GM Truck and SUV 4.8L/5.3L/6.0L Supercharger System TVS1900 RadixUnleash Hidden Power in Your Magnuson TVS1900 Supercharger for 2004 2006 GM Trucks Transform the performance of your 20042006 GM truck or SUV with the Magnuson TVS1900 Supercharger for 2004 2006 GM Trucks. Specifically engineered for 4. 8L, 5. 3L, and 6. 0L V8 engines, this bolt on supercharger delivers an extra 120 rear wheel horsepower and 120 lb ft of torque all while retaining factory drivability and reliability. Whether you're towing, hauling,