I don't know just yet. I would imagine it's going to drop a couple mpg's but not much more than that. It definitely stays in v8 more now.
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2015 LTZ Z71
2 1/2" RC lift w 2" rear blocks
295/60/20's on stock rims
Line x bed liner
Extang tri-flip hard tonneau
AFE performance cat back
MIT intake tube and high flow filter
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