o2 sims and cutout

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Oct 13, 2003 | 08:49 PM

z28marine

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Joined: Jan 2003

Posts: 503

From: CA

o2 sims and cutout

Do u need an o2 sim if you have a cutout?

Oct 13, 2003 | 09:15 PM

AsianSensation

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Joined: Jul 2003

Posts: 870

From: Indianola, MS

Not on OBD1. Nor OBD2 of you put the cutout after the cats.

Oct 13, 2003 | 09:23 PM

z28marine

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Posts: 503

From: CA

after the cat only on OBDII? or on both of them?

Oct 13, 2003 | 09:27 PM

AsianSensation

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Posts: 870

From: Indianola, MS

Most people put the cutout way past the cats near the rear axle.

Oct 14, 2003 | 07:39 AM

EviLBoX

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Joined: Dec 1999

Posts: 825

From: Houston, TX

You only need O2 sims if you have OBDII and you remove or bypass the cats. A cutout after the cats won't harm anything.

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