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Old 06-26-2019, 02:33 PM   #15
HawkeyeZL1
 
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Drives: 2012 ZL1 #1156, 2003 Silverado SS
Join Date: Feb 2018
Location: Cedar Rapids, Ia
Posts: 85
I averaged 20 on the trip out to Sturgis last summer. Those were all highway miles.
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2012 ZL1 #1156, Rotofab cold air intake, Elite Engineering catch can, Texas Speed Long tube headers with off road connections and of course a tune by DynoSteve.
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