A little over a month ago, RENNtech unveiled the C74, a menacing, wide-bodied Mercedes C63 AMG. While it looked great with its DTM-racecar-inspired bodykit, the Florida-based tuner wasn't really satisfied with how it huffed and puffed. Enter the Akrapovic full titanium exhaust system, which lightens the car by 43 lbs (20 kg) and squeezes out 12 extra ponies and 16 lb-ft (22 Nm) of torque, giving it a truly angry bellow. Check out the video after the break to hear it for yourself.
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