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2020-2024 Can-Am Defender XMR Ultra Max Fender Extensions



MudBusters made in the USA
peace of mind warranty

MudBusters Ultra Max Fender Extensions for 2020+ Can-Am Defender XMR

The ultimate choice for the ardent hunter and those who have equipped their Can-Am Defender XMR with Portals or Tracks, MudBusters Ultra Max Fender Extensions provide unparalleled protection against mud and debris. Designed for those needing additional coverage for waterfowl hunting and rugged outdoor excursions, these extensions are perfectly mated to BRP Sport Fender Flares Part# 715003898, offering the maximum defense without compromising the quality MudBusters is known for.

Ultra Max Front Fender Flares

  • 9-inch extension in front of your front tire.
  • 5 inches of additional coverage above your front tire.
  • 4 inches in the middle of your front fender.
  • 8.5 inches of additional coverage added behind your front tire.

Ultra Max Rear Fender Flares

  • 7.5 inches of additional coverage in front of your rear tire.
  • 6 inches above your rear tires.
  • 9 inches of added coverage behind your rear tire.
  • Does not extend out past your taillight.

Engineered with virgin, unprocessed materials and resistant to sunlight and cleaning chemicals, MudBusters Ultra Max exhibits the ultimate in flexibility and strength. Textured on the outside and slick on the inside, they make cleaning effortless, ensuring that you spend more time hunting and less time maintaining. The Ultra Max Combo Kit, including our exclusive Dumpbed Protection Panels, offers protection against muck buildup under the bed that can weigh you down. Our Lifetime Peace of Mind warranty underscores our confidence in these our product, a benefit of being the Manufacturer and being an American Business, we make our product ourselves in house and do not outsource our Manufacturing, so no container ship from the ocean here. With MudBusters Ultra Max, you truly have the best protection and true American Made quality, tailored for the serious outdoor enthusiast.

About the Design

The Ultra Max front fender flares are a robust two-piece assembly, designed to extend outward and cover more of the tire tread. The rear flares 4-piece design not only adds substantial protection but also complements the dump bed's functionality, providing complete sealing against mud intrusion. For those seeking maximum protection, our Ultra Max Combo Kit, including the Dumpbed Protection Panels, ensures your vehicle stays agile and mud-free. Pre-formed to fit flawlessly, MudBusters Ultra Max comes complete with an installation guide and hardware.

About Fitment

Exclusively crafted for 2020+ Can-Am Defender XMR and vehicles with the BRP Sport Fender Flares Part# 715003898, these Ultra Max extensions will not fit Defenders with BRP Fender Flares Part# 715006821, Defender Pro, or Defender 6x6 models. Those with Nerf bars or other wheel well accessories may need minor modifications, a straightforward task for any hunting enthusiast. Be sure to review our return policy before proceeding with alterations.

Warning This product can expose you to chemicals, including phthalates which are known to the State of California to cause cancer or birth defects or other reproductive harm. For more info, go to

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