Burly 13.5" Stiletto Shocks Dyna 91-17 BS90 Rear headpipe maintains full diameter

Rear headpipe maintains full diameter for maximum efficiency without flattening

Formulated specifically for Harley® Sportster and Big Twin applications

hole to hole on mount bracket 14-5/8"

CNC machined from billet 6061-T6 aluminium

Burly 13.5" Stiletto Shocks Dyna 91-17 BS90 Rear headpipe maintains full diameterBlack. Designed and produced to do your hard ridden Dyna justice when it comes to high end road holding performance. The Stilettos come with a quality nitrogen pressure filled damper system, added suspension travel and a dual spring set up. One set for the subtle bumps that gives it the plush ride, the other set kicks in when things get seriously rough and controls bottoming out. Fits: 91 17 Dyna