2007 LTZ Catalytic Convertor Woes

[okfoz]

What brand Catalytic convertors are people having good luck and bad luck with?
2007 LTZ 5.3 4WD

Superior - The Ebay Brand
Evan Fisher - REPC960340
Ultra Power - 3011802
Davico - 19406
Original Performance - OPCG4052A
Walker - 50469
AP / Eastern - 645459
FVP - 50450
Davico - 49406 (Twice the price of all the others)

 

[swathdiver]

My Magnaflow 51578 has been on for 5+ years and 65K miles without issue.

 

[Geotrash]

I have a Davico in my Land Rover and it’s been great for 40,000 miles now. I wouldn’t hesitate to install them in either of my Yukons if they needed them.