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Titan Motorsports ProTune V.1 Piggyback ECU for the MKV Supra safely and reliably adds power to your MKV A90 Supra. Our exclusive tuning box arrives with a bespoke jumper harness that integrates seamlessly into your Supra engine loom with plug and play connectors. Our Pro Tune V.1 box has an integrated minicomputer taking control of key inputs to manipulate values and increase power and response in the process.The Stage 1 tune adds over 50hp and 60tq through the original exhaust, with gains of over 100hp/105tq available in Stage 2 with the addition of a Titan Motorsports downpipe (sold separately).The ProTune can be removed from the vehicle in minutes, returning the vehicle to OEM configuration and original ECU calibration for servicing. The box is not locked to the vehicles VIN and can be transferred between vehicles.• Can be installed in less than an hour.• Easily removed from the vehicle with no physical trace.• Future map upgrades for Downpipe, Meth Injection.• 7 User-Switchable Maps for fine tuning.• Leaves all OE engine fail-safes in place.