[RAYSRT8]

Originally Posted by Roger Ramjet

They are NOT the same. These have catylist wires that change the gas content presented to the O2 sensors and produce heat in the exhaust stream. You might want to look again.

http://www.bigdaddiesgarage.com/mini-cat-cel-fix.html

I did not say they were exactly the same as I stated they were pretty much the same thing and both have the same concept. If you want to spend that much for the same results then by all means that is your choice.