNA FE 501 2017
- HUSQVARNA FE 450 2017
- HUSQVARNA FE 250 2018
- HUSQVARNA FC 450 2018
- HUSQVARNA FE 501 2018
- KTM SX-F 450 2018
- KTM SX-F 250 2018
- KTM EXC-F 450 2018
- KTM EXC-F 350 2018
- HUSQVARNA FE 350 2018
- KTM SX-F 350 2018
- KTM EXC-F 500 2018
- KTM EXC-F 250 2018
- HUSQVARNA FC 250 2018
- HUSQVARNA FC 350 2018
- HUSQVARNA FE 450 2018
- KTM EXC-F 450 2019
- HUSQVARNA FE 250 2019
- HUSQVARNA FE 350 2019
- HUSQVARNA FE 501 2019
- KTM EXC-F 350 2019
- KTM EXC-F 500 2019
- KTM EXC-F 250 2019
- HUSQVARNA FE 450 2019

GhostBikes are now stocking a full range of FMF pipes for a wide range of off road 2 stroke and 4 stroke makes and models! Get more power from your bike with an FMF exhaust system!
FMF is one of the world's leading manufacturers of aftermarket motorcycle exhaust systems. Their exhausts are designed to increase the performance of your bike while also giving it a more aggressive sound. FMF offers a wide range of exhaust options, including full systems, slip-on mufflers, and head pipes, for various makes and models of off-road and motocross motorcycles.
To fit:
- KTM SX-F 350 2016
- KTM SX-F 450 2016
- HUSQVARNA FC 350 2016
- HUSQVARNA FC 450 2016
- KTM SX-F 250 2016
- HUSQVARNA FC 250 2016
- KTM SX-F 450 2017
- KTM SX-F 250 2017
- KTM EXC-F 450 2017
- KTM EXC-F 500 2017
- KTM EXC-F 500 2017
- KTM EXC-F 350 2017
- KTM EXC-F 350 2017
- KTM EXC-F 250 2017
- KTM EXC-F 250 2017
- HUSQVARNA FC 250 2017
- HUSQVARNA FC 350 2017
- HUSQVARNA FC 450 2017
- HUSQVARNA FE 250 2017
- KTM SX-F 350 2017
- KTM EXC-F 450 2017
- HUSQVARNA FE 350 2017
- HUSQVARNA FE 501 2017
- HUSQVARNA FE 450 2017
- HUSQVARNA FE 250 2018
- HUSQVARNA FC 450 2018
- HUSQVARNA FE 501 2018
- KTM SX-F 450 2018
- KTM SX-F 250 2018
- KTM EXC-F 450 2018
- KTM EXC-F 350 2018
- HUSQVARNA FE 350 2018
- KTM SX-F 350 2018
- KTM EXC-F 500 2018
- KTM EXC-F 250 2018
- HUSQVARNA FC 250 2018
- HUSQVARNA FC 350 2018
- HUSQVARNA FE 450 2018
- KTM EXC-F 450 2019
- HUSQVARNA FE 250 2019
- HUSQVARNA FE 350 2019
- HUSQVARNA FE 501 2019
- KTM EXC-F 350 2019
- KTM EXC-F 500 2019
- KTM EXC-F 250 2019
- HUSQVARNA FE 450 2019































