HELIX POWER TOWER THROTTLE BODY SPACER Dyno tested to produce up to 20 more horsepower and better mileage! Computer-designed chambers and special channels improve efficiency and air velocity performance Raises throttle body injection unit 1" Up to 22 more HP! Up to 25-ft./lbs. more torque! 50 state legal Added height plus the unique Helix spiral flow design combine to create an airflow vortex that dramatically improves fuel atomization. The results: more horsepower, greatly increased torque and improved fuel economy. Easy to install. Works with any fuel. Helix will not affect emissions testing. Performance gains may vary depending on vehicle and driving style.