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2709-CBE-AA

GPF-back Exhaust [Mk8 Fiesta ST]

Trim Finish

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

Constructed from 60mm 304 stainless steel, the mountune 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.

Available with either a polished stainless or carbon fibre trim option to suit your individual preference.

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

PLEASE NOTE: Vehicles built after September 2020 use a revised exhaust / exhaust valve assembly which makes our current GPF-back valved exhaust non-compatible. Support for this latest level will be made available soon. If you are unsure please email us with your VIN and we will check compatibility for you.

DETAIL TO THE TIP

From the GPF all the way to your choice of polished stainless, or carbon fibre trims, the mountune exhaust system delivers when it comes to quality and detail; from the beautiful TIG welds and engineered features on the outside, to the drone-reducing Helmholtz resonator on the inside, we've got you covered.

Customer Reviews
4.9 Based on 9 Reviews
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Filter Reviews:
    WC
    10/05/2021
    Will C.
    United Kingdom United Kingdom
    Stainless Tips

    A really nice upgrade over the stock exhaust. A deeper note in ‘Sport’ mode without being over the top. Stainless tips look really good against my Performance Blue paintwork.

    W
    06/05/2021
    Will
    United Kingdom United Kingdom
    GPF Back Stainless Tips

    Looks and sounds awesome - as others have said, there is a certain subtlety that gives a sportier note without going over the top. I’m looking forward to adding the M235 Kit and hoping it sounds even better after the install. The chrome tips look great against my Performance Blue paintwork. I did have an issue with the actuator (moved across from the stock exhaust) and the valve not quite lining up which involved having to make some slight modification to the included spring clip, but Mountune’s customer service and support has been excellent.

    A
    19/04/2021
    Anonymous
    Denmark Denmark
    Polished power

    Easy fit but though bit tricky to the assembly sealed up good. Definitely a power upgrade, the exhaust note has gone deep, and pops and bangs are little explosions. The polished tips match the magnetic grey perfectly.

    mountune GPF-back Exhaust [Mk8 Fiesta ST] Review