The TDI Tuning Box Chip CRTD4 is a performance-enhancing device designed specifically for petrol Audi models such as the A3, A4, A5, and A6 with a 45 TFSI 2.0 engine. This chip tuning product from the manufacturer is a reliable solution to improve the performance of your vehicle, delivering enhanced power and efficiency. Upgrade your Audi with this high-quality tuning box chip for a smoother and more exhilarating driving experience. Had this for my A6 45 TFSI, can be re tuned for any other make and model, see their website. Made a massive difference to my A6, taking the power up to over 300BHP Selling as car has now been sold
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