System Features This center louver replacement for 1967-68 Camaro/Firebird models with factory air includes an OEM-style barrel louver and a dual hose adapter. This louver assembly may also be installed into a vehicle without factory air but doing so requires the procurement/purchase of a factory air center dash trim plate (not included). Instructions Installation Instructions download Vehicle Fitment warning California Proposition 65 arrow_drop_down WARNING: California proposition 65