Pump up the volume in your 2014-2019 Ford Fiesta ST, exhaust volume that is. The Mishimoto 2014-2019 Ford Fiesta ST exhaust has an overall diameter of 2.5" to provide a subdued yet aggressive exhaust tone. The 1.6L EcoBoost under the hood of your 2014-2019 Ford Fiesta ST will thank you for letting it be heard. The optional resonated mid-pipe tones the sound back a bit to prevent drone when cruising on the highway. This 2014-2019 Ford Fiesta ST exhaust is constructed completely of mandrel-bent 304 stainless steel, for smooth exhaust flow and maximum durability. You won't have to worry about this exhaust rusting out and plaguing your system with exhaust leaks. The Mishimoto 2014-2019 Ford Fiesta ST exhaust is customizable, as you can choose from polished, black, or burnt titanium tips. Installation can be accomplished in under one hour to get your 2014-2019 Ford Fiesta ST back on the road in no time. Combine this exhaust with the 2014-2019 Ford Fiesta ST Downpipe for a complete performance exhaust system. The Mishimoto Lifetime Warranty guarantees precision craftsmanship, to keep your Fiesta's volume cranked up at all times.