Stage 3 2003-2007 H2 Hummer

Our Stage 3 High Performance Kit for your 2003-2007 H2 will give you an additional 122hp, increasing overall drivability and longevity. Our kit includes one RapTorq High Performance ECM, one Predator Black Air Intake System, one Performance Exhaust System and one header set.

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.

Performance Exhaust System

Our Stainless Muffler is designed exclusively for your H2. This is not an off the shelf open exhaust that has been retrofitted for our H2. Our system has been thoroughly designed to provide you with the highest performance from 1350 RPM to 3675 RPM, the range where performance is used. The Exhaust alone gives you a whopping 24HP accompanied by a nice exhaust note under load without sacrificing interior sound levels.

Performance Header Set

Engineered with heavy duty features and patented technology, these headers deliver serious performance gains without compromising your vehicles emissions equipment. Bolting on a set of precision made Headers increases your engines breathing ability and overall efficiency. The result is a significant increase in horsepower and torque throughout the RPM range. Available in Stainless Steel Ceramic Coated. Ceramic Coated headers offer improved thermal strength and a smoother flow resulting in improved horsepower gains and lower under hood temperatures. Jet coating is available in a Polished Silver offering thermal protection up to 1400 degrees and further decreases under hood temperatures.

• 3/8" single piece laser-cut flanges
• 14 ga. chromed steel or 409 stainless steel mandrel-bent primary tubes
• Patented Collector
• Premium quality hardware included
• Easy bolt-on installation
• Will not void factory warranty
• C.A.R.B. certified 50 state smog legal
• Limited lifetime warranty
• 19hp and 24ft/lbs increase