Godspeed Project MAXX 2-way Coilover Dampers for 2015 Infiniti Q40/2015-16 Infiniti Q60 offers a street-legal coilovers with track performance motorsport technology. This application is great for customers who want a versatile coilovers for daily and track duties. With preset valving, that allows separate adjustable compression and rebound damping enables customers to individually adjust to meet their driving needs. While rebound damping improves ride comfort over the conventional none-adjustable shocks, with the support of compression settings that will improve the comfort level dramatically. Featuring a steel mono-tube shock body, the electroplated finish gives it the anti-corrosion property. Paired with anodized aluminum parts, we reduce unwanted weight in order to provide great value with quality. This is the best solution for customers who want to lower their vehicle and maintain a true comfort vs. the conventional lowering spring and shock combination. Like most big brand named companies, we offer a full 12-months limited manufacture warranty. The warranty is to put you at ease and assure that you are buying top quality products.