Regardless of hp claims, APR is one of the best tunes out there for the RS6. I had it on my other RS6 and its a rocket, with excellent data logs. The...
Sounds good, yep tough to get those dp's out. There are great threads on the 6mt, about $10k seems. You got some good info here. And put a water/meth...
Contact Rich@vipertuning.com. He'll code out your O2 sensors so that cel won't come up. Also have him do left foot braking. I did what he calls stage...