Impressive horse power and torque gains on any engine and exceptional gains seen on engines running modified and/or ported cylinder heads along with intakes and larger throttle bodies. The one piece design, creates a clean look and eases installation when compared to the industry standard multi stack up construction. Features lengthened intake runners for increased air velocity, delivering added volume for a balanced dynamic flow. Features a high flow billet aluminum velocity stack with optimal opening diameter, outer lip and internal (ID) taper. Set up with OEM-style cylinder head breathing, routing into the intake with optimized vent hole locations. With performance in mind, a convertible backing plate offering optional cylinder head venting. Includes a high flow washable/reusable 2.5" wide air filter and one-piece billet cage. Developed and designed on the flow bench, and dyno-tested. Made in the USA.