Do those Khrome Werks pipes bolt on or are they just held on by the hose clamp? Do they have some sort of baffle and how loud are they? I have short TORs which I like, but don't flow as well as some of the pipes other people run. So I think I either have to go down from #130 mains to 128 if I keep the TORs or put on some better flowing pipes... hmmm. Might be worth a try at that price.