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cat delete

  1. How-To: Performance & Maintenance
    Looking for advice, I have a 06 Colorado with the 2.8l rwd. I need to replace the bank 1 sensor 1 O2 sensor. Also my catalytic converter (from the manifold) has separated from the lower weld. I am really hoping to use this as an advantage and gut the cat while it is already exposed then just...
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