
This is 1025 horsepower at the crank:

In order to hit that it took the Stage 2 turbo setup with Milletech manifolds but also ported 4.0 TFSI V8 throttle bodies:


Apparently the factory design becomes a restriction at 850+ horsepower and these are good for another 30+ horsepower.
The Klassen single turbo conversion still seems to be power champ for the 4.0 TFSI V8 platform but it seems more and more tuners are finally figuring out how to extract big power with upgraded twins.


vBulletin Message