Spectre offers several different air intake systems for your 1968-1972 Chevy Chevelle running an LS engine. Our dual intake air intake systems are available for speed density programming and boot-in mass air flow sensors and utilize a 2-into-1 Y tube that places the air filters on the passenger and driver side. Our single inlet air intake systems are available for speed density programming, a boot-in MAFS, or a blade style MAFS and locates the air filter on either the driver or passenger side. All systems use heat shields that have been designed specifically for these vehicles. These air intake systems come with our red, blue, black or white Spectre air filters.