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hallowed CAT

Discussion in 'General Tech and Maintenance' started by h22bubbleback, Oct 31, 2003.

  1. h22bubbleback

    h22bubbleback Senior Member

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    i have a chance to get a really cheap CAT for my swap..its off a 95 gsr but it is hallowed...will a hallowed Cat make me lose power/back pressure?recommended?
     
  2. h82w8

    h82w8 Senior Member

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    hallowed as in spiritual or hollowed?,if the guy gutted the cat then it will change sound/performancedepending on how thoroughly he gutted it
     
  3. lsvtec

    lsvtec GNU/Linux Evangelist

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    This is not worth doing.
    1. Hollow converters do not flow significantly better than regular converters.
    2. Hollow converts sound like ass. They give your car that raspy sound like the Neon you always see in traffic that thinks an exhaust system is removing the muffler and leaving the remaining pipes dangling.
    3. Your chances of getting caught are slim but the fine is astronomical for tampering with emissions equipment. Even in areas with no emissions laws.
    4. If you see a power gain it will be 1-2 hp at most. I don't call that significant.
     
  4. sportlinecrx

    sportlinecrx Banned

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    you shouldnt even have to pay for that.
     
  5. Bl6CRX

    Bl6CRX Senior Member

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    yeah really, you can do that to ANY cat yourself for like nothin...just find a useed one and bang the stuff out of it, however, what you should really do is get a test pipe, and then get the right flange connections, you'd have to do the same with hollowing out a cat, but you won't get the jacked up flow a hollowed cat would give
     
  6. lsvtec

    lsvtec GNU/Linux Evangelist

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    Again no, what you should really do is stop being a cheap ass ricer and get a high flow cat. The test pipe will have all the same draw backs listed above.
     
  7. JDMilan

    JDMilan Senior Member

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    I went test pipe, if going NA the gains are almost nothing but I choose this option for cost reasons and restriction reasons.
     
  8. gocivicls

    gocivicls Senior Member

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    If you have OBD2 car than I say hell no! It may run rich due to the glazing of the O2 sensor that was once protected by the stuff in the cat.

    The hollow sound is terrible!
     
  9. tab

    tab Super Moderator

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