from what people have done, and dynoed, these bikes seem to have potential to make some very respectable power for there size, and a bit more over stock. i have tbike pipes on my 05 america, but cant tell you what i think till i pick it up in april

Frank

(Former)05 BA tbike pipes, ai removed, Freak, mikuni hsr 42's, 904, ported/polished head, 1mm oversized valves NOW-2010 silver and black tbird