I have been driving for about a month now w/ out a O2 sim and the check engine light on. To me it seems the power is not as smooth as before and the gas milage has gone down just a little, not too much. I'll be getting the sim at the end of the month and will try to do a write up on installing it.

 

Alright guys, I installed my 02 sim about 3 days ago now. I'm pretty happy with it. When I got the test pipe put on I had a CEL by the end of day 2. Now w/ the sim in I have no CEL on my 3rd day. I said I would do a writeup on the install but someone has already made a great diagam and it has all the info you really need to install it. I have put the link below. If you have any questions feel free to PM me and I'll gladly answer.

Diagram

 

Hey all,
How about that test pipe?
1. Any power difference?
2. Did the exaust make more noise?

 

I installed the simulator, no ce light anymore. It also seems to pull a little bit harder now. I ran against my friend on the highway who trapped at 105 in the 1/4 and we were neck and neck, neither was pulling.

 

I have an O2 simulator brand new for sale for $45 that is garenteed to work.