Quote Originally Posted by Quicklynx View Post
If the cutout is closed I shouldn't have sensor issues right??? I'd prefer to not have to go through the cat first then the cutout. I want cutout before and close it during emissions testing. I've never ran a cut out before. I had a full exhaust on the Talon...
He's talking about the upstream O2 sensor, not the downstream O2 sensor. Most cutouts are installed before the cat.