Heffner Performance Twin Turbo Audi R8 2nd Through 4th Gear Pull

Heffner Performance Twin Turbo Audi R8 2nd Through 4th Gear Pull

2nd through 4th gear run on a Heffner Twin Turbo Audi R8. This car is making 6 psi on stock engine internals and makes around 620 horsepower at the flywheel.

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