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Old 08-08-2022, 03:22 PM   #4
bigti99a
 
Drives: 2012 ZL1 m6
Join Date: Dec 2020
Location: MD
Posts: 15
yea dont have gains but i had a ported blower with 5" intake and stock throtle body. stock cam heads on 93. upgraded to katech 103mm and gained around 50hp. different dyno and tuner but its worth it for sure.
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