Harddrive R0800145-2 Dyna Monotube Shock 12.5" HVY For Harley Motorcycles 1991-2017 Solo Seat These mufflers have been dyno-tested

These mufflers have been dyno-tested and show a 12% increase in torque and 7% increase in power

Diagonal tie-rods keep the rails and basket secure even over rough terrain

It comes with a fitted rain cover specially designed to protect your seat from water and dirt

Product Name Exhaust System Type Full System Model Road Rage Design/Configuration 2-Into-1 System Style Short Material Aluminum / Steel Base Color Black Finish Powder-Coated Color/Finish Black / Powder-Coated Muffler Style Megaphone Muffler Diameter 4" Units Each Riding Style Street

Easy Removal

Harddrive R0800145-2 Dyna Monotube Shock 12.5" HVY For Harley Motorcycles 1991-2017 Solo Seat These mufflers have been dyno-testedHardDrive Bazooka rear shocks with RacingBros race proven SAV, Speed Adaptive Valving, damping system provides superior ride quality regardless of road conditions! Features Speed Adaptive Valving (SAV) Internal Floating Piston (IFP) stabilizes damping performance One Piece damping body construction forged from A7075 aluminum Easy set up spring preload cap, no special tool needed