S&S unveils a NEW line of high performance intake systems for Harley-Davidson® Twin Cam 88® motorcycles. This new S&S Stealth air cleaner kit for 1999-'06 carbureted Twin Cam 88® and 2001-UP Delphi EFI (except 08-UP throttle by wire), make a powerful statement about style and performance. The air cleaner alone will increase 2-4 horsepower over stock. Increase your horsepower to 10 hp over stock with the addition of S&S performance slip on mufflers (sold separately). Comes complete with Airstream cover, Stealth air cleaner, and mounting hardware. Features and Benefits: •Can be used with stock cover or several S&S designed covers. •Air directional stinger cone in the filter. •High flow (1" taller) filter kit available. S&S Airstream Air Cleaner Cover •An updated version of the speed inspired S&S teardrop shape. •Screened vent for more air without sucking in rain/road hazards. •Steel construction.