Who here has a stock cat and a 3inch catback exhaust? - FirebirdV6.com/CamaroV6.com Message Board

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Who here has a stock cat and a 3inch catback exhaust?

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  • Who here has a stock cat and a 3inch catback exhaust?

    Did you have to use a 2.25 to 3 inch pipe adapter?

    Do you plan on upgrading to a 3 inch cat?
    <a href=\"http://www.cardomain.com/id/maleet\" target=\"_blank\">1998 Silver Firebird</a> <br />Basic mods... nothing real special but it sure looks good!<br /><a href=\"http://www.maleetpobanz.com\" target=\"_blank\">maleetpobanz.com</a>

  • #2
    i have the stock cat on my loudmouth. plan on upgrading to a 3inch when i get headers (if i get em)
    I guess I\'d have answer your question with another question.<br /><br />How many Abidiginals do you see in modeling??????<br /><br />headers, 3inch magnaflow cat, Loudmouth<br />99 Midnight Blue Firebird<br />3.8L A4

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    • #3
      I have the stock cat, but we opened up the exit to 3"...seems to be the best of both worlds [img]smile.gif[/img]
      2011 Camaro LS 6M, in black.

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      • #4
        i have a stock cat with "3 catback, but my stock cat has "3 outlets, guess they put the wrong cat in my car when building it??
        <a href=\"http://www.cardomain.com/id/1loudv6\" target=\"_blank\">http://www.cardomain.com/id/1loudv6</a>

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        • #5
          I didnt do the work but i see no adaptor on my cat. And yes, i do plan on going to a 3 inch.
          There is fast, too fast, and way too fast. Way too fast is almost fast enough.

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          • #6
            used 2.5" to 2.75" pipes, then filled in with weld. it's held up so far.

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            • #7
              i went from 2.25", to 2.5", to whatever size the opening is on the TSP Rumbler, the first bend after the cat is still 2.25, then it goes into 2.5, then into the 3"
              <b>Black</b> 1998 Pontiac <i>Firebird</i> A-4 swap<br />271.4rwhp/259.4rwtq NA<br />13.30@102.44 <br /><a href=\"http://www.freewebs.com/wickedsix98\" target=\"_blank\">www.freewebs.com/wickedsix98</a>

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