The front O2's are the super expensive ones. They're accurate widebands that are used for realtime A:F mixing. The rears (what he damaged) should be less, they're the slow-*** emissions only ones.
EDIT: Courtesyparts.com lists the rears at $151.98 each, and the fronts at $338.69 each.
Last edited by wstar; 10-24-2011 at 11:53 PM.
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