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What headers to use on my 1990?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by shum1, Oct 8, 2000.

  1. shum1

    shum1 1/2 ton status

    Oct 8, 2000
    Likes Received:
    I got a 1990 burb, Id like to run headers into one cat to keep things cheap and legal. Do people usually just have a local shop build the pipes that join the headers into the one pipe that goes into the cat conv? Can/should I run a 3" pipe for this set up? What kind of muffler? Can you by all the pluming all ready to go? I have a 350 tbi stock.

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