I also have a UFO 4-2 system. The quad slash pipes were so loud, my ears would ring for hours after a long ride with ear plugs. No one would ride with me after a few weeks. I ended up putting supertrap superlight stainless cans on it. Sounds great now. I bought my system used for $700 and was...
I had a wobble on decel from new. Didn't happen with both hands on the bars but was there if you took your hands of under decel. I put a large set of Shinkos' on decel wobble was freakin scary, but loved the grip of the tires compared to the factory Dunlops. I tried the head bearing tightening...
My 07 had a bad low speed, decel wabble right from new. Was getting so bad it was starting to scare me and i put on a set of Shinko's and it was worse. Just watched Morley's youtube and went out and tightened the head bearings. Took it for a burn, no more wabble. Thanks Morely!