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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
2
Application Year
Header
Material
Silencer
WPS# List
KTM
250SXF
‘07-12 Stainless Steel
Carbon Fiber
78-07422 $799.95
Stainless Steel
Aluminum S/A
78-07421 579.95
‘13-15 Stainless Steel
Aluminum S/A
78-07366 579.95
Stainless Steel
Carbon Fiber
78-07367 799.95
‘16-17 Stainless Steel
Aluminum S/A
78-07658 579.95
Stainless Steel
Carbon Fiber
78-07659 799.95
350SXF
‘11-12 Stainless Steel
Aluminum S/A
78-07425 579.95
350SXF
‘13-15 Stainless Steel
Aluminum S/A
78-07370 579.95
Stainless Steel
Carbon Fiber
78-07371 799.95
Titanium
Titanium S/A
78-07372 979.95
Titanium
Carbon Fiber
78-07373 979.95
‘16-17 Stainless Steel
Aluminum S/A
78-07660 579.95
Stainless Steel
Carbon Fiber
78-07661 799.95
450SXF
‘07-10 Stainless Steel
Aluminum S/A
78-07429 579.95
Stainless Steel
Carbon Fiber
78-07430 799.95
‘11-12 Stainless Steel
Aluminum S/A
78-07433 579.95
Stainless Steel
Carbon Fiber
78-07434 799.95
450SXF/XC-F
‘13-15 Stainless Steel
Aluminum S/A
78-07374 579.95
Stainless Steel
Carbon Fiber
78-07375 799.95
Titanium
Carbon Fiber
78-07377 979.95
‘16-17 Stainless Steel
Aluminum S/A
78-07666 579.95
Stainless Steel
Carbon Fiber
78-07667 799.95
SUZUKI
RMZ250
‘10-17 Stainless Steel
Aluminum S/A
78-07350 $579.95
Stainless Steel
Carbon Fiber
78-07351 799.95
RMZ450
‘05-07 Stainless Steel
Aluminum S/A
78-07535 579.95
RMZ450
‘08-17 Stainless Steel
Aluminum S/A
78-07358 579.95
Stainless Steel
Carbon Fiber
78-07359 799.95
YAMAHA
TTR230
‘05-12 Stainless Steel
Aluminum S/A
78-07521 $349.95
WR250F
‘03-05 Stainless Steel
Aluminum (COMP)
78-07584 579.95
YZ250F
‘03-05 Stainless Steel
Aluminum (COMP)
78-07584 579.95
‘06 Stainless Steel
Aluminum S/A
78-07629 579.95
‘07-13 Stainless Steel
Aluminum S/A
78-07301 579.95
Stainless Steel
Carbon Fiber
78-07302 799.95
Titanium
Titanium S/A
78-07303 979.95
Titanium
Carbon Fiber
78-07304 979.95
‘14-17 Stainless Steel
Aluminum S/A
78-07556 599.95
Stainless Steel
Carbon Fiber
78-07557 829.95
YZ250FX/WR250F ‘16-17 Stainless Steel
Aluminum S/A
78-07556 599.95
YZ450F
‘06-09 Stainless Steel
Aluminum S/A
78-07404 579.95
Stainless Steel
Carbon Fiber
78-07405 799.95
WR450
‘07-13 Stainless Steel
Aluminum S/A
78-07404 579.95
Stainless Steel
Carbon Fiber
78-07405 799.95
YZ450F
‘10-13 Stainless Steel
Aluminum S/A
78-07309 579.95
Stainless Steel
Carbon Fiber
78-07310 799.95
Titanium
Carbon Fiber
78-07312 979.95
‘14-17 Stainless Steel
Aluminum S/A
78-07571 599.95
Stainless Steel
Carbon Fiber
78-07572 829.95
YZ450FX/WR450F ‘16-17 Stainless Steel
Aluminum S/A
78-07571 599.95
NS-4 Replacement Parts
Description
WPS# LIST
Repack Pillow Kit 12.75-13.50”
78-8018 $29.95
Repack Pillow Kit 14-15”
78-8019 29.95
Repack Pillow Kit 16-17”
78-8017 29.95
Spark Arrestor Screen
78-02709 14.95
Quiet Core Insert 1.625”
78-02906 49.95
Quiet Core Insert 1.5”
78-02910
49.95
Quiet Core Insert 1.375”
78-02909
49.95
NS-4 FULL EXHAUST SYSTEMS
RMZ450
YZF450
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