No matter how your car looks, there's no substitute for real power under the hood, and in order to squeeze all the available horsepower and torque out of this SUV on steroids, you need to be running with Hummer H3 air filters - custom fit from AutoAnything. Set aside a few minutes for a quick tour of our lifetime-reusable Hummer H3 performance air filters. They'll last longer than your rig and we have some H3 filters that can go up to 100,000 miles between cleanings. And, not only will they help max out your power, you'll get improved fuel economy.