No drone whatsoever but you can tell the secondary cats have been removed (take that for what it's worth).
It was essentially bolt up but I did have to cut the OEM pipes forward of the OEM suitcase.
Others reported having to spread the 60606 at the ends to mate with the OEM pipe width coming out of the suitcase. I didn't have to do any of that. Inside to inside of the stock pipes was 29cm the 60606 was 28.5. These butt end clamps made the install a breeze:
https://www.summitracing.com/parts/vpe-1176/overview/