· Kuryakan Crusher mufflers,Harley header exchange ( deletes catalytic converter in front head pipe),big air kit (screaming eagle air cleaner) stage 1 download, billet HD highway pegs, a 14"&19.5" windshield, detachable luggage rack and sissy bar. Recent service with less than 100 miles on it and new front tire, rear tire is 1 year old and less ...Vance & Hines Fuelpak talk | Page 71 - V-Twin Forum · I soon added a set of Kuryakan crusher mufflers and a kuryakan hypercharger, and a V&H fuelpak. I used setting fp-1511. This ran great at first but soon started to load up on me at low speeds and parking lot driving. Pulled the plugs and it was definitely running rich. Called V&H tech support and they had me lower the numbers in modes 5,6,7,8,&9.