FM exhausts are all straight through… (Flying Miata from USA).
My custom 2.5" one is… but the internal perforated tube is vibrating as I suspect the stuffing has blown out a bit after many years…
FM exhausts are all straight through… (Flying Miata from USA).
My custom 2.5" one is… but the internal perforated tube is vibrating as I suspect the stuffing has blown out a bit after many years…