Black Friday Sale up to 20% Off now at Beefcake Racing. (11/01 - 11/30). Thermal Research & Development has been working closely with import racing professionals to configure optimum exhaust products for both the street and the racetrack. Thermal Research & Development hand crafts their exhaust systems with maximum horsepower as their top priority over all else. Beefcake Racing is an Authorized Dealer for Thermal R&D, call 1-855-827-7223 for more info.