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Hp gain?

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Old Oct 30, 2016 | 02:30 PM
  #1  
usaf1965's Avatar
usaf1965
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From: California
Default Hp gain?

My 2003 4.6 GT mustang is stock motorwise. I just put in a 75mm throttlebody and plenum from stack racing.
Any idea on how much gains i have?
Old Oct 30, 2016 | 05:44 PM
  #2  
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When I upgraded my plenum and throttle body including the cold air intake i was told similar upgrades have gained about 8 to 9 hp to the wheels
Old Nov 7, 2016 | 08:38 AM
  #3  
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I wouldn't expect any great gains that you will be able to notice with your buttometer
Old Nov 7, 2016 | 05:15 PM
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Originally Posted by fastbackford351
I wouldn't expect any great gains that you will be able to notice with your buttometer
Doubt you will even notice that much.
Old Nov 8, 2016 | 12:28 AM
  #5  
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usaf1965
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Throttle reasponse is amazing




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