Mopar and SRT Reveal Comedian Jeff Dunham's Project Vehicle at SEMA VEGAS, Oct. 30, 2012 /PRNewswire/ -- Dunham's custom 2012 Dodge Challenger SRT8 no laughing matter New Mopar 426 crate engine, 515 horsepower / 490 lb.-ft. of torque, with just announced engine tuning capability and calibrations performed by Arrington Engines Dunham along with...


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