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2.5" collector

Discussion in 'Engine Building' started by B-SERIES_BOY, Nov 26, 2003.

  1. B-SERIES_BOY

    B-SERIES_BOY Junior Member

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    I am planning on getting a header with a 2.5 collector and was wondering if the stock cat can be modified by a muffler shop or would I just have to run a custom test pipe? Also is the 2 door integra cat different from the 4 door?
     
  2. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    you can get the stock cat modified ... but it would be a much better idea to upgrade to something highflow .... carsound cats can be had for around $75 or so
     
  3. 92civicb18b1

    92civicb18b1 The Trisexual

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    ebay cats are just as good but wont last as long (wont pass emmissions after the 1st time). But for the price they're worth it. 2 dr and 4 dr tegs use the same cats.
     
  4. Bl6CRX

    Bl6CRX Senior Member

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    if your not concerned with emissions just run a test pipe, cheap and best flow
     
  5. 92civicb18b1

    92civicb18b1 The Trisexual

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    yea that works to, if ur not in a emission stae (PA) your good to go with a test pipe.
     
  6. B-SERIES_BOY

    B-SERIES_BOY Junior Member

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    Thanks for the info. I wish there were no emissions here (NJ). I used to have a 92 civic sedan and I swear the dmv spot checks would follow me around. I've had my car inspected with mirrors to look for a cat a few times. With that said, I'll be running a cat.

    E_SolSi: I looked into carsound but I only found universals. Any ideas as to which model I should use?

    Also anyone ever hear of catco brand converters? As far as ebay, all I ever see are the test pipes or resonators. I'd prefer to run a "real" cat. Thanks again everyone for the help.


    Sean
     
  7. JDMilan

    JDMilan Senior Member

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    give carsound a call, they should know for sure
     
  8. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    catco is pretty good from what ive heard

    basicly just measure your stock cat and get the closest length you can find with a 2.5 through size

    then bring it to a muffler shop and get it put on (i recomend having them put flanges on instead of just welding it in place)
     
  9. knowledge

    knowledge Senior Member

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    I would go with a Random Technology cat! 50 state legal and a better design for higher flow. No screens, large honeycombs!
     
  10. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    thats what im running :)
     
  11. knowledge

    knowledge Senior Member

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    That is what I will be running! B)
     
  12. 92civicb18b1

    92civicb18b1 The Trisexual

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    As long as it's a non gsr this one will be fine, it makes a cool sound too even with a stock exhaust. Yea I currently am living in NJ but I'm cheap and I have PA registration and insurance (it helps having 2 houses and one rented under my name). For the price you'll be good even if you have to buy a new one every 2 years.

    http://cgi.ebay.com/ebaymotors/ws/eBayISAP...&category=33629
     
  13. B-SERIES_BOY

    B-SERIES_BOY Junior Member

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    Thanks everybody for the input. I'm going to get a high flow unit and I'll do some more research with the manufacturers. By the way, it is a gsr.
    One last header question. Is getting a stainless steel header worth the extra cash over mild steel or ceramic? If i do get it in ss should I wrap it or use the heat resistant jackets?
     
  14. deth101

    deth101 Senior Member

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    for me stainless is imperative as I live in a high rust state and dont want to buy a new catback every 2 years
     
  15. BigJ

    BigJ I'm just about that action Boss. VIP

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    I have a random tech, its awesome, except the last owner some how got a obdII cat put on so I have a hole in the side and it leaks. :(

    I passed emissions though with it, withy flying colors might I add.
     
  16. deth101

    deth101 Senior Member

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    someone makes plugs for those holes.......midas might have em
     
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