SLP Performance - 06-09 Trailblazer SS Supercharger Package 520HP Black Finish TVS 1900 Intercooled SLP's High-Output TVS 1900 Supercharger (Black Finish) for the 2006-09 Trailblazer SS is the same technology offered in the new ZR-1 Corvette. It safely provides 7 PSI of boost, creating stump-pulling torque and neck-breaking acceleration. It increases the power and torque of the stock LS2 6.0L V8 engine at the flywheel from 400 HP to 520 HP! This Supercharger Package is emission-legal in all 50 states. E.O. Pending. Includes all hardware and installation instructions. 2006-09 Trailblazer SS Supercharger Packages Feature: Fits LS2 V8 engines. Black Finish for an OEM appearance. Fits under the stock hood without modifications. Increased torque and horsepower from idle to redline providing more power under the curve. Self contained lubrication system that is maintenance-free. Emissions-legal in all 50 states