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  • exhaust upgrade

    I have a 96 firebird, just recently got it and it is still stock. Can anyone tell me what the stock size exhaust coming from the manifolds is? I am looking to get a high flow cat and slp loudmouth exhaust, just needing to know what size to match up to and what size will help me the most.
    96 Firebird, Ram Air Hood and Airbox, Magnaflow Catback & hi-flow cat, Dynomax Bullet muffler

  • #2
    The stock cat is 3" In / 2.25" Out, and the I-Pipe is 2.25".

    BTW, it's very easy to find this in a search.
    Matt
    1998 Mystic Teal Camaro M5
    Whisper Lid, Pacesetter Headers, Catco Cat, Dynomax Super Turbo, B&M Shifter, BMR STB, LSD, P&P Intakes, GT2 Cam, Comp OE Lifters, 1.7 Roller Rockers, Pushrods, SSM Heads, DHP PowrTuner.

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    • #3
      uhuh, searching will give you every answer you need. if not, ask us and we will tell.
      2000 3.8 A4 Pewter Camaro

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