Fuel pressure ? And fuel snubber ?

I put my fp gauge in about an hour ago. I have my air dog set between 40-45 psi. At wot it doesn't drop below 40psi. Is that a good or bad thing? The reason I said 40-45psi brings me to my next question...

I need a fuel snubber for the erratic needle bounce before I ruin an $80 gauge. Where is the best spot to install it and who to get it from?

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