APR S6/S7 4.0 TFSI ECU Upgrade Teaser

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Our friends at APR are hard at work tuning the latest power plant from Ingolstadt. The twin-turbo 420 HP 4.0L TFSI V8 is incredible in stock form and one of the best engines currently available on the market. APR has brought the S6/S7 to the power levels of the S8 with just software.

Continue below to watch this 4,300 Lb S7 accelerate to 6 in the low 3′s and continue to 160 MPH. 

[Source: APR]