So I'm in the middle of an 1100 rebuild. Turns out the awesome little tubes inside the flame arrestor box for my stock airbox are falling apart. I've heard just build them out of PVC tube and move one, but I'm wondering what kind of kits are out there to convert over to like a K&N style filter intake. Does anyone have a setup like that laying around not being used anymore? Does anyone actually know of a website that sells this aftermarket setup?