In-Car Audio: 1969 Porsche 917K

Listen to a priceless 1969 Porsche 917K and its 5-liter flat-12 air-cooled engine being warmed up in the paddock, on pit lane, and during the pace lap prior to its race with Bruce Canepa behind the wheel at Monterey.

And then climb inside the legend of legends for a blast around Mazda Raceway Laguna Seca to revel in the mechanical bliss created by Porsche's iconic Le Mans racer.