O.K., just picked up a Killer Bee last Sunday. PO has a Yoshi FZ1 2001-05 Street TRS slip on. She seems to babble and backfire a lot. Coming off a Kawi ZRX1100. They have a smog removal deal with block offs and the K-Tric is un-plugged to stop-lessen the backfires. Anything like that on the FZ1...