Not sure which 2009 Mazda Miata/MX-5 Air Filters - Custom Fit is right for you? We have over 12082 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,I received my K&N Filter,I pulled my Stock air filter which wasn't nearly as restrictive as,some Stock Air Filters,(paper)which,came with many of,my new cars.Even so,I replaced it with with my New K & N drop-in filter.Now,all 3 Family cars run with K & N Filters!I was getting "pretty good" MPG with my Stock Air Filter, but now,I'm getting an extra 2 MPG and that's strictly,"Around Town / City driving!I fill up, only using Mid Grade,89-91 Octane Gas. The price of gas is increasing everyday and I am only,too "Pleased" with the extra 2 MPG which,equals a nice savings plus,I am noticing a bit more HP & Torque which = better Performance!I am,to say the least,"Very Pleased" with my New,K & N Filter!!" —Kris D from Belton, TX bought a K&N Air Filters for a 2009 Mazda Miata/MX-5.