Yes they look very nice on both bikes. I did have a 2006 x and fitted arrows to that. I was very please with them.
If you get on ebay have a look at item 301870281973. I have never heard of them but they do look very nice. An oval can which reminds me of an fmf pipe.
They are very close to me too so may have a ride there and have a look at them. No idea what they sound like but they look the part. Dave