Cutting Edge Performance Tuning
The CRTD4® Petrol Tuning Box for the Porsche Cayenne 4.5 Turbo 444 BHP / 450 PS / 331 KW / 620 NM / 457 LBFT from TDI-Tuning is at the cutting edge of digital tuning box technology and represents a revolution in vehicle remapping. With custom designed and engineered micro-processor architecture the CRTD4® remaps vehicle performance moment to moment based on data received via the engine sensor interface harness. The engine fuelling profile of the vehicle is then altered to improve power and torque delivery whilst eliminating flat spots in individual gear acceleration arcs, creating a smoother and more responsive drive experience.
A Revolution In Turbo Petrol Tuning
For domestic vehicle owners, the CRTD4® represents great value with its seven operation mode settings, allowing owners to adjust power and torque output between maximum economy and maximum power, perfect for switching between everyday driving and long-haul trips. Our CRTD4® range of products can also be reprogrammed for use in over 90% of other turbo Diesel and Petrol vehicles, meaning you can change your vehicle often as you want safe in the knowledge your TDI-Tuning Tuning Box can be used again.