• Call us on 01903 731194
  • info@devil-developments.co.uk
  • Tuning

    As a tuning specialist, we undertake all types of work on all makes and models, from a simple freshen up or ECU remap to a full blown engine rebuild.

  • Remapping

    ECU remapping to achieve better fuel economy and performance, as well as custom files or standalone/aftermarket ECU mapping.

  • RollingRoad

    We have a 2400bhp (1200bhp front wheels or 1200bhp rear) 4WD Dyno Dynamics rolling road for live ECU mapping, setups or just straight power runs.

  • Syvecs ECU

    The Syvecs standalone ECU conversion for the Mk2 Focus ST and RS is complete and it will transform the way your car drives with a list of standard features unlike anything else on the market.

  • Mk3 Syvecs

    Devil Developments are bringing the Syvecs ECU conversion to the Focus RS world once again!

  • Fabrication

    We can now design, build and fit complete, custom exhaust systems in-house.

  • SpecialOffer

    Free dyno run with every Re-map book before 1st March 2017!!
    (Excludes upgrades)


Dyno Services


About Us


Fitting Services


Sign up for news & offers

Contact us

01903 731194
Devil Developments Limited
Unit P, OYO Business Park,
Lineside Way, Littlehampton,
West Sussex BN17 7HD

©2012 All rights reserved. Devil Developments Limited. Company no: 6539523.
Registered office address: 15 Rowfant close, Worth, Crawley. RH10 7QT