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AudiTuning

APS Sportec reveals the 425HP Audi S5 “Stage One”

The German model Audi S5 received the attention of the Swiss people at APS Sportec, the tuners developing a performane tuning kit that succeeds to increase significantly the horsepower amount of the V6 3.0-liter engine. In order to achieve the performance that will told you in few seconds, the APS Sportec tuning house recalibrated the ECU unit but also changed...