Replacement Mid-pipe for the 2004-05′ Mazdaspeed MX-5 Miata. This 2.5″ Stainless steel mid-pipe bolts up to the existing factory downpipe. Stainless steel tubing and high flow mandrel bent design allow for more efficient air flow. You will notice an increase in boost response and quicker spool-up over the restrictive factory pipe. All tig welded for durability. Available with or without an resonator.