Tyres & Wheels
Agricultural Accessories
Mule Accessories
Racing Accessories
Duncan Racing
Paul Turner 2-Stroke Pipes
Pipe Chroming
Fat Boy Silencers
PC 2000: Power Valve Cylinder
PTR Porting: Head Mods
Powerheads
2-Stroke Engine Kits
Keihin Carburetors, K&N Filters
Pyramid Reed Valve, Intake Components
4-Stroke Power Exhausts
4-Stroke Performance Parts
Engine Specialty Items
Lobo Chassis, Lobo II Suspension Kits
Shock Absorbers
Axles, Carriers, Nerf Bars
DR Chrome Front Bumpers
Chassis Specialty Items
Engine Rebuilding, Machine Services, Tools
Tag Metal Handlebars
Apparel
Graphic Kits, Seat Covers, Decals
Vortex CDI Ignitions
Hunting Accessories
Protective Clothing
Tools & Maintenance
YAMAHA ATV's
YFM 50
NEW!
Raptor YFM 80
Breeze YFA 125
Blaster YFS 200
Banshee YFZ 350
Warrior YFM 350
YFZ 450
NEW!
Raptor YFM 660R
E-TON
ATV's
Viper JXL 40
Viper RXL 50
Viper RXL 90
Ranger DXL 90
Challenger CXL 150
W-TEC
BETA BUGGY
OFF-ROAD
BIKES
PW50
PW80
TT-R90
TT-R125
TT-R125LW
ALL ACCESSORIES AND E-TON ATV RANGE ARE AVAILABLE THROUGH YOUR LOCAL DEALER.
4-STROKE POWER EXHAUST
Horsepower and torque gains upto 20%
CNC Bent 304 stainless steel header, midpipe and tail sections.
Stainless steel CNC machined header flanges
Custom designed. 100" wall aluminum extrusion muffler body.
Front/Rear end caps CNC machined from billet aluminum.
Muffler mounts CNC machined from billet aluminum.
Stainless muffler cores.
All mufflers completely rebuildable and repackable.
O-Ring seal at tail pipe to muffler joint.
All FAT BOY 4 exhaust systems are individually serial numbered.
HONDA 250X/300EX
HONDA 400EX
HONDA TRX 250EX
KAWASAKI KFX 400
SUZUKI LTZ 400
YAMAHA RAPTOR
YAMAHA WARRIOR
FAT BOY 4 TURNDOWN
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Duncan Racing Website