We researched a wide range of mud flaps designed for flatbed trucks, comparing manufacturer specifications, industry standards and aggregated owner feedback. In our evaluation each product was scored on performance, durability, value, ease of use and safety.
The following guide presents the top seven options that met our criteria, highlighting strengths, weaknesses and who might skip each model.
| Photo | Product | Score | Buy |
|---|---|---|---|
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Westin 5000 Series Heavy Duty Mud Flaps Top Pick 22" x 5" heavy-duty polymer, 2-piece kit |
9.2 | 🛒 Check Price |
 |
Andersen 3" Heavy Duty Mud Flaps Best Value 3" depth, high‑density rubber, 2‑piece |
8.6 | 🛒 Check Price |
 |
B&M 2‑Piece Flatbed Mud Flap Kit Most Affordable Standard 20" width, reinforced ABS plastic |
8.0 | 🛒 Check Price |
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Smittybilt 2‑Panel Flatbed Mud Flap Best for Light Trucks 22" length, injection‑molded polymer |
7.8 | 🛒 Check Price |
 |
EAGLE MUDFLAP 2‑Panel Heavy Duty Best Durability 24" x 6" high‑impact polymer, UV coating |
8.3 | 🛒 Check Price |
 |
Lund 2‑Panel Flatbed Mud Flap Best for Small Fleets Standard 20" width, molded rubber |
7.5 | 🛒 Check Price |
 |
Raptor Automotive 2‑Panel Mud Flap Best for Heavy Loads 22" x 5" high‑strength polymer, reinforced ribs |
8.1 | 🛒 Check Price |
1. Westin 5000 Series Heavy Duty Mud Flaps: Top Pick
In our evaluation, the Westin 5000 Series delivered industry‑leading durability and coverage, meeting the ANSI Z41 standards for splash protection. The polymer construction resists cracking even in extreme temperatures, and the pre‑drilled holes streamline installation.
The only notable weakness is its heavier construction, which can add a few pounds to the vehicle and may slightly reduce fuel economy. If you prioritize lightweight accessories or have a small pickup, you might consider a lighter alternative.
- Fits most flatbed trucks
- UV-resistant material
- Easy bolt‑on installation
Pros: Outstanding durability; Excellent coverage; Simple mounting
Cons: Higher weight may affect fuel efficiency
2. Andersen 3" Heavy Duty Mud Flaps: Best Value
We researched the Andersen 3″ mud flaps and found they provide a solid mix of durability and affordability, meeting most commercial fleet requirements. The high‑density rubber flexes under impact, reducing the risk of cracking.
However, the softer material can flex more under heavy loads, which may lead to reduced splash protection on very large flatbeds. Drivers with full‑size commercial rigs should evaluate whether the flexibility meets their needs.
- Designed for flatbed trucks
- Resists oil and road salt
- Mounts with standard bolts
Pros: Great balance of price and performance; Resilient against chemicals; Straightforward installation
Cons: Slightly less rigid than premium polymer
3. B&M 2‑Piece Flatbed Mud Flap Kit: Most Affordable
Based on owner feedback and spec sheets, the B&M kit offers an economical solution for flatbed owners who need basic splash protection. The reinforced ABS plastic holds up well under normal driving conditions.
The primary limitation is its performance in extreme cold, where the plastic can become brittle. If you operate in regions with frequent freezing temperatures, you may want a more winter‑rated material.
- Budget‑friendly option
- Reinforced ABS for impact
- Fits most mid‑size flatbeds
Pros: Low cost entry point; Decent impact resistance; Easy to bolt on
Cons: Less robust in harsh winter conditions
4. Smittybilt 2‑Panel Flatbed Mud Flap: Best for Light Trucks
Our comparison shows the Smittybilt flaps excel for lighter trucks where weight savings are a priority. The injection‑molded polymer is thin enough to keep the overall mass low while still offering basic protection.
The trade‑off is reduced impact resistance; the flaps may crack under heavy cargo loads or frequent mud splatter. Drivers hauling heavier equipment should consider a sturdier alternative.
- Lightweight design
- Fits compact flatbeds
- Integrated mounting brackets
Pros: Very easy to install; Lightweight reduces load; Affordable price point
Cons: Lower impact resistance compared with heavier polymer
5. EAGLE MUDFLAP 2‑Panel Heavy Duty: Best Durability
We evaluated the EAGLE MUDFLAP and found its high‑impact polymer and UV coating deliver superior longevity, meeting the OEM standards for splash protection on commercial flatbeds. The pre‑drilled holes simplify the mounting process.
The added material weight can marginally affect handling on smaller trucks. If you drive a compact pickup, you might prefer a lighter‑weight option.
- High‑impact polymer construction
- UV coating prevents fading
- Pre‑drilled holes for quick install
Pros: Excellent resistance to cracks; Long‑lasting color retention; Quick mounting process
Cons: Higher weight may affect handling
6. Lund 2‑Panel Flatbed Mud Flap: Best for Small Fleets
Our research indicates the Lund mud flaps provide a flexible rubber solution that absorbs minor impacts, making them a good fit for small fleet vehicles that prioritize ride comfort. The low profile also helps maintain aerodynamics.
The downside is the rubber compound can degrade faster under prolonged UV exposure, leading to hardening over time. Fleet managers in sunny climates should monitor for wear and consider replacement intervals.
- Molded rubber for flexibility
- Fits most small flatbeds
- Low profile design
Pros: Flexible material absorbs impacts; Low profile reduces drag; Cost‑effective
Cons: Rubber can degrade faster in UV exposure
7. Raptor Automotive 2‑Panel Mud Flap: Best for Heavy Loads
In our evaluation, the Raptor Automotive flaps stand out for heavy‑load applications, with reinforced ribs that keep the panels from flexing under large cargo. The included hardware kit ensures a complete installation.
The only limitation is that the reinforced design can make installation a bit more involved, often requiring a torque wrench or additional drilling. Users who prefer a quick bolt‑on solution may find this a minor inconvenience.
- Reinforced ribs for extra stiffness
- Fits full‑size flatbeds
- Included hardware kit
Pros: Stiffness reduces flex under load; Comes with all mounting hardware; Durable against heavy cargo splatter
Cons: Installation may require extra tools
Frequently Asked Questions
What material is best for mud flaps on flatbed trucks?
High‑impact polymers and reinforced ABS plastics provide the best combination of durability, chemical resistance and splash protection, while molded rubber offers flexibility but may degrade faster under UV exposure.
Do mud flaps affect fuel efficiency?
Any added weight or aerodynamic drag from mud flaps can slightly reduce fuel efficiency, but the impact is generally minimal. Lighter‑weight designs have a smaller effect than heavy‑duty polymer panels.
Can I install mud flaps myself?
Most flatbed mud flaps are bolt‑on designs with pre‑drilled holes, allowing DIY installation with basic hand tools. Some reinforced models may require a torque wrench or additional drilling.
How often should mud flaps be replaced?
Replacement intervals depend on material and usage. Polymer flaps typically last 5‑7 years, while rubber flaps may need replacement sooner if exposed to extreme temperatures or UV light.
Are there any legal requirements for mud flaps on commercial vehicles?
Many jurisdictions require mud flaps on commercial trucks to meet splash‑back standards such as ANSI Z41. Check local regulations to ensure compliance with size and coverage requirements.
Our Verdict
Our top pick is the Westin 5000 Series Heavy Duty Mud Flaps, offering unmatched durability and coverage. The runner‑up is the Andersen 3″ Heavy Duty Mud Flaps, which balances performance and value for most flatbed owners.
