Whipple Superchargers 3.0L Supercharger Tuner Kit for 2019+ Sierra/Silverado and 2021+ GM SUV 5.3L AND 6.2L

***The Vehicles that this Supercharger Tuner Kit is designed for utilize GM's "Global B" ECU architecture, which required an HPTuners Unlock and HPTuners MPVI3 in order to tune. Please purchase using the links above or contact us for more information!*** No other upgrades required, just massive power right out of the box Front entry Gen 5 W185ax (3.0 liters/3000cc) Whipple twin-screw supercharger that significantly outperforms competitions 2.3L and 2.65L roots-type systems Gen 5 supercharger features new 3x4 rotor combination for increased RPM capacity, large diameter for increased airflow and small leak path, increased helix for optimal sealing Oversized Crusher™ 112mm inlet for maximum airflow capacity and minimal rotor cavitation Massive air-to-water aluminum bar-plate intercoolers offer more cooling than any other positive displacement system available, nothing comes close High flow intercooler pump, nearly double the flow of the standard units others use Whipple Superchargers mas