The Hummer H3 GT Alpha achieves its additional power by means of a Geiger Tuning Kit, which raises the engine’s maximum performance to 300 bhp. The engine produces a peak torque of 3876 in-lbs, which allows the 2.3 ton Hummer to effortlessly reach a top speed of 124 mph. GeigerCars.de has employed three specific components to produce this performance upgrade: software for the engine and transmission, a sport air filter, and a complete stainless steel high performance exhaust system. The distinctive sound emitted from its impressive tailpipes is synonymous with focused power
