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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
Powercore 4 Slip On Silencer from FMF.
Features:
- New modular end cap allows easy tuning alterations
- Standard Hi-Flo 2" end cap boosts all-around performance; optional smaller 1-3/4" end cap smooths power delivery; spark arrestor module adds off-road versatility
- Computer designed and dyno tested for every 4-stroke application
- Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power
- A stainless steel mid-pipe mates to the computer-designed aluminum rear can for lightweight durability
- Square or round (depending on the machine) perforated steel inner cores make for optimum flow, using hi-flo technology
- FMF's exclusive cross-weave internal packing provides longevity and maximum sound dispersion
- Elliptical aluminum can offers strategic sizing for superior performance
- PowerCore 4 SA (spark arrestor) features a patented screen-type spark arrestor that is approved by the U.S.F.S. and does not interrupt exhaust flow so there's no performance loss
- The PowerCore 4 SA system's strategic ports allow the sonics to evacuate more effectively with the computer-designed Performance Flow end cap
To fit:
- HONDA CRF 250 R 2004
- HONDA CRF 250 R 2005
- HONDA CRF 250 X 2004
- HONDA CRF 250 X 2005
- HONDA CRF 250 X 2006
- HONDA CRF 250 X 2007
- HONDA CRF 250 X 2008
- HONDA CRF 250 X 2009
- HONDA CRF 250 X 2012
- HONDA CRF 250 X 2013
- HONDA CRF 250 X 2015
- HONDA CRF 250 X 2016
- HONDA CRF 250 X 2017
View all FMF Exhausts. View all Exhausts.
- HONDA CRF 250 R 2004
- HONDA CRF 250 R 2005
- HONDA CRF 250 X 2004
- HONDA CRF 250 X 2005
- HONDA CRF 250 X 2006
- HONDA CRF 250 X 2007
- HONDA CRF 250 X 2008
- HONDA CRF 250 X 2009
- HONDA CRF 250 X 2012
- HONDA CRF 250 X 2013
- HONDA CRF 250 X 2015
- HONDA CRF 250 X 2016
- HONDA CRF 250 X 2017

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.
- HONDA CRF 250 R 2004
- HONDA CRF 250 R 2005
- HONDA CRF 250 X 2004
- HONDA CRF 250 X 2005
- HONDA CRF 250 X 2006
- HONDA CRF 250 X 2007
- HONDA CRF 250 X 2008
- HONDA CRF 250 X 2009
- HONDA CRF 250 X 2012
- HONDA CRF 250 X 2013
- HONDA CRF 250 X 2015
- HONDA CRF 250 X 2016
- HONDA CRF 250 X 2017
Product description
Powercore 4 Slip On Silencer from FMF.
Features:
- New modular end cap allows easy tuning alterations
- Standard Hi-Flo 2" end cap boosts all-around performance; optional smaller 1-3/4" end cap smooths power delivery; spark arrestor module adds off-road versatility
- Computer designed and dyno tested for every 4-stroke application
- Enhanced sonic evacuation delivers a higher flow of exhaust gases, which increases power
- A stainless steel mid-pipe mates to the computer-designed aluminum rear can for lightweight durability
- Square or round (depending on the machine) perforated steel inner cores make for optimum flow, using hi-flo technology
- FMF's exclusive cross-weave internal packing provides longevity and maximum sound dispersion
- Elliptical aluminum can offers strategic sizing for superior performance
- PowerCore 4 SA (spark arrestor) features a patented screen-type spark arrestor that is approved by the U.S.F.S. and does not interrupt exhaust flow so there's no performance loss
- The PowerCore 4 SA system's strategic ports allow the sonics to evacuate more effectively with the computer-designed Performance Flow end cap
To fit:
- HONDA CRF 250 R 2004
- HONDA CRF 250 R 2005
- HONDA CRF 250 X 2004
- HONDA CRF 250 X 2005
- HONDA CRF 250 X 2006
- HONDA CRF 250 X 2007
- HONDA CRF 250 X 2008
- HONDA CRF 250 X 2009
- HONDA CRF 250 X 2012
- HONDA CRF 250 X 2013
- HONDA CRF 250 X 2015
- HONDA CRF 250 X 2016
- HONDA CRF 250 X 2017
View all FMF Exhausts. View all Exhausts.
- HONDA CRF 250 R 2004
- HONDA CRF 250 R 2005
- HONDA CRF 250 X 2004
- HONDA CRF 250 X 2005
- HONDA CRF 250 X 2006
- HONDA CRF 250 X 2007
- HONDA CRF 250 X 2008
- HONDA CRF 250 X 2009
- HONDA CRF 250 X 2012
- HONDA CRF 250 X 2013
- HONDA CRF 250 X 2015
- HONDA CRF 250 X 2016
- HONDA CRF 250 X 2017

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.
- HONDA CRF 250 R 2004
- HONDA CRF 250 R 2005
- HONDA CRF 250 X 2004
- HONDA CRF 250 X 2005
- HONDA CRF 250 X 2006
- HONDA CRF 250 X 2007
- HONDA CRF 250 X 2008
- HONDA CRF 250 X 2009
- HONDA CRF 250 X 2012
- HONDA CRF 250 X 2013
- HONDA CRF 250 X 2015
- HONDA CRF 250 X 2016
- HONDA CRF 250 X 2017






























