My friend has a CELfix for his wrx, with a test pipe on it, and im wondering if anyone knows if theres something like this for a 98 civic, because my O2 sensor is going crazy, and he said to find this but i cant find anything by that name...ANy ideas?

 

http://www.defcon-racing.com/o2sim.html that will cure it

 

or http://www.o2simulator.com/deal25.html $25 shipped, works perfectly