R-Tec engine upgrades & performance tuning solutions offer the very best in ECU re-programming (Remaps), tuning boxes and more, all with a while-you-wait service that is second to none. Whether you need an off the shelf diesel tuning box that safely over-rides your current ECU to give you more performance (and often economy), or you want a bespoke remap, we are the UK's number one. Call today or buy online for the very best in engine upgrades & performance tuning. If you have any questions related to Engine Upgrades & Performance Tuning, please contact us.
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