I just went to pep-boys and told them I needed a filter with a 3.5" inlet (or maybe 3"? Just measure it). Anyway, they called K&N, cross referenced it and I had a filter in my hands in about a week.
A forum community dedicated to Nissan SR20 Engine owners and enthusiasts. Come join the discussion about performance, builds, turbos, modifications, troubleshooting, maintenance, and more!