Eh, it's quite docile and tunable really. The 509 gets a little spicier...in this video, the exhaust makes the 484 sound meaner than it is. For comparison, herei's mine: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-L85xND5Hyh4.htmlsi=G75MxYWELDveYvd8