Product Features:For Idle to 5500 RPM Street-Driven PerformanceDual-Plane Low-Rise Intake w/180 Deg Firing OrderPatented Runner Design Ensures Broad Torque CurveExcellent Throttle Response and Mid-Range Power50-State Street Legal if Correct Carburetor UsedAccepts Late-Model Choke; Waterneck; and HEIAccepts A/C And AlternatorAccepts Exhaust Heated Chokes and Accepts EGR