Like quality stage direction, our H3 cold air systems have your auto hitting its marks. Providing an instant and substantial boost to your horsepower and torque, our H3 cold air intake will have you expertly dodging and weaving past those slow pokes in no time. What's more, installing that Hummer H3 cold air is a breeze, taking as little as 30 and no more than 90 minutes of your time. And, each Hummer H3 cold air intake in stock is backed by our 90-day money back guarantee. Should that Hummer H3 cold air intake not live up to your standards, we'll send you a full reimbursement.