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Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Installation is done through the OBD II -port
CLASS GL (X 164) 500 [2 Filters Required] (HP: 388 | Year: 06 >)
7 at 5670 rpm max
After changing and saving the settings
0 at 5510 rpm + 9
R1 Performance Package for McLaren 650S alfa-romeo-stelvio-quadrifoglio--949---2018-2023--2-9-bi-turbo-v6-esr9101504 Installation is done through theR1 Performance Package for the McLaren 650S. Includes RENNtech ECU Upgrade and Akrapovic Slip On Titanium Exhaust System. RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver
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