This thing rips. Not sure how changing the wheel made the truck sound so different. If I could do it over I would of have got one of these in a 64-66mm.
https://www.youtube.com/watch?v=Eh-0Dj4tacE&feature=youtube_gdata_player
https://www.youtube.com/watch?v=Eh-0Dj4tacE&feature=youtube_gdata_player