When it comes to your intake system, no company has more experience and knowledge than K&N. They’ve been manufacturing quality air filters for more than 36 years, and now they are applying their know-how to cold air intake systems. Your Hummer H2 is a beast of a machine. It takes plenty of muscle from your engine to get sufficient torque and horsepower. For maximum power, you need the performance enhancement of a K&N Cold Air Intake. Cold air creates a more efficient engine environment because it is denser then hot air. That means more oxygen can flow through your engine for improved performance. To ensure the coldest air possible, K&N Cold Air Intakes include technology such as an outer shell that reduces the build up of heat. For superior air flow, these systems come with a standard 70mm intake and base flange. When it comes to increasing the power under the hood of you Hummer, you need the expertise of K&N. With more than 20 million car components sold, they have a history of solid performance. Give your H2 the best and upgrade to cold air technology. All customers should get superlative help while considering reliable parts for their car or truck. That's why we make available an always-online customer support desk to help you with your questions. If you spot a lower price elsewhere, let us know - we always beat any advertised price for auto parts.