Quote Originally Posted by colindunn View Post
what about my rear o2 sensor? im deleting my cat but want to keep the o2. is there a hole for that or do i need to modify that also? i know i have to buy an o2 extension from zzp for the front one.
there will be 2 bungs for both O2 sensors but if theres no cat the SES will come on so it needs to be deleted from the PCM

you can buy the extension but i just took extra wire and did it myself for free