Thread: Drilling 1" holes in exhaust
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Old 08-26-2013, 03:49 AM   #9
=Stephens=


 
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Drives: 2011 LS
Join Date: Feb 2011
Location: Kearney, Nebraska
Posts: 3,544
He claims he can get 30 hp more. And he wanted it louder. Said it was like having 3" cutouts. I wouldn't do it to my car, but wanted to know what you thought.
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