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> TWO Cats?, WHY!?!?
post Oct 16, 2006 - 10:23 PM
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n1ckz0r

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I took my car to the muffler shop for a quote on how much my stuff was going to run me to get isntalled, and I have 2 catylitic converters! WHY!!?!?! one is right under the manifold, between the downpipe and the manfiold (or looks this way) can anybody explain why this would be, and if this is restricting to airflow or not?


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post Oct 16, 2006 - 10:49 PM
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n1ckz0r

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so with a performance cat, new header, entire exhaust expanded .25 of an inch, ditching the resonator, will i see any difference?


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post Oct 18, 2006 - 4:51 PM
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6strngs



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QUOTE(n1ckz0r @ Oct 16, 2006 - 8:49 PM) [snapback]492515[/snapback]

so with a performance cat, new header, entire exhaust expanded .25 of an inch, ditching the resonator, will i see any difference?

you'd probably see a difference with any one of those.

yeah, my 94 GT cali spec has 2. I wonder which would give more performance and less emissions: to swap out the two OBDI converters for one OBDII converter, or two just use two OBDI converters?


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94 GT - Sold -------- 69 Pontiac Lemans - Sold
88 Alltrac - Sold ---- 04 WRX - Sold
00 GT-S - Sold ------ 91 Miata - project/drift car
95 GT - Sold -------- 96 GT - New Daily Drive

Posts in this topic
- n1ckz0r   TWO Cats?   Oct 16, 2006 - 10:23 PM
- - devilsden97   believe cali spec celicas have/had 2 cats.   Oct 16, 2006 - 10:30 PM
- - hurley97   I'm guessing you have a 94-95 because 96+ only...   Oct 16, 2006 - 10:47 PM
- - n1ckz0r   so with a performance cat, new header, entire exha...   Oct 16, 2006 - 10:49 PM
|- - 6strngs   QUOTE(n1ckz0r @ Oct 16, 2006 - 8:49 ...   Oct 18, 2006 - 4:51 PM
- - Batman722   cat info GT 94 fed has 1 cat 94 cali has 2 95 + ...   Oct 16, 2006 - 10:52 PM
- - n1ckz0r   7afe. St   Oct 16, 2006 - 10:53 PM
- - S_C_M   My '95 ST is not a CA car and had 2 converters...   Oct 17, 2006 - 7:14 AM
|- - Batman722   QUOTE(S_C_M @ Oct 17, 2006 - 8:14 AM...   Oct 17, 2006 - 7:17 AM
- - lazzyboy121   is teh cat located rigth after the exhaust manifol...   Oct 20, 2006 - 2:17 AM
|- - Batman722   QUOTE(lazzyboy121 @ Oct 20, 2006 - 3...   Oct 20, 2006 - 7:25 AM
- - n1ckz0r   taking both out and putting an ebay one in!   Oct 20, 2006 - 10:16 AM
- - Slick   Cats? what cats? he, he. We don't need no stin...   Oct 20, 2006 - 3:19 PM
- - FreddyTheOthaMeat   Yeah what happens if you just put in a universal c...   Oct 20, 2006 - 3:54 PM
- - GTS13   Yup, I've owned a 96 Camry and it had two, and...   Oct 20, 2006 - 4:38 PM
- - n1ckz0r   CEL?   Oct 21, 2006 - 12:59 PM
- - Bitter   Check Engine Light   Oct 21, 2006 - 1:15 PM
- - rjbibeau   i call the second cat (the smaller one) the Kitten...   Oct 23, 2006 - 11:48 AM


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