Circuit Werks latest Mazda Miata 1989-1993 1.6L Stainless Steel Catback Exhaust System!! Comes with hardware and both Hardware and gaskets. Removal of the Subframe brace is necessary for installation. This exhaust has a burnt tip finnish to make Your Mazda Miata stand out!! 2.25" diameter piping will help free up some pressure from the stock exhaust.