2009-2013 C6 Corvette LS3, LS7 or LS9 90mm throttle body.A brand new, reworked part (0 miles / BNIB).Wide-open throttle flow: 1600 +/- 50 SCFM @ 20” H2O at WOT. 20% increase over OEM.Lower weight-to-power ratio at part throttle, forfor 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, while keeping the idle function undisturbed (no hesitation or stumble).Does not require tuning.Warranty safe.More air/power at every throttle position after idle.Crucial for starting or expanding power gain modifications.Optimized active contours with sonic flow nozzles.Porting taper andupstream bore with velocity stack.Greater discharge coefficient of plate/blade interface.