Need some help with 2mfab cat deletes

[2004mustanggt]

I just ordered 2mfab cat deletes for my GEN 3 23 Coyote. The kit did not come with O2 sensors and harness. Will the factory O2 sensors and harness work or do I have to get different ones? Any help will be appreciated thank you in advance.

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[LOL WUT]

If the factory 02s reach they will work. You may need 02 harness extensions though. Likely available online somewhere.

 

[HKusp]

Get the F150 O2 sensors from Rock Auto if you need to extend yours. It's the same sensor with a longer pig tail.

https://www.mustang6g.com/forums/threads/f150-o2-sensors-with-header-swap.186935/

 

[K Myers]

I just ordered 2mfab cat deletes for my GEN 3 23 Coyote. The kit did not come with O2 sensors and harness. Will the factory O2 sensors and harness work or do I have to get different ones? Any help will be appreciated thank you in advance.

Are you getting a tune for it, you might have to because you did a cat delete. And if you do tell the tuner you have "off road headers" and he wil l write you the right tune. Tell me how you like the sound. I have then also

 

[HKusp]

You don't need a tune. I ran long tubes, with cat deletes for over a year on the stock tune. Other than a check engine light and increased exhaust smell, you will have no issues.

 

[Salty]

I just ordered 2mfab cat deletes for my GEN 3 23 Coyote. The kit did not come with O2 sensors and harness. Will the factory O2 sensors and harness work or do I have to get different ones? Any help will be appreciated thank you in advance.

Did the factory harness reach?? Just curious how long did it take you to receive these?

 

[2004mustanggt]

Did the factory harness reach?? Just curious how long did it take you to receive these?

didn’t install them yet

 

[K Myers]

You don't need a tune. I ran long tubes, with cat deletes for over a year on the stock tune. Other than a check engine light and increased exhaust smell, you will have no issues.

I agree but the check engine light can be turned off and maximize your Headers out put

 

[K Myers]

I just ordered 2mfab cat deletes for my GEN 3 23 Coyote. The kit did not come with O2 sensors and harness. Will the factory O2 sensors and harness work or do I have to get different ones? Any help will be appreciated thank you in advance.

Factory works

 

[Bonedizzle]

yes, no extensions needed

 

[2004mustanggt]

Another question before I start install. You’re able to cut and weld the flange on to the passenger side manifold without taking the manifold completely out? Any help would be appreciated thank you.

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