There are quite a few posts on here about them:
http://www.triumphrat.net/modules.ph...57941&forum=20
And this is what the guy in the video said on this site
"Hi, the bike in the video is mine with wolf cans on, i can tell you that i am still getting 42-46 mpg, you can notice the power increase mainly at 6-8rpm and all round feels like it wants to go it bloody sounds great.
Wolf put there bike on the dyno after fitting and map & a 6bhp increase.
Went to a triumph dealer a couple weeks ago & the mechanic was well inpressed, said it was a lot louder than the tor, deeper & throatier.
Lost all my heat problems from seat & grab rail with the carbon cans.
All in all the best bit of kit i have brought & i just don't want to get off the bike now"
And another guy said
""I would like to take this opportunity to compliment you on the dam fine workmanship on this system, especially the joining pipe 1 into 3, is a superior piece of art, the pipes themselves are also outstanding and really compliment the rear end of the Sprint. Now it totally looks awesome. and the Sound is unreal. I didn't even think my bike could sound like that."
Well done to you."
All in all we have only had positive feedback on this and frankly looking at it and hearing it I am not surprised- it's beautiful!!
BTW - since the first pipes went out we have improved the pipe work for slightly better flow and now see 7.8 bhp increase on the dyno with the TOR tune.
If anyone needs more info please just drop me a line...