40 Series™ Muffler for 1972-1975 Chevrolet Impala

Flowmaster 40 Series Chambered Muffler for 2001-2004 Ford Explorer

Flowmaster 42441 40 Series Performance Muffler for Cars and Trucks

Flowmaster 40 Series Chambered Muffler for 1977 Oldsmobile Cutlass

Flowmaster; 13" Original 40 Series Muffler; With 2-1/4" Offset Inlet; 2-1/4"

Flowmaster Super 40 Series Muffler MPN FLO953048 For Universal use

Flowmaster 40 Series Performance Muffler MPN FLO42543 For Universal use

Flowmaster 40 Series Performance Muffler MPN FLO42541 For Universal use