13 / 1355
EXHAUST
TIRES
TUBES
TIRE
ACCESSORIES
BIKE
ACCESSORIES
PITBIKE
GRAPHICS /SEAT
BODY
MIRRORS
CONTROLS
BARS /GRIPS
LEVERS
CABLES
INTAKE
FUELSYSTEMS
AIR FILTERS
OIL FILTERS
ELECTRICAL
SPARKPLUGS
BATTERIES
CHARGERS
ENGINE
PISTONS
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHEMICALS
GASCANS
TOOLS
LOCKS
RAMPS /STRAPS
TRAILERS
PROMOTIONAL
REFERENCE
INDEX
x
X X
X
X
13
FACTORY 4.1 RCT ALUMINUM/
STAINLESS STEEL FULL SYSTEMS
• The Factory 4.1 RCT incorporates the latest in FMF Resonance
Chamber Technology™
• Factory Forward Engineering - moving the muffler closer to the motor
to centralize mass
• Available in Natural Aluminum with Carbon Fiber End Cap
• Massive Power gains throughout the RPM range.
• Huge weight savings
• New RTS (Rapid Tuning System)
• FMF uses the highest quality proprietary blend stainless steel made
especially to our stand
Application
Year
FMF#
Dual w/
Megabomb
List
FMF#
Single w/
Powerbomb
List
HONDA
Grom*
‘14
041535
79-40626
$399.99
CRF250R
‘14-16
041531
79-40650 $974.99
041528
79-40651P
699.99
CRF450R
‘13-14
041499
79-40652
974.99
041510
79-40653P
699.99
‘15
041541
79-40656
974.99
041540
79-40657P
699.99
YAMAHA
YZ250F
‘14-16
044430
79-40654
$799.99
YZ250FX/WR250F ‘15-16
044430
79-40654
799.99
YF450F
‘14-16
044414
79-40655
799.99
79-40651P
79-40650
79-40655
* Grom exhaust does not feature powerbomb header
Some offroad models may contain emission control devices. Some aftermarket parts may
remove these devices. Removal or modification of such devices is illegal in the State of
California unless used exclusively for closed course competition use ONLY, never to be used
on public lands or highways.
EXHAUST