FEATURES: • Optimized Active Contours with sonic flow nozzles • Porting Taper and Upstream Bore with Velocity Stack • Greater Discharge Coefficient of Plate/Blade interface • 16 Ra Microinch, Diamond Polished Surface Finish • Self-Cleaning Throat/Flow Gap BENEFITS: • Lower weight to power ratio at part throttle, for a more nimble/spirited driving experience • Linearization and smoothing of the curve for a more predictable response and crisper shifts • Immediate response right off idle