Audi R8 5.2 FSI quattro: Awesome V10 twin-turbo by Heffner

Have a look at this drool-worthy Audi R8 V10 twin-turbo mod by Heffner. A must see!

Audi R8 5.2 FSI quattro: Awesome V10 twin-turbo by Heffner was originally published on The German Car Blog on Sunday, April 10, 2011.

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3. Audi RS7 Sportback: Coming with twin-turbo V8 and 600bhp?

The German Car Blog