Our stock cats, are they 2.75"out? - FirebirdV6.com/CamaroV6.com Message Board

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Our stock cats, are they 2.75"out?

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  • Our stock cats, are they 2.75"out?

    Yeah, what i just asked. I heard they are 3" in, but are they 2.5 or 2.7out?
    99 Firebird Vert, Pewter Metalic<br />Fast Toys Ram Air<br />Jet Stage 2 Chip<br />17x8 Mille Miglia Emotion II Plus\'<br />wrapped in 245/35/17 Yokohama A520<br />Rhino Perf. Exhaust<br />K&N air filter<br />check pics at:<br /><a href=\"http://www.fastrides.com/members/v6birdy/\" target=\"_blank\">http://www.fastrides.com/members/v6birdy/</a>

  • #2
    They are like 2.25 maybe 2.5 But not 3in
    Turbocharged and intercooled.<br />17psi(oops), stock fuel pump, no FMU<br /> <a href=\"http://www.cardomain.com/id/phoenix64\" target=\"_blank\">http://www.cardomain.com/id/phoenix64</a> <br />Video: <a href=\"ftp://ftp.pfabrication.com\" target=\"_blank\">ftp://ftp.pfabrication.com</a> Assorted car ****: TurboCamaroFull.

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    • #3
      3in out on mine. :D
      2004 Dodge Dakota 3.7 litres of raw power!!<br />Nothing but a 6!<br />Do you know for sure? John 3:18

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      • #4
        <blockquote>quote:</font><hr>Originally posted by toast:
        3in out on mine. :D <hr></blockquote>

        lolololol...totally irrelevant and someone looking to brag. :rolleyes:

        stock cat has a 2.25" outlet going to a 2.25" I-pipe

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        • #5
          It is 3in out num nuts. :rolleyes: Why don't you look under a new camaro and see(01-02). Why would i lie???? :mad: It goes from 3in to immedatally down to 2.5 then it goes to 2.25 in the S-piple all the way down on the I-pipe.
          2004 Dodge Dakota 3.7 litres of raw power!!<br />Nothing but a 6!<br />Do you know for sure? John 3:18

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          • #6
            actually...um...no

            1) don't take my comment above personally...I love to break balls alot

            2) it is not a 3" out on the stock cat. I looked at it with my own eyes when the guy went to put my I-pipe on. It's a 2.25" out. When it was installed I had him saw off the outlet and basically "jam" the I-pipe into the cat (3" outlet now). From there it's a 2.75" I-pipe going into a 2.5" muffler.

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            • #7
              99camaro99 tends not to know what hes talking about b4 he talks....dont take it personal that he said your post is irrelevant :D
              <a href=\"http://www.blackstreak.freewebspace.com/images/blackstreak_banner.jpg\" target=\"_blank\">http://www.blackstreak.freewebspace.com/images/blackstreak_banner.jpg</a>

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              • #8
                Hang on here - too much conflicting infor. I thought the S pipe was 2.25 ID. If it's 2.5 ID then I am going to keep it and just get an I pipe. Someone give me the right info.
                1998 Camaro M5, Sports Appearance Package, K&N,CAI,Whisper Lid, Dynomax Superturbo exhaust,Carsound Converter.<p><a href=\"http://members.cardomain.com/canadiancamaro\" target=\"_blank\">http://members.cardomain.com/canadiancamaro</a>

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                • #9
                  look from the cat all the way back it's 2.25". Don't listen to jsm0882...all he likes to do is place immature comments like that...ignore him

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                  • #10
                    its 2.25 id for your car
                    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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                    • #11
                      2.25" is correct.
                      2000 NBM M6 Camaro Z28<br />323/335

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