Manufactured by RK Sport - Part Number RK Sport 18011000, 2005-09 Mustang GTR Code Hood, NOTE: THIS HOOD SHOULD NOT BE USED WITH ANY TYPE OF GAS STRUT(S), LIFTING AND/OR HOLDING DEVICES., RK Sport Ram Air Hoods are ducted to your factory air cleaner location. Add a cold air intake to make them fully functional. On some models you simply need to install a cold air intake or open up the top of your factory air box. Product information updated on 2022-01-31