Replacing Cat 02 bung
#1
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Join Date: Feb 2009
Location: Brantford, ON
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Year: 1996
Model: Cherokee
Engine: 4.0 L
Replacing Cat 02 bung
I am a cheap *** and want to use a universal cat when I replace mine. Problem is my old cat has the o2 bung on the cat. Would it mess anything up to weld in a new bung just a few inches downstream in the outlet pipe? If I do do I need to get an actual bung, or will a nut that fits the O2 work?
#2
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Year: 1996
Model: Cherokee
Engine: 4.0l
i just replaced the cat on my 96 and i bought a 55$ dyno max cat, 3$ weld in o2 bung and 12$ or 4 feet of 2.5" pipe, 30$ raptor welded muffler and had an ehaust shop build me a tail pipe for 35$. i did all the labor and welding myself all 2.5". sounds awesome and came out clean!!! I could not find a nut that the o2 sensor would fit but the pipe i took off had a nut welded on for the bung and it looked absolutely horrible.... i don't know how it didn't leak!!
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