Ok received my test pipe today. How do I go about installing, in reference to the o2 sensor positioning?

 

Your o2 sensor isn't in the test pipe itself, unless you got one of the ons with the elbow on it. All you need to do is unbolt your stock cat and put your test pipe in place of it. Four bolts, gaskets and your good to go. You will need to do some sort of "o2 fix" in order to not throw a CEL. If you did get one with the elbow on it, you will need to cut and extend your o2 wires or pull out slack through the plug hole. Good luck.

 

Possible Cel fixes beside xtending wiring from orginal o2 or use of o2 simulator?

 

Sparkplug antifouler trick!

 

Ok i figured it out...Ill just cut the 4 wires and solder it to the new position....

 

What test pipe did you get? If you got the UR pipe you and put on the 02 sensor on the pipe by taking off the gromet and pulling the wire as long as you can and it should just fit perfect.

 

I just installed my Weapon R catch can and my test pipe the other day, the o2 sensor on the pipe should be aiming in the direction away from the drive shaft.......Best part is u dont even need the exta soder cables for the 02 sensor, just stretch it out alil bit and it will reach the test pipe. Just be careful, it was a BIATCH gettin the o2 sensor out, i had to use sum wd-40 and a pipe wrench to get it out.......

-I can show u sumtime man, just get at me.

p.s. Ur Evo sounded nyce that day we hooked up............