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Fabspeed XperTune for the McLaren 540C/570GT/570S recalibrates sensor strategies, air/fuel targets, and boost control to deliver roughly +76whp and +86ft-lbs while maintaining OEM-like drivability and reliability. Developed on Fabspeed’s Dynojet, it offers maps for stock cars and builds with Sport Cats, bypass pipes, exhausts, or upgraded turbos.
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