S&S Cycle 170-0722A Stealth Air Stinger™ Kit with Gloss Black Teardrop for 2001-'17 Big Twin Models except Throttle by Wire Hardside 010" bore high compression pistons

010" bore high compression pistons fit 1979-'84 74" HD® big twin engines

Matching driver's backrest for superb lumbar support and riding comfort-removable and adjustable for vertical and horizontal positioning

adjustable and removable backrest

2000 Harley-Davidson Softail FXST Softail Standard

2023 Harley-Davidson Touring FLTRXSE CVO Road Glide

S&S Cycle 170-0722A Stealth Air Stinger™ Kit with Gloss Black Teardrop for 2001-'17 Big Twin Models except Throttle by Wire Hardside 010" bore high compression pistonsS&S Cycle 170 0722A The Air Stinger takes the existing high flow Stealth air cleaner and replaces the air smoothing stinger with a similarly shaped filter element. More filter surface equals a 55% gain over a factory filter in an M8. The Air Stinger filter element is washable just like the Stealth filters and designed to last for years. Applications for most Harley Davidson models from 2001 to current. 55% more air flow over stock Washable element