Not sure which 2004 Hummer H2 Air Intake Systems are right for you? We have over 15237 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Here's what some of our customers have said:
"After driving about 500miles I am very happy with the Volant CAI. Not sure if its with the added bonus of a Jetchip Stage I but my hummer now has that little extra I was looking for. Thanks" —Wade L from Tiki Island, TX bought a Volant Cold Air Intakes for a 2004 Hummer H2.