RENNtech ECU HHT Upgrade for GL 550 X164 | 402 HP / 405 LB-FT porsche-911--992---2018-present--carrera-4s---cabriolet-esr9749945 RENNtech Fixed Wing MOdule for

RENNtech Fixed Wing MOdule for X290 - AMG GT 4-Door Coupe factory deployable spoiler

the entire power and torque curve is shifted upward delivering +50 HP +88 LB-FT in the Porsche Cayenne Turbo 4

Android support limited

W166 - GLE63 AMG SUV

Macan GTS (95B | MY2016-18)

RENNtech ECU HHT Upgrade for GL 550 X164 | 402 HP / 405 LB-FT porsche-911--992---2018-present--carrera-4s---cabriolet-esr9749945 RENNtech Fixed Wing MOdule forRENNtech ECU HHT Upgrade for 164 GL 550. Up to 402HP, 405LB FT. Gains: +20HP & 14LB FT 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 reliability. RENNtech tuning software