Description: There is a science to correctly sizing a throttle body, and WORKS has invested countless hours of research into this area. The result, a significant reduction in the Pressure Differential before and after the throttle body that adds horsepower to your EVO and pays even bigger dividends as you add other tuning parts. In addition, the Aperture provides quicker, crisper throttle response. WORKS leaves no part of the EVO untested and the reward is real power (10HP) out of a simple solution. Complete with new factory gasket and simple installation instructions. Price: $349* *Complete throttle body core must be provided to WORKS on an exchange basis. Or a core charge of $700 will be added and when an acceptable, complete core is returned within 30 days, the core charge will promptly be refunded. Otherwise the core charge will be used for replacement. Availability: In Stock