Not sure which 2011 Mazda 3 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:
"It does help a little bit with gas miles(+2to4), car respond better, sound good. Will worth the cost in another 6 months and longer run. I like it." —Phuoc V from Milpitas, CA bought an Injen SP Series Cold Air Intake for a 2011 Mazda 3, 2.5L 4-cyl. engine.