View Full Version : What size ballast?

08-07-2008, 06:55 PM
Are the ballast in the grav 3 upgrade in an obv 06 400 on either side. i wanna swap to 750s on either side, is it worth it........is there a big difference in wake size from the 2. They do fit don't they? Help lol.......

08-07-2008, 07:10 PM
why is it useless? i dont understand?

08-07-2008, 07:15 PM
i mean i know there's always a diff when u add wake, so i guess my question is are mine 400s now?