Not sure which 2004 Mercury Mountaineer Air Intake Systems are right for you? We have over 20796 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:
"I have a 2006 jeep Grand Cherokee.Installation was easy and did not affect the SUV's computer.Perfect fit and looks great! Best of all, is the improvement in gas milage and power increase over 3,000 RPMs.Highly recommended!
Ken " —Kenneth E. L from Orange, CT bought a K&N 77 Series Metal Intake Kit for a 2004 Mercury Mountaineer.