Rubber strap to clamp All 1950-52 cars All 1954-58 cars except lt pipe on some cars with dual exhaust All 1959-64 Hawks use 1 on each tailpipe

1949 Commanders on after serial 4391882 to 1954 Commander All 1950 Champions

Rear All 1947-49 Champions

1941-46 Champions

Rubber to support 1942-46 Champion 2 per car

All 1941 Champions

All 1941 Commanders

All 1941-42 Commander President All 1941-46 Champions

Rubber All 1937-46 cars All Coupe Express

1936 Dictator 6

Universal All cars trucks with 6 steel strap w6 holes Rubber insulated 1.5 2.5 pipe

no further info available