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Thread: Southern performance headers mr45696

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  1. #1
    Join Date
    Sep 2008
    Location
    Arizona/Utah
    Posts
    3,939
    Calspeed makes a 17/8 with 3.5" collectors/ypipe
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  2. #2
    Join Date
    Feb 2012
    Posts
    108
    do those fit obs trucks.

  3. #3
    Join Date
    Sep 2008
    Location
    Arizona/Utah
    Posts
    3,939
    That I do not know and some how I doubt it.
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

  4. #4
    Join Date
    Feb 2012
    Posts
    108
    ok thank. i ended ordering schoenfeld headers with the coating. also i ordered high flow cats from dynatech , and lsx multi position monting plates.

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