Extreme Duty 3" Twin Turbo Back Exhaust - 79 Series Dual Cab (10/2012 - 10/2016)Product Specifications: 3" Twin Turbo Back System Available Engine Pipe Options include with 200 Cell High Flow Diesel Spec Catalytic Converter or Without Catalytic Converter Available Sound Options include Twin 5" Round Straight Through Resonator Assembly or Twin Muffler Delete Assembly (Pipe Only) Features and Benefits: Australian Designed and Made 10 Year Warranty 409 Stainless Steel Tube 4 Bolt, 10mm Thick Flange Plates Extreme Duty Hanger