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2009 Sportec RS425 Audi S4 Avant Overview
Audi S4 Avant comes with a newly programmed engine control and the installation of a sports air filter coaxes a full 425 PS instead of the Audi S4 Avant standard 333 PS from the three litre V6 compressor. The maximum torque of the Audi S4 Avant has also been distinctly increased by improving the electronics. [...]
February 8, 2010 No Comments
