Getting ready to buy cat-back/high flow cat...want to make sure i'm not screwing up - FirebirdV6.com/CamaroV6.com Message Board

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  • #1

    Getting ready to buy cat-back/high flow cat...want to make sure i'm not screwing up

    I'm getting this, and a 3inch in/out high flow cat....any problems? Or stuff i should look into? Performance comes first...than sound (unless it sounds real ricey...don't want that)

    I get paranoid when i'm about to buy something more than $100 bucks. :eek:

    [ January 28, 2003: Message edited by: Kidinthehall2001 ]</p>
    1999 Chevrolet Camaro Z28<br />1987 Buick Grand National
    Tags: None
  • #2
    The only problem you might have is the SES light coming on due to the highflow cat. It's 50/50 chance.
    <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
      I had a problem with the SES light with my high-flow cat. But it was nothing a O2 sim didn't fix.
      <b>99\' Black Camaro SS</b> <br />M6/T-Tops - SLPLid w/K&N | Hurst Billet Plus w/ LSS | EGR Mod<p>Black 97\' Camaro T-Tops (RIP)

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      • #4
        I run the edlebrock cat back.
        I also only have a 2.5 inch in and out high flow cat.
        My personal opinion is 3 inch is too big
        Race car - gone but not forgotten - 1997 firebird V6
        nitrous et & mph: 12.168 & 110.95 mph, n/a 13.746 & 96.38 mph
        2013 Dodge Challenger SRT8: 12.125, 116.45
        2010 Ford Taurus SHO: no times yet

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        • #5
          I have a full 3" exhaust w/ a catco cat

          lost some lowend torque, yes, but pulls very well in the higher rpms. You don't really lose the torque, it just gets moved higher up in the rpm range.

          I did use an O2 simm, which did set off an SES light, but I cleared it & have seen no sign of it coming back.
          2001 75th Anniversary V6 Pewter Firebird w/ Chrome Wheels, T-Tops, & Y87<br />Mods: Free Ram Air, !Silencer, Holley Filter, Full 3\" Hooker Catback, 3\" Cat<br />Best time: 15.095 at 90.00 MPH with a 2.127 60\'

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          • #6
            From what I've read, after the headers, you can't really go too big... the torque doesn't dissapear or get lessened in any way... the power just evens out throughout the RPM range and gives more power overall... you probably don't feel the torque as well because when you punch it there isn't as much as a difference.
            Black \'97 Camaro RS <a href=\"http://chillcat.fortunecity.net/blahblah.html\" target=\"_blank\">See Pics</a> 3.8L, 5 Spd, Disc Rear, Hurst short shifter, MAF Screen Removed, RK Sport Headers, 3\" Cat, 3\" FM American Thunder Catback, Compcams .512/.507, (2x)275/40/17 Khumo 712(front) (2x)285/40/17 Good Year F1 GS-D3 (back).

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            • #7
              <blockquote>quote:</font><hr> My personal opinion is 3 inch is too big <hr></blockquote>
              totally agree!
              <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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              • #8
                3 inch s pipe, 2.75 inch i pipe, and a 2.5 inch muffler

                i comprimised [img]graemlins/rofl.gif[/img]

                96 V6 A4 Camaro and 99 Z28 A4 Camaro                 Visit My F-Body Page

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