Audi S5 Apexi Products 

Founded in Japan in 1992, APEXi has grown from just a small tuning parts manufacturer to a multi-industry international powerhouse. It ranks among the best performance parts companies alongside Greddy and HKS. An international network of tuning shops and consumers provides a steady flow of incoming information that continuously fuels the engineers at APEXi. Championship wins and racing feedback can be seen reflected throughout the product lineup.