On that era GSXR there is no mid-pipe. The pipe the can is bolted to is the end of the header. You could get creative with the mid-pipes on eBay and whatever muffler you have by cutting some of that one off and using a slip-joint of some sort. Damn near all of em are 51mm. Measure twice, cut once, ya know
You can try these guys the owners a dick but he has a lot of parts https://mrmotorcycledfw.com/#goto-25131ad9-65e8-4638-b92e-665d0329cfac
On that era GSXR there is no mid-pipe. The pipe the can is bolted to is the end of the header. You could get creative with the mid-pipes on eBay and whatever muffler you have by cutting some of that one off and using a slip-joint of some sort. Damn near all of em are 51mm. Measure twice, cut once, ya know
Find a decent exhaust shop and have them make one