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17 reviews

2709-CBE-AA

GPF-back Exhaust [Mk8 Fiesta ST]

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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: Pre-September 2020 models use a three-bolt valve-motor fixing (see valve assembly guide here). 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.

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 17 Reviews
5 ★
88% 
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4 ★
12% 
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Filter Reviews:
    AP
    01/04/2022
    Andrew P.
    United Kingdom United Kingdom

    GPF-back Exhaust

    A stunning exhaust system that has been engineered beautifully by Mountune. The performance gains are exactly as stated, looks great too with enhanced sound and without unwanted drone while driving at motorway speed. Highly recommend.

    CR
    24/01/2022
    Carl R.
    United Kingdom United Kingdom

    upgrade

    excellent service

    B
    04/01/2022
    B.J
    United Kingdom United Kingdom

    Actual Carbon

    Fantastic product, I've gone all out mountune on my Fiesta, so this had to be the one for me. Had it fitted by FJRS and I'm really happy with it. Not offensively loud as reviewed, although I was hoping it might have been a tad louder, so other brands might be worth considering if purely looking for noise. But having waited for mountune to develop this exhaust since the Fiesta ST release, this works well with all the mountune upgrades and knowing it has been designed engineered with performance gains in mind.