Thread: Basic (performance) mods for ZL1?
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Old 07-17-2013, 08:36 PM   #13
Joebot8484
ZL1 # 1307
 
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Drives: 2012 Camaro ZL1, 2008 Hummzilla H3
Join Date: Nov 2010
Location: Central New York
Posts: 1,911
I installed a Roto-Fab and JBA Mid pipes with high flow cats and made 545 hp on the dyno with no tune. I'm currently happy.
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