Yours is an 04 GP correct? If it is it is just like mine and it does not have the oxygen sensor, it has ta MAF sensor. That means no need to put holes to put that in.
Just take out the whole air box, Zip tie the PCM to the base of where the air box used to sit, Then get the cone filter and clamp it into the end of the MAF and zip tie it to something so it stays still and you are done. I am guessing your car is not from CA like mine and dont need further Modding to make it work with the extra hose that mine had, so compared to mine yours is much easier to do. BUT thats your choice