http://www.mtm-online.de/media/presse/presseberichte/presseberichte_337_Bericht.pdf
rs6 by various tuners
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Dedi La vita è troppo corta per non guidare italiano.....
Just noticed that oettinger has an upgrade as well. They believe that "The downpipes (you mean “manifolds”) does not bring any effect by the RS6 5.0. The backpressure would get a negative influence!"
What do you think about the quality of oettinger as i have yet to see any review on their car??