I have been living with the 2021-2023 F-150 Raptor 3.5L Ecoboost Performance Calibration M-9603-R35 on my otherwise unmodified 2022 for 8 weeks now.
While it is no Raptor "R" I am very happy with the results - it is a lot "quicker".
It may add "only" +26 HP and +54 lb-ft torque but the improvement is very noticeable, especially in "sport" mode.
Overall it is much more responsive in any mode and general drivability is improved.
Throttle response is improved, acceleration is much more aggressive, and the shifts are crisper and better calibrated.
When you put you foot in it at ~35 mph it is noticeably quicker to downshift and accelerate.
There are no real freeways up here but on 70 MPH 2-lane US-93 passing "slow pokes" is a lot more impressive.
The best fuel in Montana is ethanol free 91 octane (Conoco, Exxon, Cenex).
I drove to Canada and filled it with 10% ethanol Chevron 94 octane (provincial regulations require all gasoline must have 10% ethanol).
The difference between 94 and 91 is very noticeable. If we had 93 in Montana I would use it in the summer months.
I am consistently getting 17.3 MPG.
And I am convinced the exhaust note is louder at idle.
