From Quattro to TT to R8, here’s the history of Audi’s top performers ... and of course a custom tune. Altogether, it was good for a wild 375 hp and 325 lb-ft of torque.

This time not only is the bell tolling for the Audi R8 and Lamborghini Huracán, but also for the spectacular naturally aspirated V10 engine that powers them. It doesn’t take long to find our ...