Not sure which 2006 Nissan xTerra Air Filters are right for you? We have over 417 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Victor B from Jacksonville, FL said, "I have had it in about a week now. I do feel a little more throttle response. It seems like my Xterra breaths better. Overall I am please with it."