![Fabspeed XperTune Performance Software For Audi SQ8 [FS.AUD.SQ8.ECU]](https://diamondusedparts.com/wp-content/uploads/2026/04/fabspeed-xpertune-performance-software-for-audi-sq8-fsaudsq8ecu.jpg)
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Fabspeed XperTune for the Audi SQ8 optimizes sensor strategies, air/fuel targets, and boost control to increase horsepower, torque, and throttle response while maintaining OEM-level reliability. Dyno-developed as a global-spec map, it’s engineered to add 70+ hp for a stronger, more linear pull without sacrificing daily refinement.
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![Fabspeed XperTune Performance Software For C8 Audi RS6 & RS7 [FS.AUD.RSXC8.ECU]](https://diamondusedparts.com/wp-content/uploads/2026/04/fabspeed-xpertune-performance-software-for-c8-audi-rs6-rs7-fsaudrsxc8ecu-430x288.jpg)
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