BBK Performance throttle Intakes are a patented design to be a direct replacement for the restrictive stock factory intake plenum and throttle body. All BBK Power Plus throttle intakes offer OEM drive ability but with up to 30 improved airflow for improved horsepower, torque and throttle response. Every BBK throttle intake is CNC Machined from a new high quality 356 aluminum casting and assembled with features like OEM style die stamped throttle linkages, double sealed bearings, and o ringed throttle shafts to make every BBK throttle intake the best on the market today. No tune is required 50 State Legal - CARB Approved