Heffner Performance Audi R8 Spyder V10 Twin Turbo

It looks pretty nasty, because it is pretty nasty. It’s a Heffner Performance Audi R8 V10 Spyder Twin Turbo. We’ll just cut to the chase. Overall power is 725hp at all four wheels (541kW).

The tuning kit gives the standard Lamborghini-derived 5.2-litre V10 a pair GT35R turbochargers and plenty of custom pipe work. Power comes on at just 6psi, which means there’s still plenty of go left in the howling V10.

The Audi R8 Spyder in question is owned by a customer at Eurotech Motorsports in the US who wanted a powerful car for track days.

Jason Heffner from the Heffner Performance workshop says that the car is the most refined aftermarket twin turbo car he has ever experienced. He says the engine has been engineered to perfection.

We can’t wait to see some videos of this thing hauling at the track. Stay tuned. In the meantime, take a listen below.

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Brett is the editor and founder of PerformanceDrive. He's obsessed with driving, having played with Matchbox cars until he was tall enough to drive a real one. After initially working as a mechanic, Brett earned a degree in journalism and entered media as an editorial assistant at Top Gear Australia magazine. He then worked at CarAdvice. His dream is to live next door to the Nurburgring in Germany.