TDI-Tuning develops, produces and distributes performance enhancements for cars, trucks, marine and other significant sectors. TDI-Tuning is located in Chelmsford, in the United Kingdom, and has been developing ECU performance modules for over 10 years. Our tuning boxes release up to 40% extra horsepower and torque, and the CRTD4 module also increases fuel economy by up to 20% typically delivering you extra range per 100km. It's important to be aware of the differences between a dyno tune & an ECU module. Both contain dyno-derived ECU files/tunes, however one is permanent on your vehicle, the other is not. If you would like more information on what is right for your vehicle, please reach out - we are here to help! We do take our performance parts seriously, and want to ensure your vehicle is a good match; there is a lot of misconception with ECU modules against a dyno remap. In some vehicle cases, it is best to go with a dyno remap to ensure you are extracting the right amount of power and economy for you. We are here to bust any myths you may have about ECU modules - get in touch! Please also note that while we have listed the below common vehicles on NZ roads, we have the full TDI-Tuning product catalogue available and can source 99% of ECU modules for NZ market vehicles. Please reach out if you would like to see specs and pricing for your car. All our TDI-Tuning modules come with a 5 year warranty.