Noise suppressor for intercom
The intercom had a noticeably irritating alternator whine after installing and testing, pitch increased with RPM. There's an official noise suppressor from Rugged but is $40 before shipping, import duty...
Intercom
The Sportster is great for short trips and hooning little, but it isn't quiet and on longer journeys that can be fatiguing. You also mostly can't hear the head unit...