Your reality seems very different from mine. Then again it always seems to be that way between us Mike. That's OK, Keeps it interesting for me.
The 2-2 on ebay now are for the GT and not he Sport. Got a call the other day about this from a Sport that found out the hard way as well as the reverse. A email from Gt customer that got a Sport version being sold as a GT. There is some weird gray market stuff out there
Most are sold as the Bip because it does say BiP on them but are not and are gray market. The card Says BiP GT sport. That can be confusing
hard to know until you put them side by side. That is why I put this page up a while ago so people could make sense of it all
Termi Comparison GT1K vs S1K
The 2-1 are on eBay now for the price I mentioned. Hard to believe it is so low./
Another guy is selling a sport one new for sale but has the Generis Marketing picture of the GT version in black. Will not send pictures of the actual item.
Headers rarely come up. If they do they are damaged. After 12 years of this stuff I have only seen a handful of headers. The commercial sellers are no fools and know the value of the headers and the prices are not cheap. If you get that rare private seller selling headers they are a little cheaper but like you know the value of things that will keep the price up there.
There are very few bargains anymore for used Sport classic specific parts.
The S1K full disassembled one on ebay that has been ceramic coated had surface damage originally Seemed like abrasions and no serious damage. This has been around for about 8 months. No telling the true condition until you have it in hand and mounted to verify and check the fit.
So as I said your reality seems different from mine. I'm basing mine on actual parts being sold now.
I disagree with above. the 2:2 are readily available and have been re-released only recently selling for $1200 USD new.
I was able to score 3 of the 2:2 slip-on systems used (in close to perfect condition) ranging between 500-700 USD. you will NOT get the 2:1 full system for that price
as for the original header, you can get them cheap too. just check online, they come up
my advice, keep your 2:1 system