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Any MPG pick up after headers installed??

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Old 09-01-2011, 01:31 AM
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Default Any MPG pick up after headers installed??
I have headers on the way and was wondering if any of u guys could tell if the headers helped any on mpg. I travel alot and was hoping for a little gain, let me know ur results/opinions....
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Old 09-01-2011, 04:30 AM
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with a retune you should notice a slight increase if u stay outta the pedal
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Old 09-01-2011, 06:25 AM
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I didnt see any.. More less lost a mpg or two..
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Old 09-01-2011, 08:46 PM
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how about the performance side of it?
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Old 09-01-2011, 09:06 PM
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Originally Posted by blackvmax07
how about the performance side of it?
Seat of the pants picked up a good amout of power.. You will definatly gain HP and you will be very happy after your first test drive after putting them on
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Old 09-01-2011, 09:06 PM
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He'll no... No type of mpg gains
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Old 09-01-2011, 09:22 PM
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Originally Posted by 2007chevy5.3l
Seat of the pants picked up a good amout of power.. You will definatly gain HP and you will be very happy after your first test drive after putting them on
sweet deal, thats goin in after my 3200 stall
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Old 09-02-2011, 05:17 PM
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uhhhhhh.....no on mpg rising.......yes on HP
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Old 09-02-2011, 05:19 PM
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after you retune it and get the afr setup you should pick up 1-2 if you can stay out of the throttle, and yes lt headers give you a good performance gain.
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Old 09-02-2011, 05:55 PM
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Originally Posted by dlt76028
after you retune it and get the afr setup you should pick up 1-2 if you can stay out of the throttle, and yes lt headers give you a good performance gain.
That's what I was hoping for on the high end anyways! The "staying out of it" is the hard part!
Last edited by 8UALIVE; 09-03-2011 at 09:52 AM.
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