Tag Archives: SpeedFactory SF600R Dodge Challenger

SpeedFactory SF600R Dodge Challenger gets 6-speed manual, makes 600-hp

The Dodge Challenger SRT8 already makes an outstanding 425-hp but if your Atlanta based tuning company SpeedFactory, that’s not enough. Meet the new 2010 SpeedFactory SF600R Dodge Challenger – a 600-hp muscle car with a 6-speed manual. Based on the standard 6.1L HEMI V8 Dodge Challenger SRT8, SpeedFactory increased displacement to 7.0L, added a higher […]

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