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Old 12-02-2020, 12:40 PM   #24
Z OH 6


 
Drives: 2024 CT5-V Blackwing
Join Date: Sep 2020
Location: GA
Posts: 3,557
Quote:
Originally Posted by MartinLe View Post
What about headers and green cats?

radz28 lives in CA. He has a 2650 Maggie, TB and a Big Gulp all running through stock exhaust, and I believe he is still compliant.
Those aren't going to pass emissions, especially in California. The Kooks green cats are as good as they get for durability but any high flow cat is unlikely to pass any emissions test.
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