MTM turns up the wick on the 2010 Audi S4

[Leadfoot]

That is a lot of hp from just an ecu. But maybe this engine is that good..?

I imagine it's more a case of Audi being very, very conservative about it's true output figures.

[Marv]

I imagine it's more a case of Audi being very, very conservative about it's true output figures.

Spot on Leadie. At least in my case anyway.
I had the MTM upgrade put on my S4 at the beginning of last week. The dyno on the car before the upgrade showed 347bhp!
Dyno with the upgrade was over 400bhp but by the time we were doing the testing it was getting too hot to get good readings (~32 degrees C in south of england last week). I'm going back next week for a propper dyno run. I'll post the graphs when I have them.