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  1. 07-27-2012, 07:33 AM #1
    Thewilldog
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    White
    2001 Z28

    Help selecting replacement cats for 2001 Z28

    Hi, I have an '01 Z28 with about 175K miles on it. My SES is throwing codes for bad cats, so I want to take a shot at replacing them. I'm having trouble figuring out what I need. The onlines sites have various models costing between $125 and $1000 each. I found the following on a chain store's website:



    The left and the right options here are quite a bit different in design. If I purchase the smaller $125.99 models, could I get under the car and bolt these things on, or do I have to cut and weld onto the existing pipes (which I will not do myself).

    If I want bolt on, do I have to select the larger, more expensive options with the extended pipes?

    A little confused here, if anyone can clear things up, I'd appreciate it.
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  2. 07-27-2012, 08:17 AM #2
    raynor139
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    Pewter
    2002 Trans Am WS6 M6

    I have a set of high flow magnaflow cats with less then 5k miles on them for a 4th gen f-body. 150 plus shipping fees.
    Mods - Lid, Skip Shift Eliminator, MGW shifter, UMI SFCs, Founders Lower Control Arms, Founders Panhard Bar, Founders Adj. Torque Arm, UMI Torque arm mount, MWC Drive shaft safety loop, KONI Yellows, Strano Springs, Strano Sway bars, UMI Upper and lower A Arms, 160 thermostat, TSP headers and TSP true duals Monster stage 2 clutch, racetronix fuel pump, Strange S60 rear axle and tune by Frost.
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