Trail Armor Mud Flap Fender Extensions for RZR S 900, S 1000 & 1000S4 (2015–2020)

Protect your Polaris from mud and debris with Trail Armor’s Mud Flap Fender Extensions for RZR S 900, RZR S 1000, RZR 1000S4, and RZR 4 900 EPS models. These custom-fit RZR fender extensions give your machine the added protection it needs to keep mud, water, and trail spray at bay—all while maintaining Polaris’s aggressive styling.

Constructed from flexible HDPE plastic, Trail Armor’s RZR S 900 mud flaps and RZR S 1000 fender extensions are CNC cut and formed for a precision fit. Built tough, they withstand extreme heat and cold without warping or cracking. Rear coverage is superior to other mud flap kits on the market—perfect for protecting your cab and passengers from tire spray.

💪 Product Highlights:

• Fits RZR Models (2015–2020):
  ✔️ RZR S 900 (2015–2018)
  ✔️ RZR 900 XC (2015–2018)
  ✔️ RZR S 900 EPS (2015–2018)
  ✔️ RZR 4 900 EPS (2015–2018)
  ✔️ RZR S 1000 (2016–2020)
  ✔️ RZR 1000S4 (2017–2020)
• High-Quality HDPE Construction
  ✔️ Textured face for OEM-style finish
  ✔️ Holds shape in harsh climates
  ✔️ Flexible and impact-resistant
• Extended Rear Coverage
  ✔️ Shields riders and vehicle from mud spray
  ✔️ Greater rear protection than competitors
• Precision Fitment
  ✔️ CNC cut to follow vehicle body lines
  ✔️ Preserves Polaris factory design aesthetic
• Easy Installation
  ✔️ Includes all mounting hardware
  ✔️ Step-by-step instructions included
  ✔️ No drilling required on most models

❗ Important Fitment Notes:

• Will NOT fit the 50" wide RZR 900 without RZR S 900-style fender flares (not included).
• Refer to the ALSO FITS chart in the gallery for exact compatibility.

🎨 Color Policy:

• Colors are special order only and final sale
• Not pigment matched to Polaris OEM plastics
• Contact us for help blending with your vehicle’s graphics

🇺🇸 Proudly Made in the USA

Every Trail Armor RZR fender extension kit is built with durability, protection, and American craftsmanship in mind.