Audi A7 A8 3.0 4.0 4.2 TDI CR Performance & Economy Diesel Tuning Chip Box

CR TECH - MULTI-MAP DIGITAL MICROPROCESSOR TUNING MODULE. Once fitted, our tuning modules aim to give you more usable power and much more available torque. As a by-product of this, your turbo lag will be greatly reduced making the car much nicer to drive.

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