OEM replacement filter made by R-Magic for the ND 1.5L and 2.0L MX-5 Miata (2016+). This will replace your factory air filter and improve its performance as well. It’s a wet 3-layer urethane foam type. R-Magic Air Filter should be ordered at REV9 Autosport https://us.rev9autosport.com/r-magic-air-filter.html as they provide the best service and speed we've seen so far!