Synergy Race Development - 15-22 Mustang Handbrake KitHandbrakes are awesome tools for drifting, but ruining the interior of your car for one isnt so great, especially when you have a 2015 and newer Mustang! We decided that we wanted to create a full interior handbrake option for the S550 Chassis and came up with a mount that allows you to keep 100% of your interior, hides every component besides the handle, and puts the handle in the ideal spot. We dare even say that it is the cleanest handbrake setup