Buy Speed-Buster Tuning BoxSeat Arona 2017 – 2020 1.0 TSI – 115HP

Get this fitted at JFA From as little as FREE to get this part fitted. Contact us for fitting prices.



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115BHPBefore 129BHPAfter



200NMBefore 222NMAfter


JFA Speed-Buster Tuning Module

  • Buy our safe, easy to install tuning box thats custom tuned for your vehicle.
  • Custom Tuned With Multi Channel Loom
  • 30 Day Money Back Guarantee
  • Made In Germany
  • Over 20 Years Experience
  • 2 Year Warranty On Module

Tech Specs

  • JFA Part No.
  • Manufacturer Part No.
  • Loom IDs
    A121027 LS Kabel

Easy Install, Easy uninstall

Thanks to the Plug & Play system, which is individually tailored to every vehicle, the fitting of our tuning box is possible within only a few minutes. However, if you prefer, we are happy to install the tuning box directly here, in the UK. Simply contact our support team and we will find a convenient appointment for you.


Why should you trust a tuning box?

With the development of JFA Speed-Buster you will achieve the best results that your vehicle can deliver. The modules are individually tuned for your type of vehicle and thus creates the best engine performance available while maintaining drivetrain safety. Solely by optimising the signals of the vehicle’s parameters it becomes possible to increase the current performance of your engine by 30% and to obtain 30% more torque. The implementation couldn’t be easier: Each software version is developed specifically for your type of vehicle! All our individually developed cable looms is connected to different sensors on the engine. The connection of the cable loom for specific vehicles is, fitted with genuine connectors just like the original equipment manufacturer uses.



Why choose JFA Speed-Buster for your tuning box?

For more than 20 years, Speed-Buster has been fulfilling the highest quality expectations with its tuning box. Many businesses leave Germany and relocating development, production and jobs to low-wage countries. At SPEED-BUSTER® we take a different approach: As one of Germany’s biggest tuning-box manufacturers we develop and produce exclusively in Germany, for over 20 years in fact. With enormous success: We export high volumes of our tuning electronics from Germany to destinations all over the globe.

Our international clientele appreciates that the label “Made In Germany“ is a strong guarantor of well-developed and sophisticated products. Amongst others, we serve clients from the United Kingdom, France, Italy, Spain, the Netherlands, Sweden, Norway, Finland, Thailand, China, Brazil, the USA and Australia. To further expand our innovation and quality lead in the future, SPEED-BUSTER® keeps investing in our site in Sinzig/Rhine. Our headquarters, with more than 1.000 m2 of office space and 1.500m2 of warehouse space, is equipped with highest technology production facilities.

Speed-Buster Performance Test Facility In Germany 





JFA Performance Products!

See our full range of JFA Performance tools, whether it's power or more response from your gearbox, we've got you covered!

Air Flow!

Increasing the flow of air to your engine is the easiest way to increase power and keep tho's temps down!

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