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EXHAUST
TIRES
TUBES
TIRE
ACCESSORIES
BIKE
ACCESSORIES
SNOW BIKE
PIT BIKE
GRAPHICS / SEAT
BODY
CONTROLS
BARS / GRIPS
LEVERS
CABLES
INTAKE
FUEL SYSTEMS
AIR FILTERS
OIL FILTERS
ELECTRICAL
SPARK PLUGS
BATTERIES
CHARGERS
ENGINE
PISTONS
SUSPENSION
DRIVE
CHAIN
SPROCKETS
BRAKES
CHEMICALS
GAS CANS
TOOLS
LOCKS
RAMPS / STRAPS
TRAILERS
PROMOTIONAL
REFERENCE
INDEX
24
OFFROAD POWERCORE 4 EXHAUST
#
Complete System
† Use with stock header
S Uses strap style mount
• The latest version of the Powercore 4 design incorporates a hi-flow core
which has more surface area to absorb more sound while flowing more
exhaust
• Constructed with an extruded aluminum canister, a stainless steel midpipe
that is MIG/TIG welded and has space age internal packing
• Lighter, stronger and more powerful than stock exhausts
• Powercore 4 S/A has a U.S. Forestry approved maintenance free, stainless
steel spark arrestor screen
POWERCORE IV
Application
Year
FMF #
Silencer
List
FMF # Spark Arrestor
List
HONDA
CRF/XR50
‘00-17
040072
79-1428
#
$199.99
040011
79-1427
#
$229.99
Big Bore
041071
79-1420
#
199.99
CRF/XR70
‘00-04
041016
79-2617
#
199.99
041017
79-2657
#
$229.99
CRF70
‘05-12
041178
79-2616
#
199.99
041179
79-2656
#
229.99
CRF110
All
041501
79-2631
#
199.99
041502
79-2632
#
229.99
XR80/100
‘86-00
040083
79-2619
#
199.99
040084
79-2659
#
229.99
CRF/XR80/100
‘01-13
041014
79-2618
#
199.99
041015
79-2658
#
229.99
CRF125F
All
041533
79-2612
#
199.99
041534
79-2652
#
229.99
CRF150/230F
‘03-17
041048
79-2655
†
299.99
XR200
‘86-02
79-1426
S
299.99
XR250
‘96-04
041020
79-6130
S
299.99
XR400
‘96-04
041021
79-6140
S
329.99
XR600
‘91-00
041022
79-6150
S
329.99
XR650R
‘00-07
041023
79-6151
S
329.99
KAWASAKI
KLX110
‘02-17
042005
79-7233
#
$199.99
042002
79-1522
#
$229.99
KLX125
‘03-06
043024
79-1542
†
229.99
KLX140/L
All
042161
79-1543
229.99
KLX250/300
‘94-06
042000
79-6230
S
329.99
KTM
400/520/525
‘00-03
045011
79-6311
† S
$329.99
450 EXC/MXC
‘03
045011
79-6311
† S
329.99
SUZUKI
DR-Z110
‘02-07
042005
79-7233
#
$199.99
042002
79-1522
#
$229.99
DR-Z125
‘03-17
043024
79-1542
†
229.99
DR250/350
‘90-00
043006
79-6410
S
329.99
DR-Z250
‘01-06
043012
79-6422
S
329.99
DR-Z400E
‘00-05
043010
79-6420
S
329.99
DR-Z400E
‘06-07
043011
79-6421
S
329.99
DR-Z400S/SM ‘00-17
043011
79-6421
S
329.99
YAMAHA
TT-R50
All
044156
79-2873
#
$199.99
044157
79-2874
#
$229.99
TT-R90
‘00-07
040080
79-2879
#
199.99
040070
79-2869
#
229.99
TT-R110
All
044272
79-2835
#
199.99
TT-R125
All
044136
79-5416
#
199.99
040071
79-5414
#
$229.99
TT-R225
‘99-04
044021
79-5415
S
299.99
TT-R230
‘05-16
044141
79-6523
299.99
XT250
‘08-14
044313
79-2654
299.99
YZ/WR250F
‘02
044014
79-6522
S
329.99
YZ/WR400/426F
‘98-02
044013
79-6531
S
329.99
FMF ACCESSORIES
Powercore 4
FMF# WPS# List
Powercore 4 Hex FMF# WPS#
List
QUIET CORE INSERTS
1 3/8” core
040288
79-0926 $39.99
All PC 4 Hex
040670
79-0936 $29.99
1 1/8” core
040630
79-0927 39.99
Spark arrestor screen 040638
79-0930
29.99
Spark arrestor screen 040298
79-0925 29.99
End cap
040641
79-0931
49.99
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