Reminds me of the old www.thesquawkshoppe.com.
Always claimed to be hacked as the reason for delays , head sets were average at best, if I remember correctly he built them in a shed
did custom paint job on the cups etc
I know when we went Surefly in the Dakota, Surefly recommended a new harness from Aircraft Ignition Services, LLC in Texas. 3 years ago that was about $550
I know I have seen posts before on the subject it can’t find them, looking for the company that stocks or makes internal components for pipers, like air vents and fuse box covers
TIA