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04-08 F150 power gains?

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Old Jan 29, 2008 | 08:17 AM
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Super FX4's Avatar
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From: Memphis
04-08 F150 power gains?
What kind of powergains do you guys get on your 5.4L's with an aftermarket exhaust like magnaflow? RWHP?

Would like to know if it is worth dishing out $400-500 for one.
 
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Old Jan 29, 2008 | 08:25 AM
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FX4 Matt's Avatar
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Originally Posted by Super FX4
What kind of powergains do you guys get on your 5.4L's with an aftermarket exhaust like magnaflow? RWHP?

Would like to know if it is worth dishing out $400-500 for one.
8-10 at the tires little more if you have other mods
 
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Old Jan 29, 2008 | 01:09 PM
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I see an exhaust mod on an N/A vehicle as more of a "I want to sound bad ***" type mod.

Now if you have frced induction, there are a lot more gains to be had.
 
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Old Jan 29, 2008 | 03:03 PM
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If it's only a cat back. You would be lucky to see 5HP.

Phil
 
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Old Jan 29, 2008 | 08:53 PM
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Haven't noticed any difference at all with the maggie cat- back.. gas mileage did go down though, probably because I floor it all the time now to hear it though!!!
 
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