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Apex N1 exhaust and down pipe (no cat)

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madman

madman

20+ Year Contributor
472
3
Oct 9, 2003
Kansas City, Missouri
just installed the new exhuast and the check engine light is on all the time. i even had bought a new o2sensor for the exhuast. anyone know a way to get that thing to shut off.

is it ok to run with the o2sensor wires disconted?

i've tried resetting the ECU.
 
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