B8 Audi A4 Avant Gets S4 Powertrain Swap for Max Performance

This Audi A4 Avant S4 clone mimics something that wasn't sold in the U.S., and the results are quite impressive.

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Hi guys!How to start tuning? Its my bone stock A4. Looking to add

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B8 Audi A4 Avant Gets S4 Powertrain Swap for Max Performance

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