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TestimonialsIf you own an A8 this calibration is worth it for the transmission programming alone. It has turned my 8L90 into a hyper-aggressive monster and I absolutely love it! The car certai…video of my 2014 malibu lt 2.5 before and after tune. 80mph-120mph https://youtu.be/PTY1Q7HxQuUAwesome tune. Never thought there would be that much of an increase of power to my 2016 Cruze. Night and day difference. And the support is excellent. Every question I had they ans…Felt like a completely different car after the tune. Awesome throttle response much better overall performance.