I picked up an air filter from NAPA and it did not fit properly, the angled side of the filter is not wide enough and leaves room for unfiltered air to leak into the intake. Upon return NAPA said WIX made the NAPA Gold filters and would order me a replacement since the filter that I bought was the first they sold from that location and had been on the shelf for awhile. The replacement filter had the same problem so I just ordered a filter from a different manufacturer online.