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FD51 Cobra Sport Fiesta ST 180 Cat Back Sports Exhaust

Part number: FD51

Fiesta ST 180 Performance Exhaust.

Pipework - 2.5" (63.5mm) bore.

Tailpipes - Twin 3" (76.2mm) (TP57).

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Cobra Sport exhausts systems come with a lifetime warranty for the original purchaser, giving you ultimate peace of mind.

All Cobra Sport exhausts are manufactured in the UK from certified grade 304 stainless steel and TIG welded for a superior quality finish.

EML lights may activate after removing the standard O/E catalyst. An ECU Re-map is recommended to correct this problem and stabilise all power increases.

For any questions, queries or simply for our advice on these products call us on 1300 161 363

Product Description


Please select your preferred tailpipe option (see image for details).

Cobra Sport performance exhausts enhance the sound, looks and quality of your vehicle giving you the ultimate driving experience. Our sports exhausts range is fully guaranteed to give you assurance of our quality.

These Fiesta ST performance exhausts are made in 2.5"/63.5mm pipework and fit from the catalytic converter section backwards (Cat-back) these exhausts replace the centre and rear sections.

This non-resonated exhaust makes the system louder as it excludes the centre silencer and therefore, has a sportier exhaust note. This exhaust however, is also available as a resonated version (including centre silencer) which is a quieter option.

All relevant fittings and gaskets are supplied.

Cobra Sport Product Review

The team at Cobra Sport couldn’t wait to get their hands on the new Ford Fiesta ST and straight from the showroom this car was delivered to us for development of the exhaust. This car is surely set to be one of the best hot hatches ever to be sold and would definitely benefit from the added excitement which a Cobra Sport exhaust can deliver.

The system benefits from all of the usual Cobra Sport refinements with mandrel bent, TIG welded, grade 304 stainless steel used throughout the systems as standard. You can be assured of only the best quality in a Cobra Sport system. Matt Thomas, Sales Manager at Cobra Sport says “The new ST system has provided us with some exciting results, independent testing has revealed that the 3” Turbo back upgrade produces an additional 13bhp from the standard system with a 10% increase in torque.

A substantial weight saving can also be achieved wit the 2.5” cat back system providing a whopping 17.2% decrease in weight from the Original Equipment version. Overall the Cobra Sport system makes a great car even better”. The styling of the system is finished off with either a subtle ‘OE look’ twin 3” slash-cut tailpipe or for something a little different there is a 3.5” outward rolled option on offer. Both tailpipes come in a highly polished 304 stainless steel finish.

Related Media Files

Example of Fiesta ST sports exhaust, the first clip is 3" turbo back exhaust (Non-resonated & de-cat version), followed by 2.5" cat back exhaust (non-resonated).

Example of Fiesta ST 180 sports exhaust (2.5" Cat-back with non-resonated option).

Example of Fiesta ST sports exhaust (3" turbo back system with sports cat & non-resonated options).

Cobra Sport Exhausts Ford promotional video.


a very nice exhaust for the fiesta stReview by slim
After looking at several alternatives of exhausts for the Fiesta ST 180, I decided on a Cobra Cat Back 2.5" bore Non-Resonated Twin Tailpipe. Its a straight like for like fit as the OEM exhaust, the 3" tail pipes look great with the cobra name etched on and stick out from under the rear valance just right. It has a deep kind of raw power sound which suites the character of the Fiesta ST 180. The rear box and tail pipes polish up a treat using "Autosol metal polish". I`m very happy with the exhaust! :) (Posted on 24/01/2015)

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