Fatboy

FB4-ESZ450_exhaust

Duncan Racing Fat Boy 4 Full Exhaust Pipe Muffler LTR450 06 07 08 09 FB4-ESZ450

EAN: 0745495803254

UPC: 745495803254

Complete Systems

All Fat Boy 4 Exhaust Systems come with a FREE jet kit (for stock carburetor) included with instruction packet.
DRI offers a LIFETIME WARRANTY against defects in materials and workmanship on all Fat Boy 4 systems sold.
Performance: 20% HP Gain peak; 20 bike length gain in a 300 yard acceleration run, average.

Fat Boy 4 Complete Exhaust '06-'09 Suzuki LT-R450. Fat Boy 4 Exhaust Systems come with a FREE jet kit (for stock carburetor) included with instruction packet. No HQ muffler is available for this model. Fat Boy 4 LT-R450 systems include bolt-on turndown. Fuel Injection Modifications: The LT-R450 will start and run with Fat Boy 4 and Pro Flow air cleaner kit using the standard Fuel Injection system. But it is NOT advisable to run the machine this way. An EFI Vortex Interceptor is strongly recommended to ensure proper air-fuel mixture. Proper air-fuel mixture will help a machine to make maximum power and reliability. VORTEX EFI INTERCEPTOR: The Vortex EFI Interceptor unit is a highly sophisticated unit that offers a simple solution for attaining the proper air-fuel mixture for your modified FI Raptor. This affordable plug-in module taps into the fuel injection drive circuit from the standard ECU whilst monitoring the Throttle Position Sensor (TPS). Other Required modifications: Pro Flow Kit with K&N Air Filter, Air-fuel mixture adjustment and Vortex Interceptor. Larger C/S sprocket advisable in hard pack terrain or on with 18" tires. Performance: 20% HP Gain peak; 20 bike length gain in a 300 yard acceleration run, average. Fat Boy 4 Features: CNC Bent 308 stainless steel headers, mid-pipes and tail sections. Standard finish; brite finish. CNC machined stainless steel header flanges. Custom designed .100" wall aluminum extrusion muffler body. Standard finish satin. Front and Rear End Caps CNC machined from 6061 billet aluminum. Muffler mounts CNC machined from single piece of 6061 billet aluminum. Attached to muffler body by heli-arc weld. O-Ring Seal at tail pipe to muffler joint. All mufflers completely rebuild able and repackable. Stainless muffler cores.

Ready-Aire 1997 Clutch Install Kit
Wonderful parts 6x139 7mm Adapters Chevrolet Silverado
Mix me 2725