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gains from aftermarket mass air sensor for a 5.3

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Countryboy
1/23/2007 1:09:21 PM
Hoping somone can explain the benifit, imprtance of changing out my mass air flow sensor? I recently freshened up the top end of my motor; re cut the valves, we took .005 off the heads just to flatten, replaced the stock exaust manifolds with a set of Eldabrock ceramic headers and added a Gibson cat back exaust and  installed a K&N filter much to my disapointment after reading reviews!!! however I was instructed this was pointless unless I change out my MAS and bought a programmer. So here i am looking for a little more information.
Thanks,
~ES~
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