APR Presents the C7.5 RS6 and RS7 4.0 TFSI ECU Upgrade!

By: APR | 07/30/2015 < Back to Blog Home
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APR is pleased to present the ultimate engine control unit (ECU) upgrade for the C7.5 RS6 and RS7 4.0 TFSI V8. APR’s ECU upgrade is available in octane-specific variations and is conveniently flashed to the vehicle’s factory ECU through the OBD-II port without any physical modification to the factory ECU. APR’s EMCS functionality puts the control of the engine’s operation at your fingertips and allows for additional features and options to be installed to the OEM ECU.


The APR Stage I ECU Upgrade gives you higher peak numbers of 667 HP/626 FT-LBS on 93 (R+M)/2 octane and up to 691 HP/684 FT-LBS on 104 (R+M)/2 octane race fuel. As much as +127 HP and +185 FT-LBS of torque are available through the power band! Read More

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