An air management system (20, 120, 220) for controlling an air suspension assembly of an automotive vehicle comprising: a pressurized air source; a manifold block coupled to said pressurized air source and including a plurality of front suspension valves and a plurality of rear suspension valves in fluid communication with said pressurized air source for controlling air flow to and from a plurality of front air springs and a plurality of rear air springs; at least one leveling assist subassembly in fluid communication with said plurality of front suspension valves and said plurality of rear suspension valves to allow air flow to and from the plurality of front air springs and the plurality of rear air springs; and an electronic control unit electrically coupled to said plurality of front suspension valves and said plurality of rear suspension valves and said at least one leveling assist subassembly for controlling a sequence of operating said at least one leveling assist subassembly and said plurality of front suspension valves and said plurality of rear suspension valves to enhance the air flow from the plurality of front air springs and the plurality of rear air springs to maintain the vehicle in a level orientation while at least one of lowering and raising the vehicle, wherein the air management system (20, 120, 220) includes an exhaust valve electrically coupled to and controlled by said electronic control unit for selectively opening and closing said exhaust valve to inhibit and allow air to pass through an exhaust outlet, wherein said at least one leveling assist subassembly includes an accumulator coupled to said manifold block for storing air and an accumulator valve electrically coupled to said electronic control unit and disposed in said manifold block and in fluid communication with said plurality of suspension valves (34, 35) characterised in that said electronic control unit is configured to open said exhaust valve to exhaust air from the plurality of front air springs and the plurality of rear air springs through said exhaust valve while lowering the vehicle and to open said accumulator valve to allow the air from the plurality of front air springs and the plurality of rear air springs, not exhausted through said exhaust valve, into said accumulator to provide enhanced exhaust flow from the plurality of front air springs and the plurality of rear air springs to maintain the vehicle in a level orientation while lowering the vehicle. a pressurized air source; a manifold block coupled to said pressurized air source and including a plurality of front suspension valves and a plurality of rear suspension valves in fluid communication with said pressurized air source for controlling air flow to and from a plurality of front air springs and a plurality of rear air springs; at least one leveling assist subassembly in fluid communication with said plurality of front suspension valves and said plurality of rear suspension valves to allow air flow to and from the plurality of front air springs and the plurality of rear air springs; and an electronic control unit electrically coupled to said plurality of front suspension valves and said plurality of rear suspension valves and said at least one leveling assist subassembly for controlling a sequence of operating said at least one leveling assist subassembly and said plurality of front suspension valves and said plurality of rear suspension valves to enhance the air flow from the plurality of front air springs and the plurality of rear air springs to maintain the vehicle in a level orientation while at least one of lowering and raising the vehicle, wherein the air management system (20, 120, 220) includes an exhaust valve electrically coupled to and controlled by said electronic control unit for selectively opening and closing said exhaust valve to inhibit and allow air to pass through an exhaust outlet, wherein said at least one leveling assist subassembly includes an accumulator coupled to said manifold block for storing air and an accumulator valve electrically coupled to said electronic control unit and disposed in said manifold block and in fluid communication with said plurality of suspension valves (34, 35) characterised in that said electronic control unit is configured to open said exhaust valve to exhaust air from the plurality of front air springs and the plurality of rear air springs through said exhaust valve while lowering the vehicle and to open said accumulator valve to allow the air from the plurality of front air springs and the plurality of rear air springs, not exhausted through said exhaust valve, into said accumulator to provide enhanced exhaust flow from the plurality of front air springs and the plurality of rear air springs to maintain the vehicle in a level orientation while lowering the vehicle.