Want more power, torque or economy from your vehicle? With the TDI Tuning Tuning Box, you can greatly improve your vehicle performance. Connect to your TDI-Tuning system to instantly change the performance of your engine and adapt your vehicle to suit any situation. You can expect up to 40% more power from your engine - Up-to 20% better fuel efficiency - Completely traceless once removed - Refined driving experience - Optional Bluetooth connectivity (please message) - UK Design & Manufacture.

Cutting Edge Tuning Technology


TDI Tuning's CRTD4 Tuning Box is at the cutting edge of digital tuning box technology and represents a revolution in vehicle performance chip tuning. Based on micro-processor architecture, the CRTD4 Tuning Box remaps vehicle performance moment by moment by interfacing with your engine via our connection harness which just plugs in.

A Revolution in Vehicle Performance Tuning


The CRTD4 Tuning Box transforms the everyday driving experience by increasing available Power and Torque whilst remapping power delivery, increasing responsiveness and eliminating flat spots in individual gear acceleration arcs. On top of this in many cases the CRTD4 reduces turbo lag for the vehicle which further boosts vehicle responsiveness and acceleration performance as well as smoothness of power and torque delivery creating the best possible performance remap experience.

Can't find what you're looking for?
Odds are we can get it! Click Here Now