Shop Online  
 
 
View Cart Wish List Your Account  Policies
   Shop by Catalog > Parts Unlimited Offroad > Exhaust > FMF
Parts Unlimited Offroad
Accessories
ATV Tires & Wheels
Body
Brakes
Chains
Electrical
Engine
Exhaust
Fuel Systems
Graphics & Seats
Handlebars & Controls
Lubes & Tools
Sprockets
Suspension
Tire Accessories
Tires
Trailering
Tubes & Wheels
  FMF EXHAUST SYSTEMS AND SLIP-ON MUFFLERS FOR HONDA 4-STROKES

Factory 4.1
 
    FACTORY 4.1™ SLIP-ON MUFFLER
    • Factory 4.1 muffler available in natural or blue anodized titanium with titanium end caps
    • The lightest mufflers available
    • Superior power and performance – horsepower improved throughout the rpm range
    • Features exclusive proprietary Chamber Core
    • Factory forward engineering centralizes mass, improves handling
    • Made from premium quality American TIMETAL® materials
    • Customize performance and sound output with optional inserts including U.S.F.S. approved spark arrestors
    • Meets AMA sound requirements of 94dB with optional insert
    TITANIUM POWERCORE
    • Incredible horsepower gains with 99 dB sound level or less
    • Titanium construction with American TIMETAL® canister and rear end cap
    • Designed with FMF’s exclusive Factory Forward Engineering – lowering the center of gravity and centralizing mass
    • Utilizes advanced multistage packing material and a Hi-Flo stainless steel formed front end cap and mid-pipe
    • Removable spark arrestor included and optional 94 dB insert available separately
    • Natural or blue anodized muffler body
    THE Q SERIES MUFFLERS
    • The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound
    • Less mass to enhance power-to-weight ratio
    • Quiet power with minimal sacrifice for performance
    Q4
    • Developed over years of championship off-road racing
    • Twin-stage core design for lower sound output and extended life of packing material
    • Comes standard with spark arrestor
    Q4 Ti
    • Developed over years of championship off-road racing
    • Max sound output 96 dB; most models below 94 dB
    • American TIMETAL® canister and end caps
    • Comes standard with spark arrestor
    POWERCORE 4 SA
    • Hi-Flo end cap boosts all-around performance
    • 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 rear can for lightweight durability
    • Round 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
    • Optional Quiet Core insert will provide a decrease in sound level if desired
    • Features a screen-type spark arrestor that is approved by the U.S.F.S. and does not interrupt exhaust flow or performance
    FACTORY 4™ MUFFLERS
    • Combines the huge weight savings of titanium with the performance traits gleaned from FMF’s association with factory motocross teams
    • Thousands of hours of both track and dyno time have resulted in power gains averaging just under 20%
    • Made from military grade titanium that is light and durable – in most cases the Ti 4 is 50% lighter than stock
         		 
