When properly installed, air suspension can provide many years of trouble free service. Today's technology and materials have allowed even OEM manufactures to offer their cars with air suspension options, while the trucking industry rides millions of miles every year almost exclusively on air. We use similar products and technology to build our suspension kits. In addition, Air Lift torture tests all of its major components in-house on industry exclusive test equipment to ensure every aspect of reliability. And before a new kit hits the streets, we take it to the track and show it no mercy, allowing us to pinpoint any weaknesses. This comprehensive approach along with our unlimited 1 year warranty means you are getting the best made air suspension kits in the industry!