Undercoating?

[AJS]

Should I get undercoating or sound deadener? Will that help with hood vibration? Too much weight added? All you owners let me know, getting mine next week.
Thanks

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[sitruunatee]

Adjusting the two knobs under the hood stopped all vibration for me. Honestly, it’s pretty quiet. Some people here have added insulation on the top of their hoods and/or engine covers, but I don’t think there’s a reason to.