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RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal!
Their proprietary tuning module stores both the RENNtech tuned file and your vehicles stock file. The module plugs directly into the OBD2 port and delivers the file you choose directly to the ECU. Programming takes only a few minutes and the vehicle can be reflashed at any time as many times as you wish.
Works with both pre-facelift and facelift models.
Mercedes A45 AMG - RENNtech Stage 1 Hand Held Tuner Package 428bhp/417 lb-ft - Collins Performance
RENNtech Stage 1 Tuning Package consists of the following RENNtech Stage 1 Hand Held Tuner RENNtech HHT (hand held tuner) allows you the unlimited ability to switch between tuned and stock ECU programming and requires no ECU removal! Their proprietary tuning module stores both the RENNtech...
collinsperformance.com
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