Video: Heffner Performance Twin Turbo Audi R8 on the Street

Last month, the folks at Heffner Performance teased us with a look at the world's first twin turbo Audi R8. Now, the Heffner Twin Turbo Audi R8 has come off of the dyno and has hit the streets. Watch as the 620 horsepower beast runs 2nd through 4th gears.



Source: Heffner Performance (YouTube)