The next time you see a semi truck rumbling down the highway, pay attention to the vertical exhaust stacks rising up from behind the cab. These exhaust pipes aren't just for aesthetic purposes ...

It features compound turbos and is painted to match the truck. Stacks are Dynaflex five-inch miter-cut “359 OG kit,” Rethwisch said. While Luke did most of the work on the truck as far as the ...