Dropped of the '17 Denali this morning to start the Maggie install

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Yukon John

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Pittz

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There is an instant boost mod, if you do not like how the boost builds up. When i mean instant boost, I mean it!

I would get 9lbs instantly!!!!
 

Dark Star

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Nicely done!

looking forward to your review of the finished product.
 
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UATahoe

UATahoe

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Mine was installed at the GMC dealership in Fayetteville, TN.
 
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UATahoe

UATahoe

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Actually in Huntsville myself. I work out across from UAH.
 

Robbys3m3

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Has anyone done a custom tune with their blower setup on these that gets rid of the cylinder deactivation, or with the extra power is it not needed really?
 
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UATahoe

UATahoe

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The Magnuson tune included with mine got rid of 4 cylinder mode.
 

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