Exhaust questions

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by bwoodard, Jun 6, 2002.

  1. bwoodard

    bwoodard Registered Member

    Oct 29, 2001
    Likes Received:
    Chicago, IL
    Does anyone live in chicago, does anyone live in chicago and work at an enission test center. I need to know what stuff is now being tested. I just dropped in a 85' 350 crate motor in my 86 blazer there is no emissions hooked up besides the standard cat, muffler. I am getting ready to put on thorley headers new cat and muffler. any comments pls.

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