When it comes to making crazy power from crazy cars, the boys and girls at Heffner pretty much have the market cornered. The tuner is known for taking cars like the Lamborghini Gallardo, slapping a couple of turbos on board and hitting the dyno. The result is usually power numbers in the upper triple digits to lower quadruples, and the team fabricates exhaust headers fit for a museum – the work is just that clean. Hop the jump to have a listen at their latest project – a twin-turbo Audi R8. [Source: ZerCustoms]