    Application Chart

    Quantity Item / Item Code Price
    PC4 BIG B W/HDR CRF/XR50
    1820-0039     		$143.95
    EXHAUST PC4 CRF70 05-08
    1820-0252     		$143.95
    EXHAUST PC4 S/A CRF70
    1820-0253     		$159.95
    EXHAUST DL MEGABMB CRF250
    1820-0418     		$1,099.95
    EXHAUST DL MEGABMB CRF250
    1820-0419     		$1,099.95
    EXHAUST DL 4C/MGBMBCRF250
    1820-0472     		$1,199.95
    EXHAUST 4.1/STN XR/CRF50
    1820-0497     		$239.95
    EXHAUST 4.1/TI XR/CRF50
    1820-0498     		$399.95
    EXHAUST TI4.1 XR/CRF50
    1820-0592     		$399.95
    EXHAUST 4.1 XR/CRF50
    1820-0593     		$439.95
    EXHAUST 4.1 MGBMB CRF150
    1820-0594     		$639.95
    EXHAUST AN4.1MBOMB CRF150
    1820-0595     		$639.95
    EXHAUST 4.1MBMB CRF250R
    1820-0597     		$849.95
    EXHAUST AN4.1MBMB CRF250
    1820-0598     		$849.95
    EXHAUST 4.1C MBMB CRF250
    1820-0599     		$949.95
    EXHAUST 4.1MBMB CRF450R
    1820-0600     		$849.95
    EXHAUST AN4.1MBMB CRF450
    1820-0601     		$849.95
    EXHAUST 4.1 MBMB CRF450
    1820-0883     		$719.95
    EXHAUST AN4.1 MBMB CRF450
    1820-0884     		$719.95
    EXHAUST 4.1C MBMB CRF450
    1820-0885     		$759.95
    EXHAUST W/PC4 XR/CRF50
    1820-0951     		$199.95
    MUFFLER FAC 4.1 CRF250R/X
    1821-0249     		$339.95
    MUFFLER FAC TI 4.1 CRF250
    1821-0251     		$499.95
    MUFFLER FAC 4.1 CRF450 04
    1821-0253     		$339.95
    MUFFLER FAC 4.1 CRF450
    1821-0282     		$339.95
    MUFFLER ANOD 4.1 CRF450
    1821-0283     		$339.95
    MUFFLER AD TI 4.1 CRF250
    1821-0391     		$499.95
    MUFFLER 4.1C CRF250R 06
    1821-0392     		$599.95
    MFLR TI PC4SA CRF250R/X
    1821-0393     		$279.95
    MFLR TI PC4SA CRF450R/X
    1821-0394     		$279.95
    MFLR AD TI PC4SA CRF450
    1821-0396     		$279.95
    MFLR DBL 4.1 SA CRF250
    1821-0397     		$319.95
    MFLR DBL AD 4.1SA CRF
    1821-0398     		$399.95
    MUFFLER TI PC4 SA CRF250R
    1821-0401     		$279.95
    MUFFLER AD TIPC4SA CRF250
    1821-0402     		$349.95
    MUFFLER TI 4.1 CRF250R
    1821-0403     		$399.95
    MUFFLER TI PC CRF450 04
    1821-0504     		$349.95
    MUFFLER PC4 CRF150 07
    1821-0540     		$239.95
    MUFFLER TI PC4 CRF150 07
    1821-0541     		$279.95
    MUFFLER AN TI PC4 CRF150
    1821-0542     		$279.95
    MUFFLER Q4 S/A CRF150 07
    1821-0543     		$287.95
    MUFFLER 4.1 S/S CRF150 07
    1821-0544     		$319.95
    MUFFLER AN 4.1 S/S CRF150
    1821-0545     		$319.95
    MUFFLER TI 4.1 CRF150 07
    1821-0546     		$359.95
    MUFFLER AN TI 4.1 CRF150
    1821-0547     		$359.95
    MUFFLER Q4 SA CRF250R/X
    1821-0653     		$287.95
    MUFFLER TIQ4 SA CRF250R/X
    1821-0654     		$319.95
    MUFFLER Q4 SA CRF250R
    1821-0655     		$287.95
    MUFFLER TIQ4 SA CRF250R
    1821-0656     		$319.95
    MUFFLER Q4 SA CRF450 '04
    1821-0657     		$287.95
    MUFFLER Q4 SA CRF450R/X
    1821-0659     		$287.95
    MUFFLER TIQ4 SA CRF450R/X
    1821-0660     		$319.95
    MUFFLER PC4 CRF250R/X
    1821-0662     		$239.95
    MUFFLER PC4 CRF250 06-07
    1821-0663     		$239.95
    MUFFLER PC4 CRF450 04
    1821-0664     		$239.95
    MUFFLER PC4 CRF450R/X
    1821-0665     		$239.95
    MUFFLER PC4 CRF450X 06-07
    1821-0739     		$239.95
    MUFFLER TIPC CRF450X06-07
    1821-0740     		$279.95
    MUFFLER AN TIPC CRF450X
    1821-0741     		$279.95
    MUFFLER Q4 CRF450X 06-07
    1821-0742     		$287.95
    MUFFLER TIQ4 CRF450X06-07
    1821-0743     		$319.95
    MUFFLER 4.1 STN CRF450X
    1821-0744     		$339.95
    MUFFLER AN 4.1STN CRF450X
    1821-0745     		$339.95
    MUFFLER TI4.1 CRF450X
    1821-0746     		$499.95
    MUFFLER AN TI4.1 CRF450X
    1821-0747     		$499.95
    MUFFLER Q4 CRF150/230
    1821-0887     		$231.95
    MUFFLER Q4 XR250 96-04
    1821-0888     		$287.95
    MUFFLER Q4 XR400 96-04
    1821-0889     		$287.95
    MUFFLER Q4 CRF450 02
    1821-0890     		$287.95
    MUFFLER Q4 CRF450 03
    1821-0891     		$287.95
    MUFFLER Q4 XR600
    1821-0892     		$287.95
    MUFFLER Q4 XR650L 93-08
    1821-0893     		$287.95
    MUFFLER Q4 XR650R 00-07
    1821-0894     		$287.95
    MUFFLER PC4 CRF450 09
    1821-0895     		$239.95
    MUFFLER TI PC CRF450 09
    1821-0896     		$279.95
    MUFFLER AN TIPC CRF450 09
    1821-0897     		$279.95
    MUFFLER Q4 CRF450 09
    1821-0898     		$287.95
    MUFFLER TI Q4 CRF450 09
    1821-0899     		$319.95
    MUFFLER TI 4.1 CRF450 09
    1821-0902     		$439.95
    MUFFLER AN TI 4.1 CRF450
    1821-0903     		$439.95
    MUFFLER 4.1C CRF450 09
    1821-0904     		$519.95
    FMF PC 4 S/A XR200 86-02
    FMF-H406     		$199.95
    P-CORE4 SYS CRF/XR50
    FMF040072     		$143.95
    P-CORE4 SILENCR XR80/100
    FMF040083     		$143.95
    P-CORE4 SYS XR80/100
    FMF040084     		$159.95
    FMF PCIV S/A CR450 '02
    FMF041004     		$239.95
    P-CORE4 CRF/XR80/100
    FMF041014     		$143.95
    P-CORE4 SA CRF/XR80/100
    FMF041015     		$159.95
    P-CORE4 SYS CRF/XR70 01-3
    FMF041016     		$143.95
    P-CORE4 SA CRF/XR70 01-03
    FMF041017     		$159.95
    P-CORE4 S/A XR250 96-04
    FMF041020     		$215.95
    P-CORE4 S/A XR400 96-04
    FMF041021     		$239.95
    P-CORE4 S/A MOD XR600
    FMF041022     		$239.95
    P-CORE4 S/A XR650 00-07
    FMF041023     		$239.95
    P-CORE4 MOD SA CRF450 '03
    FMF041036     		$239.95
    P-CORE4 CRF150/230 03-08
    FMF041048     		$239.95
    PCIV S/A SYS CRF/XR50
    FMFH415     		$159.95
    Comment:
          

     

    Don't miss a thing!
    Join our
    E-Newsletter

    First Name:

    Last Name:

    E-mail:


    Policies | Privacy | Terms | Site Map ©2010 Dominion Enterprises