All they need to keep fines out is this nickle o-ring. You can add grease to base of af mount too but didnt see a reason to to date. Been doing this on these since 2022.
So one going in right away too.
Tune was so off from factory again. Idle 4400, lazy bogging L Side to lean. H to fat in Mid 11’s again.
So a real Turd if someone bought it to use. As is. Smh.
I’ve had 2 now I would throw if tried to use the way they came. Horrible not usable at all.