Not sure which 2011 Kia Optima Air Filters are right for you? We have over 14810 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:
"K&N filters are a great product for any vehicle, I have noticed a increse in power and performance! I will recommend this filter from Auto Anything to all my friends, Thank you again for a pleasurable transaction!" —David M from Nashua, NH bought a K&N Air Filters for a 2011 Kia Optima, Turbocharged 2.0L 4-cyl. engine.