32-3/8 in. x 22-5/8 in. x 2-1/8 in. Core Inlet 2-1/2 in. Outlet 2-1/2 in. No Frame Included OEM Frame Must Be Reused.
2003 Peterbilt 387 equipped with 15.8L L6 Diesel Turbo, 14.6L L6 Diesel Turbo, 12L 6 Diesel Turbo, 12.5L 6 Diesel, 11.1L 6 Diesel, 10.8L L6 Diesel Turbo
32-3/8 in. x 22-5/8 in. x 2-1/8 in. Core Inlet 2-1/2 in. Outlet 2-1/2 in. No Frame Included OEM Frame Must Be Reused.