The flashload mod is for bikes with the 1.5 ecu, like the fuel injected 750/900SS lineup. Your bike has the newer 5.9 ecu which is not reprogrammable. If you are just installing slipon exhaust, your stock ecu can be "tweaked" to accomodate it just fine. If you go high compression/porting/cams etc...then you'd need to either purchase a DP "kit" that includes a matched ecu OR purchase an FIM U59 mappable unit and have it programmed to fit your mods by an FIM service shop. There are many shops around the US that have the FIM mapping capabilities.