Email This Page Your email was sent successfully. Close Follow Viknesh [% } %] [% }); %] ]]> SpeedKore Performance Group of Grafton, Wisconsin is in the business of churning out wild muscle cars. Who could forget the company’s insane 1970 Dodge Charger? Nicknamed the Tantrum, the old-school muscle car came with a 9.0-liter Mercury Marine racing engine turbocharged to the tune of 1,650 horsepower. SpeedKore works on modern muscle, too. For example, at last year’s SEMA show, the company rolled out a 2017 Ford Mustang GT whose body was replaced entirely by carbon fiber panels developed in-house. It was one of the most talked about cars at the show and no doubt piqued the interest of more than one potential customer. We know of at least one customer who requested SpeedKore deck
