I think your catalytic converter is coming apart inside
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I think your catalytic converter is coming apart inside
230 hp 4.3L Chevy
Built 4L60E with manual lockout
Atlas 4 speed
Griffin radiator
On board air
Warn 9.5ti on custom bumper
7.5" RE front and bastard pack rear on custom long arms
30 gal gas tank
lockers
And a bunch of other stuff
My cat is brand new.. about 3 months ago I got it. And I hear the noise with the hood up on passengers side somewhere towards the back of the valve cover but on the lower part of engine. It's drove perfectly fine. I parked it for a couple months bit I made sure to start it once a week.. battery died I got it jumped took it for a drive to charge battery and that's when it started happening.
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