w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core w/ Inlet 2-1/2 in. w/ Outlet 2-1/2 in. No Frame Included OEM Frame Must Be Reused.
2003 Peterbilt 378 equipped with 12L 6 Diesel Turbo, 12.7L L6 Diesel Turbo/Aftercooled, 12.5L 6 Diesel, 10.8L L6 Diesel Turbo, 10.3L L6 Diesel Turbo
w/ 35-13/16 in. x 26-1/4 in. x 2-1/2 in. Core w/ Inlet 2-1/2 in. w/ Outlet 2-1/2 in. No Frame Included OEM Frame Must Be Reused.