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2016 Dodge Charger SRT Hellcat by Geiger Cars

German tuner provides extra power for an American powerhouse

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2016 Dodge Viper ACR by Geiger Cars

German tuner puts some extra hot sauce on the Viper ACR's V-10 engine

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2016 Ford Mustang GT 820 By Geiger Cars

German tuner gives American muscle a shot in the arm

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