eh, looks like more of the mass produced stuff from China, they always have the same retaining ring and end cap.Hindle as already something out on the market. I've checked on Motovan.com and both slip-on and full exhaust are avail for the 2011 CBR250R.
Hindle Exhaust Systems | Aftermarket Motorcycle Exhaust Systems
Same old chinese retaining strap and end tips there. May as well choose the cheapest one from all the manufacturers that have the same looking cans. Since they are all essentially the same.read somewhere else that screaming demon will have a pipe ready in 2-3 weeks