TVS2650 Magnum GM Truck and SUV L87 6.2L Supercharger SystemTVS2650 Magnum GM Truck and SUV L87 6. 2L Supercharger System delivers instant, reliable power gains for your GM truck or SUV. Upgrade Your Ride with Magnum Supercharger Kit Moreover, this complete forced induction system transforms your GM L87 6. 2L engine instantly. Furthermore, it delivers up to 25% more horsepower and torque without sacrificing drivability. However, youll still enjoy smooth throttle response and stock like manners on the street.