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Old 05-29-2020, 04:32 PM   #2
Bigtime53


 
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Drives: 2013 ZL1
Join Date: Mar 2013
Location: Oklahoma
Posts: 2,298
I think there is a thread about this here somewhere. I believe someone did a dyno test and the 5 inch made more HP. I would look for it for you but I am to old and lazy. Maybe someone else will chime in and find it.
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