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58 reviews


Exhaust Isolator [Mk7 Fiesta ST]

The mountune uprated Exhaust Isolator helps ensure accurate alignment, particularly when attempting to DIY install the mountune cat-back exhaust, 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 mountune cat-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 58 Reviews
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Hugh W.
United Kingdom United Kingdom
Not yet used

Ordered this item in preparation for use with the catback exhaust which I intend ordering when it is eventually back in stock and available to purchase. Item seem to be to the usual Mountune high quality and feel confident they will perform very well.

Wayne R.
United Kingdom United Kingdom

Quick delivery, hoot replacement for standard isolator and works perfect with sports cat back.

Bart V.
Belgium Belgium
Perfect exhaust isolators for silencer

The isolators keep the silencer of the exhaust in place and has the perfect stiffness to reduce vibrations. Top product.