The new mountune EC Approved GPF-back exhaust for the Mk8/ Mk8.5 Fiesta ST gives the 3-cylinder EcoBoost a much more befitting soundtrack, reduces back-pressure and enhances vehicle aesthetics.

Constructed from 70mm 304 stainless steel, the mountune EC Approved GPF-back system improves vehicle performance thanks to the low-back pressure design, whilst the carefully engineered muffler features a Helmholtz resonator which ensures the cabin remains free from unwanted drone or boom.

The mountune GPF-back also comes supplied complete with a new exhaust valve assembly, so you can easily swap your actuator across to retain full valve control.

This system also includes an adaptor to join it to the OE exhaust - not shown.

PLEASE NOTE: Pre-September 2020 models use a three-bolt valve-motor fixing. Post-September 2020 models use a single bolt fixing. Please ensure you confirm on your vehicle if you're not sure which you need and then select the correct option required when ordering.

HQ fitting time: 2.5 hrs

Please note: the price shown for this product includes installation at mountune HQ only, and is not transferrable to any other dealer or installer.

Please specify your preferred installation date in the 'notes' section when checking-out; our workshop team will then contact you to confirm this date. If we can't accommodate your preferred choice, the team will discuss other available dates.