that the same issue i had about the turbo, but i just fount a whipple charger today and it take a 5.3 up to 440 rwhp
sts turbo vs pro charger
so ive been doin some lookin around and cant decide witch would be better. a turbo or pro charger. which one would be the best. it gona be my winter project when i put my truck in the garage for the winter. its a 2011 5.3 flex fuel z71, there will be headers and cam also goin on the truck, prob a intake too
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