Headers hitting a/couple line or bracket

[DougS550]

I noticed a couple of days ago, it looks like my headers r touching the A/C line. At idle its fine but I'm thinking when I step on the gas and the engine torques over it hitting the line. Anybody with this issue? Someone said it can cause false knock? I have 1 7/8 ARH

This happens with most headers. Like me, I bent my AC block/lines outward using a 24" pry bar and I carefull not to dent the lines. I also put thermal wrap around my LTH prior to install. I have a gap with No Contact. Good Luck

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