With this tuning package, you can take your GR Yaris to the generic stage 1 level of tune.
This includes a collaboration tuning box with Milltek / DTE and an ITG panel filter.
This will unleash a considerable increase in power, this is a plug and play unit and can be removed easily for service or warranty work.
If you wish to add other items to the package, drop us an email chistechinfo@gmail.com and we can create a bespoke package for you with a variation of options for exhaust systems etc