I have to agree with not recommending GGB. I've got their quiet can on my 850. It runs fine in the cold, but in warmer temps definitely runs worse than stock. I still run it though because I dig the sound, and cause Canada, eh? I swap in the stock can come spring.
For the SLP can, have you checked if any local dealers carry it? Mine does, keeps the shipping cost down.
For the SLP can, have you checked if any local dealers carry it? Mine does, keeps the shipping cost down.