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  • 3.4 Cat???

    What is the STOCK inlet size on the stock cat on a 3.4???
    1995 Camaro 3.4L<br />dynomax super turbo muffler<br />SLP CAI<p>It\'s red so it must be fast!!!

  • #2
    3" in, 2.25" out.
    <b>99 Camaro Z28 A4</b><br />R.I.P. 00 Firebird 3.8<br />14.89 @ 90, 2.03 60\'

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    • #3
      Are you positive??
      I heard it was 2.5" in and out, im not sure at all now.
      Im prob. gonna order a new cat as soon as i figure out what size to get.

      What size cat inlet did all you 3.4 guys with custom exhausts get?
      1995 Camaro 3.4L<br />dynomax super turbo muffler<br />SLP CAI<p>It\'s red so it must be fast!!!

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      • #4
        I was working on mine a week ago,and it is 2.5 in and out, for my '94 3.4 v-6.
        \'94 Pontiac Firebird 3.4<p>MODS<br />Custom CAI, by pass cat,<p>soon to come<br />SLP CAI, sweet thunder exhaust, 1.25 lowering springs, 3 pt sub frame connectors, traction bar, port & polished heads & intake manifold, Headers, strut tower bar, ram air hood, SLP rims 18 in, tires? any suggestions? E-mail at firebird1206@aol.com

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        • #5
          3in, 2.5 out.
          My car has GPS trackin\',traffic alert,its own phone #,PS2,screens. And What da H3ll,When I Turn da key it says \"You\'ve got mail\"..... <br />I swear and promise.. I\'ve had more cars then Charlie Thomas.. bounces in a Monte\' that hopped.. Pimped old skoo Blazer on Chopz, Today Its a Camaro at all da plya spots.

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          • #6
            Whos right? keith or camarowithbass? lol
            1995 Camaro 3.4L<br />dynomax super turbo muffler<br />SLP CAI<p>It\'s red so it must be fast!!!

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