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Old 04-30-2016, 03:11 PM   #28
toohighpsi
 
Drives: 2015 C7 Z06 M7
Join Date: Dec 2012
Location: So-Cal
Posts: 665
Great curves Les! The headers seem to add nicely to car, I normally need at least 1psi more boost than you have to make 550RWTQ... Your also within 12 HP of my C7Z06 with 3-4 PSI less boost - very nice!
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