The speaker switches location several time in the movie. First scene it's on the right as it needs to be in frame along with the engine, pink shells and extra pipe as Oddball chats about the "Secret Weapons" apart from the engine upgrades.
When I make this a kit, it will have both speakers. The clean one from the first scene, and the bent one from the later part of the movie! It has a curved mount cat one, so it works just about anywhere on a round turret.