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Just Installed Headers Y Pipe, Now Hesitating

This is a discussion on Just Installed Headers Y Pipe, Now Hesitating within the External Engine forums, part of the LSx Technical Help Section category; 1998 Z28, installed mac mid length headers with off road y pipe, no cats, open back. It seems to be ...

  1. #1
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    black
    98 z28

    Just Installed Headers Y Pipe, Now Hesitating

    1998 Z28, installed mac mid length headers with off road y pipe, no cats, open back. It seems to be missing a little after the install. Is this a tune problem, or will it clear up after bolting on the cat back? Also, the steering is rubbing against the header (not bad), but you can feel it. Will this hurt anything? Thanks
    Last edited by johnshuler08; 06-25-2008 at 04:22 PM. Reason: no replies

  2. #2
    That guy thearborbarber's Avatar
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    White over Red
    1991 Suburban

    I'd check for an exhaust leak somewhere before the O2 sensors. On EFI engines exhaust leaks can make the computer do weird stuff.

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