4" Exhaust
4″ Downpipe Back Delete Exhaust W/Muffler | 15.5-16 Duramax
431018-871CAD $1,030.00
4″ Downpipe Back Delete Exhaust No Muffler | 11-15 Duramax
431017-864NMCAD $879.99
4″ Downpipe Back Delete Exhaust w/ Muffler | 11-15 Duramax
431016-864CAD $919.99
4″ Downpipe Back Exhaust with Muffler | 01-07 Duramax
431107-801CAD $759.99
4″ Downpipe Back Exhaust no Muffler | 01-07 Duramax
431112-801NMCAD $690.00