8-1/2 Inch Length x 8-1/2 Inch Width x 5.8 Inch Height Oval T304 Stainless Steel Case; Single 3 Inch Offset Inlet; Dual 3 Inch Offset Outlet; 18-1/2 Inch Overall Length; With 2 Valved Muffler/ Vacuum Control Box/ Vacuum Lines/ Single Keyed Remote/ Cigarette Lighter Power Adapter