Not sure which 1999 Nissan Frontier Air Filters - Custom Fit is right for you? We have over 14143 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 purchased this filter with hopes of gaining horsepower and a couple of mpg's.I had heard people talk about them so I figured I would give them a try.I installed it on on a 99 frontier 4 cyl automatic and it give me an incredible 4-5 mpg's and a noticeable horsepower gain!" —Jeremy T from Spencer, TN bought a K&N Air Filters for a 1999 Nissan Frontier.
"Probably the best choice to provide adequate protection without undue restriction. I have used K&N filters on several high performance vehicles with good results." —Roger M from Shelby, NC bought a K&N Air Filters for a 1999 Nissan Frontier, 2.4L 4-cyl. engine.
"This airfilter definetly helped when I started having high fuel consumption problems. In addition it made the acceleration of my pick up truck feel almost like it was new." —Tonio D from Elgin, IL bought a K&N Air Filters for a 1999 Nissan Frontier.