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FACTORY 4.1 4-STROKE EXHAUST SYSTEM
• Horsepower gain throughout the RPM range
• Comes with stainless steel Powerbomb header
• Titanium construction with durable stainless steel
mid-pipe
• Advanced engineering and patent pending design
• Optional quiet insert (-3db) and spark arrestor
• Available natural or anodized titanium
• Easy to repack
Description
FMF # WPS# List
ACCESSORIES
Quiet Insert/SA
40304
79-0906 $39.99
Quiet Insert/SA 94db 40631
79-0928 29.99
Spark Arrestor *
40261
79-0909 29.99
Natural
Application
Year FMF # WPS # List
YAMAHA
YFZ 450
‘04-07 044208
79-3182 $599.99
YFM 700 Raptor
‘06-14 044213
79-3186 679.99
‘15-17 044433
79-3187 679.99
FACTORY 4.1 RCT EXHAUST SYSTEM
Slip-on
Full system
Application Year
FMF#
Natural
FMF# Blue Anodized List
FMF# Blue Anodized
List
HONDA
TRX450R ‘06-14
041546
79-31181
$499.99
041547
79-31185
#
$699.99
041548
79-31186
*
774.99
YAMAHA
YFZ450R
‘09-16 044399
79-40311
044400
79-40313 $499.99
044401
79-31183
#
$699.99
Slip-On
Full System
Not legal for use in California on pollution controlled vehicles, race use only in California - waiver available
See Page 468 for Power Up Jet KitsThe Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally
and externally. In addition, we achieve a shorter overall length that is less susceptible to crash damage
and complementary to our 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 our
exacting specifications and is manufactured 100% at our Southern California factory.
• Available in Blue Anodized Titanium Muffler with Carbon End Cap
• Massive Power gains throughout the RPM range.
• Huge weight savings
• New RTS (Rapid Tuning System)
• FMF uses the highest quality proprietary blend of alloy grade titanium made especially to our
standards.
* Full system w/ Megabomb header
# Full system w/Powerbomb header
EXHAUST
TIRES
WHEELS
WHEEL /
TRACKKITS
TIREACC.
WINCH
PLOW
TOWING /
FARM
UTVCAB /
ACCESSORIES
AUDIO
WINDSHIELDS
ATVBODY
UTVBODY
STORAGE/
TRANSPORT
EXHAUST
BARS /GRIPS
LEVERS
CABLES
ATVCONTROLS
FUEL /AIR
SYSTEMS
AIRFILTERS
OILFILTERS
LIGHTING
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHINESE
VEHICLEPARTS
CHEMICALS
TOOLS
LOCKS
TRAILERS
RAMPS /
STRAPS
PROMOTIONAL
REFERENCE
INDEX