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  • How about NO CAT???

    I just got this idea about taking my car completely off instead of buying a high flow one. I am an emissions inspector here in GA, so passing emissions wouldnt be a problem if you know what i mean. Now would this give me some power, or would i just loose back pressure. Also how many O2 simms am i gonna need, i'm asumming only one after the cat. Please let me know what you think?

    Alen

    P. S. I dont have a full cat back right now, all i have is a dynomax muffler with dual-out...
    2002 Red M6 T/A<p>Heads, cam, blah blah...<br />427 rwhp and 401 rwtq - For now

  • #2
    I have the cats off of the 96 SS and 91 Z28. i love it. the sound is great and the performance is definatley noticeable. i dont know about the o2 simms cuz i just reprogrammed my computer so it wont give me a check engine lite. i would say go for it. [img]graemlins/burnout.gif[/img]
    1991 Honda CR-X HF<br />B16A/I/E<br /><br />14.5 @ 95

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    • #3
      i have my cutout, in place of my cat, that might be an idea for ya, but you need one O2 sim for after the cat, cuz it gave me problems after i capped it up, but its all good now... lemme us know if you need anything else, oh yeah power increase, yup, sounds a little different cuz its less restrictive but i wouldnt worry about back pressure...

      merlin
      2002 Firebird<br />2003 Yamaha YZF 600R

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      • #4
        What is an "O2 sim"???
        TANYA<br />RED 95 Bird, 3.4, 3.23 rear, pacesetter exhaust,Cold Air intake, Eagle GS-C \"Z\" rated tires, Eibach Springs, Honey Comb lights (more to come!)

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        • #5
          It tells the computer there is enough oxygen in the exhaust. If you don't have a cat the sensor will read that there isn't enough oxygen and will throw a SES there for you get a O2 sim that sends a fake signal to the computer so you never see a SES light from that problem.
          1999 Firebird Black<br />A4 3.08 gears<br />Mods: Carbon Fiber Whisper Lid, Raised Air Box, K&N Air Filter, Direct Hits Ignition, Flowmaster American Thunder 3\", 160 Degree Hypertech Thermostat, SLP Fan Switch, 3\" High Flow Cat<br /><a href=\"http://www.cardomain.com/member_pages/view_page.pl?page_id=273903\" target=\"_blank\">My car on Cardomain</a>

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