Originally Posted by AlbertFattal
What does it sound like with the gutted cats? Is it noticeable? The sensor doesn't give you a check engine light? Do you think it will pass emissions?
I have not put it on the lift to verify yet, but I have been told that ALL Mercedes O2 sensors are in front of the Cats. No it will not pass emissions, and if you get caught the fine is hefty. But if you were using this for "Off Road Purposes" then no issues...
