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Airbox mod

Airbox mod

Postby ferraiolo1 [OP] » Jul 28 2016, 1:13am

I had seen some one mention that you can mod the air boxes on these 2014+ trucks on another forum a while back. So I was bored and figured I would see what could be done.

After using the airraid tube for 6 months I had a pretty good baseline for my personal mileage. So I went and ordered an AEM dryflow air filter. When most people install a filter they wouldn't have a need to remove the lower airbox. When I did, I saw the factory restrictions and what can be modded for more airflow. For now I'm just going to try popping out the entire panel rather than cut the openings in it bigger just to see if there is an mpg increase.

Initial observations from a quick rip, there isn't anymore noise in the cab than before and zero throttle response gain.. I didn't really expect anything. I'll keep this thread updated as I put a few hundred miles on it.

But this stock modded airbox has about as much openings for air as my overpriced AFE CAI on my other truck did.
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Re: Airbox mod

Postby semicrazy » Jul 28 2016, 1:42am

In for updates.
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Re: Airbox mod

Postby Vicarod » Jul 28 2016, 3:10am

Me too.
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Re: Airbox mod

Postby BigBlueLB756 » Jul 28 2016, 9:07pm

Me, three!
I'm all for free mods!
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Re: Airbox mod

Postby ferraiolo1 [OP] » Jul 28 2016, 9:11pm

Going for about an hour ride through the mountains Saturday to go hiking. Should see some results or lack there of then.


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Im on a never ending quest to gather up enough pop cans so I can buy a nice extended cab or crew cab, so I don't have to hide my head when im driving this strippy standard cab of mine. So people don't have to feel sorry for me.
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Re: Airbox mod

Postby NewToMe » Jul 28 2016, 9:28pm

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Re: Airbox mod

Postby ferraiolo1 [OP] » Jul 30 2016, 6:29pm

After 110mile trip though the mountains I averaged 20.5mpg. When on the similar trip I was around 18.8. Ether the filter or airbox mod or both helped. Also there does seem to be a slight increase in throttle response.

Free mod didn't hurt anything, so I'm leaving it alone to see long term results.


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Re: Airbox mod

Postby LukesZ71 » Aug 03 2016, 1:42am

I have the same setup now minus the modded box and I'm real happy with it. Almost 1.5 mpg difference on similar trips so far....


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Re: Airbox mod

Postby coulterjosh » Aug 03 2016, 2:02am

following
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Re: Airbox mod

Postby kashmir » Aug 03 2016, 2:21am

Very subjective. Most recorded tests on CAI's have come back with negligible results on performance and MPG gains.
It is really just a sound upgrade.

Don't you think that GM would LOVE to get an additional 1 or more MPG's with something so simple?
The selling points are marketing gimmicks and you get a better sounding truck....that's all.
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