Turner Motorsport N55/N20 Stepped Intercooler - BlackIt's a basic principle of high performance: "A cool engine is a happy engine." In addition to reducing engine temperatures, cooler air is denser. An engine works as a glorified air compressor. Denser air means a larger mass of air and fuel in the same intake volume, resulting in more power. Turner Motorsport has developed an intercooler upgrade that is far superior to the stock unit. Constructed from cast aluminum with a bar and plate design, this