throttle response over 4k


65000 RPM should have read 6500RPM ,just beating Hanso before he noticed
 
One important thing to check if it is not pulling at higher revs with WOT is the fuel filter. If it is a bit clogged then you won't be getting all the fuel you need.
 
I have not hit the rev limiter yet on my 07 but it pulls like a freight train to 8300. I suspect yours needs some minor adjustments like a full ISCV reset/check (need to make sure the TPS is in sync with t he TB's and the tune) and while your there see how well the throttle bodies are balanced. I would also copy what is in the ecu so you can see if the right tune was in it or like stated above the verify it has not been messed with. Then we can go from there.


 
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