S&S Cycle SS170-0302C Stealth Air Cleaner Kit for Sportster 07-21 w/Delphi EFIS&S Cycle Super Stock Stealth Air Cleaner Kit 170 0302C For stock and S&S fuel system applications Kits include backing plate, filter and hardware Built in stinger cone directs air smoothly into the bore of the carburetor or EFI throttle body and reduces turbulence and increases flow Optional high flow (1" taller) filter and pre filter rain sock also available Made in the U. S. A. NOTES: Kits do not come with covers. Must use with stock Twin Cam 88,