Fat Boy 4 Features:
- MADE in USA
- CNC Bent 304 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 rebuildable and repackable
- Stainless muffler cores.
- Optional (at additional cost) Bolt On Turndown; redirects exhaust fumes and noise toward the ground. Also required for use with spark arrestor. Attaches with 4 stainless screws (supplied) and has O-Ring seal.
DRI offers a LIFETIME WARRANTY against defects in materials and workmanship on all Fat Boy 4 systems sold. Warranty is for original purchaser only and is non-transferable. Each system is supplied with warranty registration card that must be read, signed and returned to DRI.
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