- 1967-68 Ford 6 cyl, 8 cyl single exhaust & LS/RS dual exhaust at the muffler outlet.
- 1967-71 Ford Thunderbird LS/RS dual at the muffler outlet.
- 1969-71 Lincoln Mark III LS/RS dual at the muffler outlet.
- 1967-68 Mercury 8 cyl single & LS/RS dual at the muffler outlet.