with 7.1825in x 5.875in x 1in Core with 0.6875in Diameter Inlet with 0.6875in Diameter Outlet
2001 GMC T7500 equipped with 7.8L L6 Diesel Turbo, 7.2L L6 Diesel Turbo
with 7.1825in x 5.875in x 1in Core with 0.6875in Diameter Inlet with 0.6875in Diameter Outlet