| 1968 - 1969 | Chevrolet | Bel Air | Base | 6.5L V8, 7.0L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 - 1972 | Chevrolet | Bel Air | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1973 - 1974 | Chevrolet | Bel Air | Base | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1968 - 1969 | Chevrolet | Biscayne | Base | 6.5L V8, 7.0L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 - 1972 | Chevrolet | Biscayne | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1969 | Chevrolet | Brookwood | Base | 6.5L V8, 7.0L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 - 1972 | Chevrolet | Brookwood | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1967 | Chevrolet | Camaro | Base, RS, SS | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1968 | Chevrolet | Camaro | SS | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1969 | Chevrolet | Camaro | Base, RS, SS | 6.5L V8, 7.0L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 | Chevrolet | Camaro | SS | 6.6L V8 | Main Piping Diameter 1-3/4 IN |
| 1971 | Chevrolet | Camaro | Base, SS | 6.6L V8 | Main Piping Diameter 1-3/4 IN |
| 1972 | Chevrolet | Camaro | Base, SS, Z28 | 6.6L V8 | Main Piping Diameter 1-3/4 IN |
| 1968 - 1969 | Chevrolet | Caprice | Base | 6.5L V8, 7.0L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 - 1972 | Chevrolet | Caprice | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1973 - 1974 | Chevrolet | Caprice | Classic, Estate | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1965 | Chevrolet | Chevelle | Malibu Super Sport | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1966 | Chevrolet | Chevelle | Super Sport 396 | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1967 - 1969 | Chevrolet | Chevelle | SS 396 | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 | Chevrolet | Chevelle | Base, Concours, Concours Estate, Greenbrier, Malibu, Nomad, SS 396, SS 454 | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1971 - 1972 | Chevrolet | Chevelle | Base, Concours, Concours Estate, Greenbrier, Heavy Chevy, Malibu, Nomad, SS | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1973 | Chevrolet | Chevelle | Deluxe, Laguna, Laguna Estate, Malibu, Malibu Estate, SS | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1974 | Chevrolet | Chevelle | Laguna Type S-3, Malibu, Malibu Classic, Malibu Classic Estate | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1968 | Chevrolet | Chevy II | Nova | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1966 - 1967 | Chevrolet | El Camino | Base | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1968 - 1969 | Chevrolet | El Camino | Base, Custom, SS | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 | Chevrolet | El Camino | Base, Custom, SS | 6.5L V8, 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1971 - 1972 | Chevrolet | El Camino | Base, Custom, SS | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1973 - 1974 | Chevrolet | El Camino | Base, Custom, SS | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1968 - 1969 | Chevrolet | Impala | Base | 6.5L V8, 7.0L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 - 1972 | Chevrolet | Impala | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1973 - 1974 | Chevrolet | Impala | Base | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1969 | Chevrolet | Kingswood | Base, Estate | 6.5L V8, 7.0L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 - 1972 | Chevrolet | Kingswood | Base, Estate | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 - 1972 | Chevrolet | Monte Carlo | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1973 | Chevrolet | Monte Carlo | Base, Landau, S | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1974 | Chevrolet | Monte Carlo | Base, Landau | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1969 | Chevrolet | Nova | Base | 6.5L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 | Chevrolet | Nova | Base | 6.5L V8, 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1971 | Chevrolet | Nova | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1972 | Chevrolet | Nova | Base | 6.6L V8 | Main Piping Diameter 1-3/4 IN |
| 1969 | Chevrolet | Townsman | Base | 6.5L V8, 7.0L V8 | Main Piping Diameter 1-3/4 IN |
| 1970 - 1972 | Chevrolet | Townsman | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1971 | GMC | Sprint | Base | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1972 | GMC | Sprint | Base, Custom | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1973 | GMC | Sprint | Base, Custom | 7.4L V8 | Main Piping Diameter 1-3/4 IN |
| 1974 | GMC | Sprint | Base, Custom | 6.6L V8, 7.4L V8 | Main Piping Diameter 1-3/4 IN |