The Mariah Cold Airbox is designed to help isolate the air being pulled into the intake from the heated air of the engine compartment. We offer the cold airbox package in several forms. Application Part # Price [$] Mariah Cold Airbox Kit 1986-1992 Turbo II & Non-Turbo (This is a "do-it-yourself" kit for those people who have already modified their intake system in one way or another. Package includes a Mariah closeout panel assembly & installation hardware Only) 1624 120 Mariah Cold Airbox and K&N FIPK Package 1986-1988 Turbo II & Non-Turbo (This package includes a complete, emissions legal, K&N Fuel Injection Performance Kit and a Mariah closeout panel assembly and all other necessary hardware for installation.) 0989 381 Mariah Cold Airbox and K&N FIPK Package 1989-1992 Turbo II & Non-Turbo (This package includes a complete, emissions legal, K&N Fuel Injection Performance Kit. a Mariah closeout panel assembly and all other necessary hardware for installation.) 1070 353 Mariah Cold Airbox and Universal Air Filter Pkg 1986-1988 Turbo II & Non-Turbo (This package includes a universal K&N air filter, a Mariah closeout panel assembly and all other necessary hardware for installation.) 1627E 239 Mariah Cold Airbox and Universal Air Filter Pkg 1989-1992 Turbo II & Non-Turbo (This package includes a universal K&N air filter, a Mariah closeout panel assembly and all other necessary hardware for installation.) 1069E 212