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Cat Question (Not the animal, ha)

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  • Cat Question (Not the animal, ha)

    I was wondering, since I don't have to go thru all that emissions crap down here, could I just run a piece of pipe in place of my cat converter? I'm guessing if I did that I would have to pull off all those pipes that go to the air cleaner and everything too. Its just something I was thinking about as I was looking at it on jackstands yesterday waiting on parts, ha. Would it hurt the gas mileage? I just noticed earlier this year when I was driving down the road with the hatch up (went to lowes and had a box for a backyard canopy sticking out of the back and 10 bails of pinestraw, ha) that the exhaust sound coming out of the back while driving kinda sounded like it was sputtering. I really don't know how to describe the sound other than it just didn't sound right to me.



  • #2
    I took my cat off my 88 and used a tire tool to clean all the guts out, then reinstalled it and hooked all the pipes up as they were originally. It's been 3 years and 32,000 miles now and i have had no problems.
    1960 willys pickup
    1967 jeep cj5

    1988 festiva
    1989 festiva
    1990 festiva for parts
    1991 s-10

    "Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote!" —Benjamin Franklin, 1759

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    • #3
      that is what i did, no guts left in it...


      Mike, AKA the sasquatch
      1990 LX, bp+T/g25mr, 9psi dynoed at 194HP, turbonetics t3/to4e 57trim, haltech E6X standalone, 550cc injectors, turbosmart wastegate, synapse BOV, walbro 255 fuel pump, aeromotive FPR, AEM wideband, 3 inch exhaust, huge FMIC, 9LB flywheel, 6 puck clutch and way more parts that im forgetting i installed lol...

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      • #4
        Sounds like a plan....now to see if I can get it off, ha


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        • #5
          i would take the cat to a junkyard because junkyards (around me at least) will buy your cat for good money. I have a friend who bought an old chrysler 5th ave. from a neighbor for super cheap(somewhere around 300 if i remember correctly), took the THREE cats off and nearly paid for the car with the money he got for the cats
          91 lx 4d hatch - first car and would be my father's dd if he would fix the waterpump
          91 lx 2d hatch - parts car
          92 lx-e - the quick, beat-up rustbucket
          98 se - the luxury dd
          in search of a festy...
          Going quickly in a slow car is more fun than going fast in a fast car, cause anyone can go fast in a fast car, but you take a car that is essentially not that powerful, and make it do things that its not supposed to be able to do, well that's where the real fun is. - Jay Leno

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