Almost nothing brings so much power for so little money, like a K & N 57i Performance Kit. This kit replaces the original filter box, and dramatically reduces the air resistance. Dynamometer tests identify not only the best performance, but it will also be emphasis on torque curve, the response and the economy. All 57i kits are for the lifetime of the vehicle developed - the kit includes all bolts and brackets - A cold air system is included - including washable and reusable K & N cotton filter.