Thread: Best exhaust, header combo?
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Old 07-30-2013, 09:39 PM   #6
the_fast_one

 
Drives: 2018 ZL1
Join Date: May 2012
Location: IL
Posts: 858
I run npp and kooks 1 7/8 with out cats. I love it. Just search you tube for different combo and find what you like
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936rwhp 2018 ZL1
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