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64 reviews


Exhaust Isolator [Mk7/Mk8 Fiesta ST]

The mountune uprated Exhaust Isolator helps ensure accurate alignment, particularly when attempting to DIY install the mountune cat-back exhaust for either the Mk7 or Mk8 Fiesta ST, without proper access to the underside of the vehicle.

The exhaust isolator features a higher shore hardness compared to the OE isolators, which helps to reduce movement of the rear resonator, whilst transmitting minimal additional NVH into the cabin of the car.


  • Allows for easier DIY installation of cat-back exhaust
  • Minimises rear resonator movement
  • Uprated shore hardness
  • Minimal increase to NVH
  • Sized to fit and complement the mountunemk7 cat-back exhaust hanger
  • Sized to fit and complement the mountune mk8 GPF-back exhaust hanger

Please note: Isolator sold individually. We suggest purchasing two isolators, to be used with the silencer only.

Customer Reviews
4.9 Based on 64 Reviews
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Filter Reviews:
    United Kingdom United Kingdom
    Exhaust isolator

    Yet again delivery was very fast , purchased these exhaust isolators in the Easter sale waiting for fiesta cat back to come in stock , all fitted now with exhaust top quality product, well pleased thanks everyone yet again see you soon

    Melanie F.
    United Kingdom United Kingdom
    Exhaust isolator

    Did have to wait a while for it to come back into stock but according to the other half, well worth the wait! The car has a lovely burble to it now. It was very well made and packaged and easy to fit

    mountune Exhaust Isolator [Mk7/Mk8 Fiesta ST] Review
    United Kingdom United Kingdom
    Exhaust Isolators

    Noticeably stronger and more rigid than stock, upgraded following recommendations from others.