Not sure which 2004 Acura RSX 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:
"I could definitely tell a difference in my car after my CAI was installed. I got a nice little power boost and i like the sound it makes when accelerating." —Andrew H from Butler, PA bought an AEM Cold Air Intake System for a 2004 Acura RSX.