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Would someone tell me the difference between the Harley H-D BOOM Audio Full Helmet Headset 77117-10 NR and a HD 77147-98A headset? Thank You
My buddy got the 77147-98a with his new 11 RG ultra. I bought 2 of the 77117-10 for my 09 ultra. They look identical. I had thought the 98a was the older pre Boom style, not so.
Audio Difference
