Not sure which 2003 Nissan Frontier Air Intake Systems are right for you? We have over 15237 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 used K&N products serverl times. Easy to install and good instructions. This is my first chromed version of their product, very sweet. Open the throttle and hear the power!! Autoanthing rocks, good pricing and shipping is lightning fast." —Chuck J from Canton, GA bought a K&N 77 Series Metal Intake Kit for a 2003 Nissan Frontier.