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catalytic converter
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  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...
  2. I4/I5 Engine & Drivetrain
    I have been chasing a few OBD codes lately and in the process I found a sizeable crack in the exhaust manifold of my 2010 Colorado 2.9L. I have done work on my truck and other vehicles before, but I know little of what to look for in exhaust parts. What would be a worth while exhaust manifold? I...
  3. For Sale
    I have some parts laying around that I wanna get rid of. Buyer pays shipping, everything is first come first serve. No set prices, make me an offer. (All parts are from a 2005 reg cab 2.8 4 cyl.) I have: Resonator box Stock manifold w/ cat 2nd cat Stock springs and U bolts Spare donut wheel...
  4. I4/I5 Engine & Drivetrain
    wondering your guys opioins on these. Searched it up and didnt seem to find anyone saying anything about them. Are they worth the coin or just better to leave it like it is? I was planning on cutting out the second cat but my dad figures emission standards are gonna get worse over the next few...
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