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  • #1

    Best replacement catalytic conv?

    What is the best replacement catalytic converter? I have a Flowmaster cat back exhaust and a high flow intake and my stock cat is shot. Money isn't an issue and I'd prefer a high flow one over a stock replacement.

    Also, what are the dementions of the cat that will fit with stock headers and a stock pipe going to the flowmaster? Is it 2.5" in and out?

    Here are some that I was looking at

    Dynatech

    Dynomax

    Magnaflow
    Tony<br />2000 Firebird V6 Auto<br />Flowmaster Exhaust<br />SLP HO Ram Air Hood<br />K&N Aircharger Intake<br />188 RWHP, 15.56 @ 91.8 MPH
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  • #2
    im pretty sure its 3"in 2.25" out. also, i dont really remember anyone using those. but hey, im sure someone has
    2000 3.8 A4 Pewter Camaro

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    • #3
      it its 3" in and probably 2.5" out depending on what size your flowmaster catback is. So what you need to do is buy a 3" in/out cat and have an exhaust shop weld a reducer into one of the sides....thats what i did.
      1997 Camaro<br />17x9 Chrome SS wheels, SLP CAI, Magnaflow Catback,<br />High Flow Cat, Blacked out Lights, 20% tint, AUDIO: 1600W Kenwood eXcelon Amp, 12\" Kicker L7, 1 Farad Cap (Recently STOLEN),<br />H&R Springs and KYB AGX\'s,<br />Billet Grille

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      • #4
        O yea and i have the magnaflow cat...if i was you i would just go with that but dont order it from JEGS, you can get one off ebay for $50-60.
        1997 Camaro<br />17x9 Chrome SS wheels, SLP CAI, Magnaflow Catback,<br />High Flow Cat, Blacked out Lights, 20% tint, AUDIO: 1600W Kenwood eXcelon Amp, 12\" Kicker L7, 1 Farad Cap (Recently STOLEN),<br />H&R Springs and KYB AGX\'s,<br />Billet Grille

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        • #5
          Originally posted by fabolous24:
          it its 3" in and probably 2.5" out depending on what size your flowmaster catback is. So what you need to do is buy a 3" in/out cat and have an exhaust shop weld a reducer into one of the sides....thats what i did.
          its not 2.5" he doesnt have a new s-pipe. no catback ever comes with an s-pipe
          2000 3.8 A4 Pewter Camaro

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          • #6
            stock cat is 3" inlet 2.25" outlet
            99\' Camaro M5 3.23 LSD<br />-SLP CAI,K&N,Whisper Lid,!MAF Screen<br />-2\'5 Flowmaster Catback <br />-BMR STB<br />-Kumho 712 supra 245/50/16<br /> <a href=\"http://www.camaroV6.fr\" target=\"_blank\">http://www.camaroV6.fr</a>

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            • #7
              My magnaflow came with the s pipe?
              Black 2000 Y87 Camaro with T-tops ,SLP bowtie grill, Suncoast Creations Ram air hood and air box,Hypertech pp3,magnaflow cat back,and hi flow cat. <a href=\"http://members.cardomain.com/sorn09\" target=\"_blank\">http://members.cardomain.com/sorn09</a>

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              • #8
                r u serious? your catback came with a new/bigger s-pipe? thats a new one. no one else does.
                2000 3.8 A4 Pewter Camaro

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                • #9
                  actually Blldogg mine came with a new S-Pipe too [img]smile.gif[/img]
                  1997 Camaro<br />17x9 Chrome SS wheels, SLP CAI, Magnaflow Catback,<br />High Flow Cat, Blacked out Lights, 20% tint, AUDIO: 1600W Kenwood eXcelon Amp, 12\" Kicker L7, 1 Farad Cap (Recently STOLEN),<br />H&R Springs and KYB AGX\'s,<br />Billet Grille

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                  • #10
                    well i meant other kits. well thats just cool though
                    2000 3.8 A4 Pewter Camaro

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