What is air suspension? An air suspension is a vehicle suspension that is driven by an electric or engine-driven air pump or compressor. The compressor pumps air into a flexible bellow, usually made of textile-reinforced rubber. The air pressure inflates the bellows and lifts the chassis off the axle. How does air suspension work? Air suspension systems replace the vehicle's coil springs with air springs that adjust instantly to different situations and varying load capacities by adding an on-board air compressor, sensors and electronic controls. MaXpeedingRods air suspension can lower your car to improve its street credibility, balance a heavy payload.