R Style Performance built this high horsepower but very relible audi s4. Still on stock block but making 650+ crank hp. Running a gt3582 on 22 psi until they build the motor. This car has already beat another s4 with rs6 turbos and a 650 horsepower ford lightning.

Author: xtjentx
Keywords: Audi S4 Single Turbo
Added: March 1, 2009

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