When in Doubt Confirm Fitment
2025-2026 Yamaha RMAX4 1000 Ultra Max Fender Flares (Full-Size / Dump Bed)
2025+ RMAX4 Full-Size Compatibility: Fits the new 2025–2026 RMAX4 1000 with the 118" wheelbase and dump bed. Note: Rear fitment is specific to the dump bed chassis and is not compatible with RMAX4 "Compact" (fixed box) models or older Wolverine/Viking machines.
| Location for Ultra Max Coverage | Measurements |
|---|---|
| Front | |
| Above the Front Tire | 11 in |
| Middle of Front Tire | 7.5 in |
| Behind Front Tire | 8.5 in |
| Rear | |
| Above Rear Tire | 7 in |
| Middle of Rear Tire | |
| Behind the Rear Tire | 9 in |
About these MudBusters
Maximum coverage for maximum builds. MudBusters Ultra Max Fender Flares deliver the most extensive protection available for the Yamaha Wolverine RMAX4 1000 four-seat models with dump bed. Built for wide-offset wheels, deep-mud adventures, and waterfowl hunting rack setups.
Fitment: 2025-2026 Yamaha Wolverine RMAX4 1000 four-seat models with dump bed (non-compact).
Built for Serious Mud
When you're on swamp duty and mud is a constant battle, you need flares that can keep up. MudBusters Ultra Max Fender Flares surround your wheel wells with complete coverage, transforming tidal waves of mud into manageable spray. Whether you're running portal lifts, oversized tires, or a fully-loaded hunting rig, Ultra Max has you covered.
Designed for Dump Bed Compatibility
The custom one-piece front and two-piece rear design works seamlessly with your dump bed. The kit includes both upper and lower rear flares for full-cab shielding, protecting you, your passengers, and your cargo from all angles.
Coverage Specifications
Front Fender Coverage
- 11 inches of coverage above the front tire
- 7.5 inches added at mid-fender
- 8.5 inches of coverage behind the front tire
Rear Fender Coverage
- Upper and lower flares included
- 9 inches of coverage in front of the rear tire
- 7 inches added above the rear tire
- 9 inches of coverage beside the tail light
Built to Order, Built to Last
Every set of MudBusters Ultra Max Fender Flares is made from virgin HMWPE (High Molecular Weight Polyethylene). This UV-stable material flexes on impact while maintaining its shape, handling whatever punishment your trails dish out.
Peace of Mind Lifetime Warranty
MudBusters stands behind every product with our Lifetime Warranty. Ride hard knowing your investment is protected.
Proudly Made in the USA
Every MudBusters kit is manufactured in the United States using high-quality American materials. Built to order and built to last.
Made in USA | Ultra Max Coverage | Dump Bed Compatible | Lifetime Warranty
