Not sure which 2002 Infiniti QX4 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 have K&N Air filters in 8 cars currently, and have had them in my last 6 before that. They add horsepower, refined engine performance, and a little fuel economy. There is also the Million Mile Guarantee, and the convienience of never having to change the air filter. Great Product!!!!
Will have on every car I buy." —Charles F from Gates Mills, OH bought a K&N Air Filters for a 2002 Infiniti QX4.