Like Greddy's exhaust they carefully study each specific application to develop the ideal system; complete, easy to install, with quality construction and great fitment. Greddy Air Intake systems improve horsepower through a cool air-charge and smoothly increasing intake air-flow. Greddy's new 4-layer synthetic, deep pleated, dry filter element provide improved filtration, with long services intervals. It also provides high flow, but without sensor contamination. Manufactured and designed in association with aFe power, for USA spec vehicles. Performance gains are attributed to the use of Greddy application specific filter heat-shields, air-box covers, Greddy's new Momentum series high flow, sealed air boxes.