The age of the particulate filter is upon us, and one of the first cars to be on the receiving end is the Audi R8 4S facelift. Cars in the US managed to escape the implementation of the OPF/GPF, but their European brethren were not so fortunate…
Unlike a catalytic converter, which is a flow through device, the GPF retains bigger exhaust gas particles by forcing the gas to flow through the filter. This results in massive restriction of exhaust gas flow, which in turn results in a SIGNIFICANT reduction in volume.
The R8 is an automotive institution by this point, it’s always been the supercar for people with nothing to prove – but that V10 howl has been its party piece since the first V10 R8 was launched. Now that it’s been muted the car has lost a bit of the fizz that made it so special, but Capristo have come to the rescue yet again!
A quick word about this particular R8, this car is actually a Decennium edition R8 – a special edition model built to celebrate 10 years of the V10 R8. Based on the R8 V10 Performance Quattro, all of these models came pre-specced in a special matte Daytona Grey body colour, bronze wheels, black alcantara/leather interior, carbon fibre trims and Decennium badging. It is utterly incredible in the flesh so we felt very lucky to have been given the chance to work on it!
The stock exhaust system features a gigantic rear silencer through which exhaust gases are permanently routed – there is absolutely no way to bypass it with the standard setup. The only thing the valves on the standard system allow is for exhaust gases to exit the silencer from a second, larger exhaust pipe.
The architecture of the Capristo system is worlds apart from this, the silencing section is absolutely miniscule in comparison (barely larger than my hand!). Even when you’re on the quiet channel you still get a much beefier, more aggressive sound – the valves on the Capristo system allow for exhaust gases to bypass the silencing section ENTIRELY which means you finally have access to that legendary V10 howl that the R8 is so famous for.
The real shame about this car is that, when static, there is an artificial rev limiter at 3,000 RPM – this makes it a lot harder to show off when you’re sitting still, but you can get a feel for how dramatic the difference between the standard exhaust and the new unit is from the video we put together.
Our customer seems to be over the moon, and we’re really glad because this is an incredible piece of machinery that didn’t deserve to have it’s voice neutered in quite the way that it did.