Originally Posted by Project06
I ended up ordering an Eastern Echo II cat assy. Good ratings and price. After ordering i got underneath the jeep and discovered the mini cat flanges to the header were a little loose, tightened up and drove less than 20 miles and the codes cleared themselves! I still think the old cats are a little clogged due to stumble at idle so i will change to the new setup and hold on to the old for a bit before selling for scrap.
Just curious as to how loose they were?
Mine currently look like
It has been throwing a P0431 code.
Did you replace the gaskets when you tightened them?
I am planning on replacing the entire hardware kit.