Ford Focus RS Mk3 Tuning

Everything you need to make your Focus RS Mk3 faster, handle better and turn more heads.

Ford Focus RS Mk3 Tuning

Everything you need to make your Focus RS Mk3 faster, handle better and turn more heads.

The heritage and experience to realise your vision

Focus RS MK3 Tuning


Tell us your goals and our expert team will help you to plan how to get there. We have over 40 years of motorsport heritage. We know fast cars! Read about our planning service.


From turbos to bodykits, our expert team of engineers are here to help. Introducing ‘The Doctor’! View our team.

Buy Online

You’ll find a wealth of Focus RS products at our online store. If you don’t find what you’re looking for, give us a call. Visit the AET Motorsport online store.


We’ve taken the Focus RS engine right the way up to 400bhp, without over stressing the engine or the custom hybrid turbo we install. The car can still achieve 45 mpg (if you can manage to keep your foot off the loud pedal).


If you are looking to go fast or looking for the perfect stance, We can offer springs or fully adjustable coilovers, advice guidance and fitting service.


Looking to turn heads? You have come to the right place we can offer you some of the best cosmetic products on the market.

Need help with your Focus RS Mk3? We're ready to help...

The AET Motorsport Dyno

When in the search for more power a dyno is the best way to gather extensive data, Here at AET Motorsport we have a bespoke dyno cell housing a Dyna Pack hub dyno capable of 2wd and 4wd vehicle capable of handling up to 2000 bhp

Read more about our dyno

Drove over 4 hours to AET motorsport and back today and have to say it was worth it! It’s like a new car with the Peron Stage 2 fitted and my average MPG has gone through the roof somehow?
Milltek is silent on the motorway but sounds lovely on the overrun and when it’s revving. Great service and top quality products!

Jack Roberts

15th December 2016

From our motorsport blog

Abarth 595 Turismo | Stage 3 hybrid package

We are pleased to announce that we have been working hard on a tuning package for the Fiat 500 Abarth euro 6 models. All the work was developed on a 2017 Abarth 595 Turismo. The vehicle came to us as a stock 2017 car having only covered 2000 miles. As with all our...

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Autosport International 2018

Autosport International 2018 was very much the same as last year for us in the way of what was on display except this year VOODOOPA1 made an appearance. It's crazy to think that last year we all attended ASI17 in search of suppliers and products we could use, not...

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Ford Fiesta ST | PERON Stage 2 Pro

Stephen drove from Swansea to have his Fiesta ST upgraded to PERON stage 2 Pro. This upgrade has an increased boot pressures of up to 1.55bar with a small amount of advancement to the ignition timing over the PERON Stage 2 map. These changes saw Stephens car produce...

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