Turn up the Volume - Cat-Back Exhaust R&D, Part 1: Initial Fabrication

Turn up the Volume - Cat-Back Exhaust R&D, Part 1: Initial Fabrication

As many of you are aware, here at Mishimoto we have been going Fiesta crazy developing various Fiesta ST parts such as;

  • Performance Aluminum Radiator
  • Oil Cooler Kit
  • Performance Air Intake
  • Direct-Fit Baffled Oil catch can
  • Downpipe and  Intercooler/Piping coming soon!

Up next is something that the team here has been very eager to start development on, the Fiesta ST Cat-Back Exhaust! We are excited to let you in on the details of the development of our first prototype. As with any exhaust project, we are shooting for improvement in flow over stock as well as a great overall tone that is drone-free. Check out the details and let us know how we did!

Stock Component

To begin, we gave the Fiesta ST's stock exhaust setup an once-over to see what we were working with. While it is not terrible, we do see some room for improvements. As you may have noticed, the stock exhaust has two mufflers. One rather

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