Supra SE Rear Ballast Upgrade (2015-2018)

Maximize the performance of your Supra SE with the WakeMAKERS Factory Ballast Upgrade Kit. This upgrade replaces the factory rear ballast bags with precision-matched 1,320lb WakeMAKERS ExactFIT ballast bags, engineered to fill the rear lockers completely and unlock your boat’s full wake potential.

Whether you’re riding doubles behind a steep wake or chasing endless surf waves, this ballast kit delivers the size and push serious riders demand. More ballast means more displacement—and a bigger, cleaner, more powerful wake.

Seamless Gravity III Integration

This kit is designed to work with your boat’s existing Gravity III ballast system, connecting directly into factory plumbing. You’ll keep full control through your original dash switches, with no need for extra wiring or pumps. Installation is a true plug-and-play process with all required fittings and connectors pre-assembled.

Engineered for Peak Wake Performance

The 1,320lb ExactFIT bags are specially shaped for the Supra SE’s oversized rear lockers, providing a tight, custom fit that maximizes every inch of available space—no wasted volume, no sloppy bag movement, just optimized performance.

Key Features:

• Custom designed for the Supra SE
• Includes two 1,320lb WakeMAKERS ExactFIT ballast bags
• Maximizes ballast capacity in rear lockers for bigger wakes and better wave shape
• Fully integrates with the factory Gravity III ballast system
• Controlled via existing dash switches—no additional hardware required
• Pre-assembled fittings make for an easy plug-and-play install
• DIY-ready or professionally installable at any WakeMAKERS-certified center

What’s Included:

• (1) Port-side 1,320lb ExactFIT Ballast Bag
• (1) Starboard-side 1,320lb ExactFIT Ballast Bag
• All required pre-assembled fittings and connectors