Malibu PiggyBack Rear Factory Ballast Upgrade

Malibu PiggyBack Rear Factory Ballast Upgrade


In stock Ships on Monday

*Discount codes do not apply to this item.


Warranty 2 Years
Manufacturer WakeMAKERS - view brand page
Item # 42401


The PiggyBack Factory Ballast Upgrade improves the total capacity in each rear locker to over 1,000 lbs. by integrating custom fitted WakeMAKERS Rear LBS bags above the existing 250 lb. factory hard tanks.


Our exclusive Malibu PiggyBack ballast upgrade solution has been completely re-engineered for far faster draining, and even easier installation.

Unlock your boat's performance by adding over four times the capacity to the factory ballast system.

The factory rear hard tank in your boat currently holds 250 pounds of water. Our PiggyBack upgrade will allow you to add an additional ballast bag on top of the factory system for over 1,000 pounds of wake building capacity in each rear locker! Just imagine the improvement in the surf wake you'll see with that much additional weight.

LBS Ballast Bag Features

WakeMAKERS LBS Ballast Bags

The WakeMAKERS Locker Ballast Solution (LBS) ballast bags give you the fit of a custom bag without the lofty price tag. Designed to mimic the actual shape of the rear lockers in a v-drive boat, the bags feature a sloped front panel and gradually get wider at the top. The result is a truer fit that results in more capacity (a bigger wake!)

Available in a multitude of sizes, you can be sure that the LBS bag selected for your ballast upgrade will fit and perform much better than a standard off-the-shelf ballast bag.

Made for Malibu Boats

Made for Malibu Boats

Designed specifically for the boat they will be installed in, our Malibu PiggyBack upgrade systems are guaranteed to fit and perform perfectly. Trust the experts that your system will work exactly as you expect, because it's made just for your boat.

Quick Connect Fittings

Direct Connect System

The pre-terminated hoses and Flow-Rite Qwik-Lok fittings give it and OEM factory look while making it easy to remove the bags for routine cleaning, additional storage, or winterization.

DIY Installation

DIY Installation

Our PiggyBack upgrades are designed to be installed quickly and easily by you! In fact, the entire installation can be performed with just a screwdriver and many customers tell us they finish the installation in less than 15 minutes. Oh, and did we mention it's completely reversible with no modifications if you decide to sell your boat?

Of course if you would prefer to let the professionals handle it, any dealership or marine service center will be happy to take care of the installation for you.

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  • 7/7/2017
    Great system - must have addon over stock ballast.
    Adam Tabor

    I had read some poor reviews of this system on themalibucrew, but I had already read that the design was changed very recently and that the issues were solved. This seems to be true as my system fills and drains smoothly. The time is obviously longer to fill additional 900 over the stock 250 per side, but its a linear increase based on the additional size. Nothing unexpected or troublesome.

    The fittings are great, the bag quick disconnects and can be removed cleaning or drying out the compartments. No leaks.

    Took about an hours to install the first side - and a half hour to install the second side.

    The wakemakers panel supports are a MUST with this kit. If you don't already have them installed buy them and take advantage of the free shipping for the large order.

    No special tools required - screwdriver, adjustable wrench, hairdryer to warm up the old hoses. Everything needed is included.

  • 6/23/2017
    Great product once installed
    Derek Fairchild

    Great product. Plug and play but install was tough until you figured it out. Instructions are very vague if you arent 100% familiar with your stock ballast hose routing and even then, I dont think they are venting correctly as it seems that there is a ton of air trapped in the tops of the piggybacks(I have an inquiry in to tech support for this). Storage floor had to be removed to gain access to stock hard tank connections. Once one side was complete, the other side only took 20-30 min. 07 23 LSV

  • 6/20/2017
    Great product, difficult install for our VLX
    Eric Seiber

    Delighted with the product, but the install was not simple on our 07 VLX. Ours lacked the access ports so we had to pull the floors to reach the hard tanks. A CD or YouTube video illustrating the install would have been very welcome.

  • 5/19/2017
    The best wave yet.........
    Mike Basham

    This the best bang for your buck ballast system around. Easy install with just s few tools and common sense. The bags created a wave without the Malibu wedge deployed that was fast long and very surfable. Follow the diagram on the back of the instructions and take a few minutes to plan out your install it will take about 1 and 1/2 hours to complete.

  • 5/9/2017
    Very impressed!
    Ryan Perchak

    Bravo wakemakers!
    We thought about making a backyard version of this product and decided to get the WMakers version for simplicity reasons. It's literally a plug and play system. Yes, you will have to get your hands a little dirty to figure out which hoses get connected to the proper fittings but if you can figure that out, you'll love this set up. The first bag took about 50 minutes to connect including unpackaging, collecting the proper tools and finding a hair dryer to loosen the hoses. The second bag only took 20 minutes to install which is very impressive!
    Thanks again WM for making this product easy to install and simple enough for most backyard mechanics to understand!

  • 8/22/2016
    Good but has some frustrating quirks
    Nolan Miller

    First I'm going to say I have gotten two of these and isntalling them was not as easy as they say. I averaged about one and a half hours installing one. Also if you are planning to fill them fully you will need the divider supports. Figured that out the hard way as we were filling it we blew a divider panel as it was filling. The thing that makes me the most angry about these so far is that the fittings for the bag cross thread very easily. I do not know exactly why they do this but now I have cross threaded it three times now! Other then that they fill and work great.