SDI Shock - Rear - Defender HD10 - 65" STMSS2521003-R Air Filter Kit with Bracket There is a visible button

There is a visible button on the bottom right side that activates the heating system

Increased travel helps protect the motor and drivetrain from the harsh shock of full throttle launches

Up to 12% more horsepower and 6% more torque (when used with Stealth Air Cleaner Kit) Deep performance rumble replaces stock whisper tone Race inspired Grand National endcap Removable dB reducer Meets J2825 sound levels (with dB reducer) Features stainless steel perforated baffle design All hardware included Made in USA

2010-2011 Harley-Davidson Wide Glide EFI FXDWGI - - 2006-2007 Harley-Davidson Softail Springer Classic EFI FLSTSCI - - 2006-2007 Harley-Davidson Softail Deuce EFI FXSTDI - - 2006 Harley-Davidson Softail Heritage EFI FLSTI - - 2006 Harley-Davidson Softail Deuce FXSTD - - 2006 Harley-Davidson Softail Deluxe FLSTN - - 2006 Harley-Davidson Softail Springer Classic FLSTSC - - 2006 Harley-Davidson Super Glide FXD35 - - 2006 Harley-Davidson Screamin' Eagle Fat Boy FLSTFSE2 - - 2006 Harley-Davidson Softail Springer EFI FXSTSI - - 2006 Harley-Davidson Low Rider FXDL - - 2006 Harley-Davidson Softail Springer FXSTS - - 2006 Harley-Davidson Softail Night Train FXSTB - - 2006 Harley-Davidson Wide Glide FXDWG - - 2006 Harley-Davidson Super Glide FXD - - 2006 Harley-Davidson Softail Standard FXST - - 2006 Harley-Davidson Softail Heritage Classic FLSTC - - 2006 Harley-Davidson Softail Heritage FLST - - 2006 Harley-Davidson Softail Fat Boy FLSTF - -

Two of the exterior pockets expand an additional 2" for extra storage

SDI Shock - Rear - Defender HD10 - 65" STMSS2521003-R Air Filter Kit with Bracket There is a visible buttonPTFE lined 28 mm spherical bearings with sealed spacers Race style quick adjust preload ring accepts any 6 mm tool and locks with pinch bolt Super high tensile light weight springs are barrel formed for bow resistance and feature automotive grade paint T6 billet aluminum shock body with hard anodized finish resists war or fade Trapezoidal threads are nearly impervious to thread damage from preload rings Hard anodizing body cap, reservoir and eyelet