COOLANT EXPANSION TANK, MUSTANG GT 2015-up ; Direct bolt-in replacement to stock 2 piece plastic tank; Fabricated Aluminum for strength, factory tanks fail after repeated high heat situations ; This Aluminum tank can be polished, chromed, painted, powder coated or left as is for a race look. ; Uses factory stock vented cap, bleeds pressure like the factory intended; Billet aluminum neck has a built-in overflow like the factory tank ; Integral billet aluminum hose fittings are better looking and more trouble free than screw in fittings.