Back in the saddle after 20yrs, got an 05 flstni for xmas.Will be adding v&h straightshots hs,se filter kit and a power commander.Questions I have are,should I wait til after the 500 mile break in or is that not an issue?Also,what do the stage 1 ecu and dyno tune do and are they nessesary?I'd appreciate some input and schooling
