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So Ummmm

I know that the 5.7 had issues with exhaust manifold bolts/studs breaking. Even the aftermarket ARP eventually break. On my 2010 1500 I had to do them at 40k and 210k but I don't consider that a major issue even it is is somewhat common. There are far fewer reports of that on the 6.4 and I haven't seen any on the 2019+. I think it's a non issue.
 
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