Power gains with only 91 octane?

[BigHo]

What kind of power gains will I have on my GT if I only do a 91 octane tune? I don't want to do any aftermarket intake. I only have a hatchback exhaust and want to tune the car for 91 octane, what kind of power gains will I get?:cheers:

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[Mustang1348]

What kind of power gains will I have on my GT if I only do a 91 octane tune? I don't want to do any aftermarket intake. I only have a hatchback exhaust and want to tune the car for 91 octane, what kind of power gains will I get?:cheers:

Hatchback exhaust? Lol u mean axle back or cat back? The gains depends on which company tune you want. The Ford Racing Power Pack 1 (91+ tune and drop in air filter) claims peak Gains of 13 Horsepower and 16 ft/lbs of Torque,
40 ft/lbs of Torque Gain at 1500 RPM

 

[BigHo]

[MENTION=30913]Mustang1348[/MENTION], haha i meant catback... I was thinking maybe i can get to 400-410 WHP with just a 91 tune

 

[Mustang1348]

[MENTION=30913]Mustang1348[/MENTION], haha i meant catback... I was thinking maybe i can get to 400-410 WHP with just a 91 tune

Yeah I'm not sure cuz most of the better tuners has the cold air intake included. I think American Muscle shows a video of just the ford performance power pack 1 and it dynoed at 395 WHP

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