| 1967 | Chevrolet | Camaro | Base, RS, SS, Z28 | 3.8L I6, 4.1L I6, 4.9L V8, 5.3L V8, 5.7L V8, 6.5L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1968 | Chevrolet | Camaro | Base, RS, SS, Z28 | 3.8L I6, 4.1L I6, 4.9L V8, 5.3L V8, 5.4L V8, 5.7L V8, 6.5L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1969 | Chevrolet | Camaro | Base, RS, SS, Z28 | 3.8L I6, 4.1L I6, 4.9L V8, 5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8, 6.5L V8, 7.0L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1970 - 1972 | Chevrolet | Camaro | Base, RS, SS, Z28 | 4.1L I6, 5.0L V8, 5.7L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1973 | Chevrolet | Camaro | Base, LT, RS, Z28 | 4.1L I6, 5.0L V8, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1974 | Chevrolet | Camaro | Base, LT, Z28 | 4.1L I6, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1975 | Chevrolet | Camaro | Base, LT, RS | 4.1L I6, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1976 | Chevrolet | Camaro | Base, LT, LT Rally Sport, Rally Sport | 4.1L I6, 5.0L V8, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1977 - 1978 | Chevrolet | Camaro | Base, LT, LT Rally Sport, Rally Sport, Z28 | 4.1L I6, 5.0L V8, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1979 | Chevrolet | Camaro | Base, Berlinetta, Rally Sport, Z28 | 4.1L I6, 5.0L V8, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1980 | Chevrolet | Camaro | Base, Berlinetta, Rally Sport, Z28 | 3.8L V6, 4.4L V8, 5.0L V8, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1981 | Chevrolet | Camaro | Berlinetta, Sport, Z28 | 3.8L V6, 4.4L V8, 5.0L V8, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1968 | Chevrolet | Chevy II | Nova | 3.8L I6, 4.1L I6, 5.0L V8, 5.3L V8, 5.4L V8, 5.7L V8, 6.5L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1969 | Chevrolet | Nova | Base | 3.8L I6, 4.1L I6, 5.0L V8, 5.7L V8, 6.5L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1970 | Chevrolet | Nova | Base | 3.8L I6, 4.1L I6, 5.0L V8, 5.7L V8, 6.5L V8, 6.6L V8, 7.4L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1971 | Chevrolet | Nova | Base | 4.1L I6, 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1972 | Chevrolet | Nova | Base | 4.1L I6, 5.0L V8, 5.7L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1973 | Chevrolet | Nova | Base, Custom | 4.1L I6, 5.0L V8, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1974 | Chevrolet | Nova | Base, Custom | 4.1L I6, 5.7L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1967 | Pontiac | Firebird | 326, 400, Base, HO, Sprint | 3.8L I6, 5.3L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1968 | Pontiac | Firebird | 350, 400, Base, HO, Sprint | 4.1L I6, 5.7L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1969 | Pontiac | Firebird | 350, 350 HO, 400, Base, Sprint, Trans Am | 4.1L I6, 5.7L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1970 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 4.1L I6, 5.7L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1971 - 1976 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 4.1L I6, 5.7L V8, 6.6L V8, 7.5L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1977 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 3.8L V6, 4.9L V8, 5.0L V8, 5.7L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1978 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 3.8L V6, 5.0L V8, 5.7L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1979 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 3.8L V6, 4.9L V8, 5.0L V8, 5.7L V8, 6.6L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1980 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 3.8L V6, 4.3L V8, 4.9L V8, 5.0L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |
| 1981 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 3.8L V6, 4.3L V8, 4.4L V8, 4.9L V8, 5.0L V8 | 2.50 Inch, Dual Out Rear, Use Offset Inlet / Center Outlet Mufflers Only |