Stage 1 2003-2007 H2 Hummer

Our Stage 1 High Performance Kit for your 2003-2007 H2 will give you an additional 79hp, increasing overall drivability and longevity. Our kit includes one RapTorq High Performance ECM and one Predator Black Air Intake System.

Predator Air Intake System

Predator is proud to offer our new Cold Air Intake. Each Intake system increases air flow by allowing more air into the engine as well as smoothing out the air flow for increased air flow and power. Dyno proven gains of up to 15hp and is 100% emission legal.

RapTorq High Performance ECM

Increase the performance of your H2 with an additional 64 hp and 79 ft/lbs of torque! Hands down the most performance available for your money. With the RapTorq H2 Computer, we adjust your speed limiter, rev limiter for a broader power band, shift points, and increase shift pressure for quicker firmer and more precise shifts. Easily installs in minutes with no computer skills. Comes with a limited lifetime warranty and a full 30 day money back guarantee. This is a core exchange item, a $500 core charge applies upon shipment. Return your stock core for a full refund within 30 days. Available for all year 6.0L H2's as well as the new 6.2L 2008 model.