70-76 Firebird Dual Snorkel Air Cleaner W/ Black Lid Ram Air III / HO 400 / 455 | eBay
DazeCars, True Ram Air (Thunderbolt Style)
HEMI Cross Ram Air Cleaners - Moparts Forums
About Ram Air Box
Lid - Air Cleaner - Ram Air - 428CJ - Used ~ 1968 Mercury Cougar / 1968 Ford Mustang ( 1968 Mercury Cougar, 1968 Ford Mustang ) at West Coast Classic Cougar :: The Definitive 1967 - 1973 Mercury Cougar Parts Source
FordMuscle - Ram Air Box Install and Testing
Information 2
About Ram Air Box
How To Install Ram Air
Stealth Aluminum Intake
Air Cleaner, Ram Air Dual Snorkel, 1971-72 GTO @ OPGI.com
1970 - 1975 Firebird Formula Dual Snorkel Ram Air Cleaner with Lid
AIR CLEANER ASSY, Dual Snorkel w/ black cover, repro - #C-3402-260A - National Parts Depot
70-75 Pontiac Carb Ram Air Cleaner 455 HO Motor Heat Diaphragm & Flap Black Lid | eBay
1968 - 1969 Camaro Cross Ram Kit, Intake Carburetors and Air Cleaner Assembly
1970 - 1975 Firebird Formula Dual Snorkel Ram Air Cleaner with Lid