This listing covers model years 1947, 1948, 1949, 1950, 1951, 1952, 1953, 1954, 1955, 1956, 1957, 1958, 1959, 1960, 1961, 1962, 1963, 1964, and 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1976, 1974, and 1975 Willys/Jeeps models 2WD Trk, 4WD Trk, FC170, J-262, J-264, J-362, and J-364 Gladiator.
- MY’s 1963-65 single exhaust consists of the front exhaust pipe, rear exhaust pipe, muffler, and tailpipe.
- All other MY’s consists of the exhaust pipe, muffler, and tailpipe.