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Old 06-09-2022, 10:00 PM   #1
Yamero
 
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Default Catalytic converter

ok, the exhaust tube broke right at the end of the catalytic converter. Can this be welded? Can it be run without the catalytic converter? 1991 D21 5 speed base model
Here is a picture of where it broke
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Old 06-09-2022, 10:04 PM   #2
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Yes, and yes but maybe not well and maybe not legally. A decent exhaust shop should be able to weld that right up, though.
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Old 06-09-2022, 11:50 PM   #3
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Yes, and yes but maybe not well and maybe not legally. A decent exhaust shop should be able to weld that right up, though.
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Old 06-10-2022, 01:33 AM   #4
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Check with your State Inspection office to see if the CAT is required.
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Old 06-10-2022, 02:50 AM   #5
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Check with your State Inspection office to see if the CAT is required.

The requirement of a cat is federal.





Most shops will have to buy law make sure you have a cat if it came.in with a cat.
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Old 06-10-2022, 11:08 PM   #6
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that looks like the flange still bolted to the cat, scribe a line, pipe to flange, then unbolt it and take it and the back half of the pipe to get welded... unless the truck is not too loud, then drive it to get it welded, which would be much easier, going back to bed lol
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Old 06-11-2022, 02:12 PM   #7
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I used this temporarily a few months on my 1998 Frontier until I could figure out which converter to purchase (it was unbolted and stolen in my driveway, a quirk of living in no-rust Arizona). No driving issues, and no check engine light Maybe you could rig up something similar.

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