Quote:
Originally Posted by marknagy13
What if I go with the high flow cats then? Because I would really prefer not to tune and void the whole warranty.
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I've heard that the Kooks Green Cats will not throw a check engine light, as they are emissions friendly. I do have these cats on my C7, but I also had the car tuned with the installation. So, I couldn't tell you if they would've thrown a code or not, but they'd be worth looking into for your situation.