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Old 05-30-2023, 07:44 AM   #5
RongTurnRacing
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Join Date: Jan 2021
Drives: 2013 Subaru BRZ Turbo
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Quote:
Originally Posted by PulsarBeeerz View Post
I think the EPA crack down on tuning solutions for catless systems isn't helping one bit.
That problem could be solved by adding an O2 bung past the cat in the front pipe and relocating the rear O2 sensor to there.

Of course I don't live in California so I'm sure that's not allowed either.
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