Audi S6 Tuning Box Kit Improves Horsepower on the 4.0L Twin Turbo VRTuned.com May 16, 2016 Product Info Audi's 4.0L twin turbocharged engine that is found in the new S6 is a menacing beast with 420bhp stock. Audi S6 Tuning can yield some very impressive gains via a ECU flash or tuning box. For those looking to...
Audi S6 Avant V8 ECU Flashed and Tuned by VR VRTuned.com June 3, 2015 Company News, Product Info The big 4.2L V8 in the Audi S6 and S4 has been a very popular platform with all its torque and grunt. Though most would still prefer the old B5 2.7 Turbo, the S6 V8 is definitely still good. This...
