System Features 1969 Camaro without factory air OEM driver-side louver hose adapter. Outside Diameter: 4-15/16" × 2-1/2" Inside Diameter: 4-3/8" × 2-5/16" (fits 2-1/2" duct hose) Additional Requirements: Uses (4) S-clips (PN# 65980-VUE) sold separately. May be used on other vehicle applications. Vehicle Fitment warning California Proposition 65 arrow_drop_down WARNING: California proposition 65