When it comes to exhaust noises, the standard Audi R8 4.2 is quite competent. In fact, the sound it makes at 7,000rpm is quite possibly its most endearing feature. One would think that adding a couple more cylinders would only make it better, but that's not always the case with V10 engines.
 
In a Formula One car V10s can sound like a musical instrument, but there are some road cars with ten cylinders that sound more like vacuum cleaners with a penny stuck in its rotors.

The R8 5.2 is not one of those cars. It's V10 has a ripping exhaust note despite the four catalytic converters clogging the escape route. And so far, it's not too bad on the highway either. Click through to hear a few examples of what we mean.