Heffner Audi R8
Video: RamSpeed Audi R8 V8 with Heffner twin-turbo kit
RamSpeed in Sydney has just finished building what is believed to be the second-ever Audi R8 in the country fitted with a Heffner twin-turbo kit. The package is installed on the V8 version of the...
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...
