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 particular customer has a beautiful S6 Avant that he wanted more power to. The Avant is rare to see and even in a S platform. The VR Tuned ECU Flash is a perfect upgrade for this machine. Being able to raise the speed limiter for autobahn style cruising, increase the torque limiter for immediate response, with additional features such as decat for racing exhausts, the VR Tuned ECU Flash can do it all on the Audi S6 vehicle. Check out the pics of our customers car and his flashing process. You can view all the Audi ECU Tuning Products Here. Leave a Reply Cancel ReplyYou must be logged in to post a comment.