2014 Police Interceptor Utility 3.7 cyclone

[piutuner]

Has anyone been able to add any extra HP to the any Ford PUI's 3.7 with HP Tuners MPVI3?
Muffler delete is the only upgrade I have done so far.

PXL_20230608_180145179.jpg

Thank you!

[veeefour]

Not going to gain much without boost.

[piutuner]

I am 1000 meters of altitude, I was able to gain about 17 hp and 12 of torque AT 6600 RPM by deleting the resonator/muffler and upgrade from 2" to 2.5 exhaust pipe from the flex pipe to the tips. working on IVO tuning and EVC tuning. Before
BEFORE.PNG After AFTER.PNG

[brettstoner]

I am 1000 meters of altitude, I was able to gain about 17 hp and 12 of torque AT 6600 RPM by deleting the resonator/muffler and upgrade from 2" to 2.5 exhaust pipe from the flex pipe to the tips. working on IVO tuning and EVC tuning.

Is that increase is due to running 91/93 to get you more timing advance? From my research Livernois can get around 20-30 hp on 93. The stock exhaust looks terrible for flow.

[piutuner]

I was able to add a bunch more, I am at a location around 1200 meters above sea level, air is less dense, and performance dropped by 9-10%, I was making around 270 hp flat when I first got my MPVI, I did put on a catback, and a 80mm TB from a mustang 2012 coyote. I had to do some tweaking with the Intake tubing for a smoother airflow and some tuning, but I was able to add around 50-55 hp as you can see on my this is my latest pull. Same location.
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[piutuner]

Is that increase is due to running 91/93 to get you more timing advance? From my research Livernois can get around 20-30 hp on 93. The stock exhaust looks terrible for flow.

I am running on 91