Get excellent acceleration and horsepower enhancements thanks to Jeep Grand Cherokee tuners from AutoAccessoriesGarage.com. Altering your Jeep Grand Cherokee's shift points, speed/rev limiters, and timing gives you the power to release extra power and fuel economy. Just plug in, make a couple key strokes, and your Jeep Grand Cherokee will immediately haul harder, accelerate faster, and possibly enhance gasoline economy. Even better, each Grand Cherokee power programmer from Auto Accessories Garage includes excellent support and excellent prices.