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  1. Exhaust Mods
    I've read all the threads I can find on here about changing the cat on my 03 trailblazer. I don't know the technical name for a lot of these parts, but here's what I am running into. There is a fork like stabilizer on the cat near where it connects with the muffler. It is a silver triangular...
    catalytic converers trailblazer 03
  2. General
    Hi! I've got a problem with my 2004 Trailblazer and ended up having it towed to an auto shop I've never used before. I talked to the guy yesterday who said the problem solved like my catalytic converter. I told him I just replaced it last October (2009) and he told me I had two? Can anybody...
    2004 trailblazer catalytic converers
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