On my SP1 they were brilliant. Very good quality, the only downside was car alarms being set off because they were so loud.
I've just had the high level system fitted good quality, loudish but it does come with a baffle if you feel the need.
Cheers all I'm finding it hard finding a can that I actually like the look of, I like the x kone but just curious as it's very cheap compared to other cans
Got the 2015 indy-race on my 2015 1krr, absolutely love it. Fantastic quality and sound. Zero idle issues from cold starts.
No worries mate, i actually posted a whole thread on my installation here with pics, hope this helps http://www.1000rr.co.uk/threads/installed-my-arrow-indy-race-s-o-exhaust-pics.29087/#post-406055 Ps. sorry for the darkish pictures i finished the job after the sun went down because i started late.
I've got a full arrow system on my 04 blade, also had a full titanium system on my Daytona 675 before . Both are top quality. Great fit. Well made and went on the bike so easily with no porblems. Sound is awesome too, not overly loud but a nice deep rasp