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Old 03-01-2019, 11:12 PM   #1 (permalink)
Nooree01
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Join Date: Sep 2018
Location: Kansas City, MO
Posts: 108
Drives: 2011 370z Gray 7AT
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Default invidia High Flow cats

I am currently looking at a set of Invidia HFC to go with my muffler delete, I had a few concerns

is anyone currently running Invidia HFC?
Any Cels with it?
Do I Need a tune? I only have muffler delete
power gains?
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