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O2 Extensions

This is a discussion on O2 Extensions within the External Engine forums, part of the LSx Technical Help Section category; This may be a stupid question, but what applications need O2 extensions? Is it only for cars that are still ...

  1. #1
    I Fixed Da Rear jimbo98z's Avatar
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    Mystic Teal
    1998 Z28 M6

    O2 Extensions

    This may be a stupid question, but what applications need O2 extensions? Is it only for cars that are still running cats for the down stream O2's, or is it for the upstream ones. I just ordered headers and I'm wondering if I need to add some O2 extensions to that list...

    Thanks,
    Jim

  2. #2
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Most any longtube header will require an O2 extension to connect the front O2's to the wiring harness.
    2008 Trailblazer SS
    Yank PTB3600, Kooks 1 7/8" LT's, 4" intake, E-fans, Magnaflow, Sonnax kit, tranny cooler, tune.
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    1999 Pontiac Trans Am WS.6 #1747 SOLD
    531.1 RWHP 481.3 FT/Pounds all motor.

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