What is this part on the cat/downpipe

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tom3

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Did you get the cat back system built in a shop or buy an aftermarket system to install yourself?
 

Doubeleive

Wes
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Cat gutted, also replaced exhaust with a cat back system. No more rattling. Guess we will see if it fails emissions next time I go in.
it will be fine there is no sensor or anything, so as long as there is one there it's a visual pass
 
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fatmonk8

fatmonk8

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Before spending $2 - 3000 on it I'd neatly gut it and see how it goes through inspection. I doubt they would see any problems with the exhaust, especially if you run it on the highway at speed for some miles before testing.
Gonna have to get a replacement anyways. Gutted the cat and the rattling noise is gone, but the drone in crazy loud now. Not exactly the best when driving around a newborn.
 

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