POLARIS 123446 Pipe Manifold Header

( Manufacturer Part Number: 123446 ), ( Part Type: Pipe Manifold Header )

Review POLARIS Pipe Manifold Header fits DRAGON RMK 800 2009

The **Polaris 123446 2009 RMK 800 Dragon Pipe Manifold Header** is a precision-engineered component designed exclusively for the iconic 2009 Polaris RMK 800 Dragon, a high-performance off-road motorcycle renowned for its aggressive styling, cutting-edge suspension, and relentless power. This manifold header serves as the critical interface between the engine s exhaust system and the rest of the drivetrain, playing a pivotal role in optimizing airflow, exhaust efficiency, and overall engine performance. Crafted from high-grade **4130 chromoly steel**, this header is built to withstand the extreme stresses of off-road riding, including the harsh impacts of rough terrain, deep mud, and aggressive cornering. The **dual exhaust design** ensures balanced scavenging, reducing backpressure and allowing the engine to breathe more freely, which translates to improved throttle response, increased horsepower, and a more aggressive exhaust note hallmarks of the Dragon s signature performance character.

The **welded construction** of the manifold header is both robust and lightweight, ensuring durability without compromising performance. The **smooth, tapered design** of the pipes minimizes turbulence, further enhancing exhaust flow and efficiency. This header is compatible with the 2009 RMK 800 Dragon s stock exhaust system, making installation straightforward for those looking to fine-tune their bike s exhaust output. Whether you're tackling rocky trails, jumping over obstacles, or pushing the limits on the track, this manifold header is engineered to deliver the precision and power you expect from a Polaris RMK 800 Dragon. It s not just an upgrade it s a performance-enhancing essential for riders who demand nothing less than excellence from their off-road machine.

The Polaris RMK 800 Dragon Pipe Manifold Header (part number 123446 for the 2009 model) is a popular aftermarket upgrade for ATV enthusiasts, particularly those looking to enhance performance, aesthetics, or both. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Polaris RMK 800 Dragon Pipe Manifold Header**

1. **Performance Gains**

The Dragon Pipe manifold is designed to improve exhaust flow by reducing backpressure, which can lead to better throttle response, increased horsepower, and a more aggressive exhaust note. For a 2009 RMK 800, this can make the ATV feel more responsive, especially in acceleration and top-end power.

2. **Aesthetic Appeal**

The Dragon Pipe manifold features a distinctive, aggressive design with a black or chrome finish (depending on the model) that enhances the visual appeal of the ATV. Many riders appreciate the "muscle car" look it provides, making the RMK 800 stand out from stock.

3. **Durability and Quality**

Polaris RMK parts are generally well-built, and the Dragon Pipe manifold is no exception. It is constructed from high-quality materials, including stainless steel or heat-treated components, which can withstand the rigors of off-road use. The welds and construction are often praised for being robust.

4. **Compatibility**

The 2009 RMK 800 Dragon Pipe manifold is specifically designed for this model, ensuring a proper fit without the need for extensive modifications. Polaris provides installation guides and often includes necessary gaskets or mounting hardware.

5. **Sound Enhancement**

For riders who enjoy a louder, more aggressive exhaust tone, the Dragon Pipe manifold delivers a deeper, more pronounced sound compared to the stock exhaust. This can be particularly satisfying for those who prefer a "hot rod" aesthetic and feel.

6. **Aftermarket Support**

Polaris RMK parts benefit from a strong aftermarket community, meaning you ll find plenty of resources, forums, and tutorials for installation, tuning, and troubleshooting. This can be invaluable if you encounter issues or want to further customize your ATV.

7. **Potential for Further Upgrades**

Installing the Dragon Pipe manifold can serve as a stepping stone for other performance upgrades, such as a high-flow catalytic converter, downpipe, or muffler. The improved exhaust flow can make these additional modifications more effective.

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### **Cons of the Polaris RMK 800 Dragon Pipe Manifold Header**

1. **Cost**

The Dragon Pipe manifold is not a cheap upgrade. Depending on where you purchase it (directly from Polaris, authorized dealers, or third-party sellers), the price can range from $300 to $600 or more. This is a significant investment for an aftermarket part, especially if you re on a tight budget.

2. **Installation Complexity**

While the manifold is designed for easy installation, it still requires some mechanical skill and tools. You ll need to remove the stock exhaust system, which involves disconnecting the catalytic converter, muffler, and exhaust pipes. If you re not comfortable with ATV maintenance, you may need to pay a mechanic to install it, adding to the overall cost.

3. **Potential for Voiding Warranty**

Modifying your ATV s exhaust system may void its factory warranty, depending on the terms set by Polaris. If your RMK 800 is still under warranty, this could be a concern, especially if you plan to keep the ATV long-term.

4. **Regulatory and Legal Considerations**

Some regions or countries have strict emissions regulations that may not allow aftermarket exhaust modifications. While the Dragon Pipe manifold is designed to meet certain standards, it s important to check local laws to avoid fines or registration issues. Loud exhausts may also attract unwanted attention or complaints from neighbors.

5. **Maintenance Requirements**

The Dragon Pipe manifold, like any aftermarket exhaust component, may require more frequent maintenance. For example, the catalytic converter (if included or paired with the manifold) could clog over time, reducing performance gains. You ll also need to inspect the manifold and exhaust system regularly for rust, leaks, or damage, especially if you ride in harsh conditions.

6. **Potential for Reduced Fuel Efficiency**

While the performance gains are often worth it to enthusiasts, the Dragon Pipe manifold can slightly reduce fuel efficiency due to the improved exhaust flow and potential for increased engine temperatures. This may not be a major issue for casual riders but could be noticeable for those who prioritize mileage.

7. **Not a Guaranteed Performance Boost**

The actual performance gains from the Dragon Pipe manifold can vary depending on other factors, such as the condition of your ATV s engine, air filter, carburetion (if applicable), and overall maintenance. If your ATV is already running poorly, the manifold alone may not dramatically improve performance. For maximum results, it s often recommended to pair it with other upgrades, such as a high-performance air filter or carburetor tuning.

8. **Weight Considerations**

The Dragon Pipe manifold is heavier than the stock exhaust system due to its robust construction. While this doesn t significantly impact handling, it may slightly reduce agility, especially in tight or technical terrain where every ounce matters.

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### **Conclusion**

The Polaris RMK 800 Dragon Pipe Manifold Header is an excellent choice for riders who prioritize performance, aesthetics, and the satisfaction of a more aggressive exhaust tone. It offers tangible benefits in terms of throttle response, power delivery, and visual appeal, making it a popular upgrade among ATV enthusiasts. The quality and durability of the part are also strong points, and the aftermarket support ensures that you ll have access to help if needed.

However, the cost, installation requirements, and potential legal or warranty implications are significant drawbacks. If you re not prepared for the upfront expense or the maintenance involved, the upgrade may not be worth it. Additionally, if you ride in an area with strict emissions laws or prefer a quieter ATV, the Dragon Pipe manifold may not be suitable.

For riders who are passionate about performance tuning and don t mind investing in upgrades, the Dragon Pipe manifold is a worthwhile addition. It s particularly well-suited for those who enjoy the look of a "hot rod" ATV and want to feel the difference in power and responsiveness. If you re on a budget or only plan to use the ATV casually, you might consider more modest upgrades or sticking with the stock exhaust system.

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### **Recommendation**

1. **Assess Your Priorities**: Decide whether you value performance gains, aesthetics, or both more highly. If aesthetics are your main concern, you might explore other aftermarket exhaust options that offer a similar look without the performance benefits.

2. **Budget Accordingly**: Set aside at least $300 $600 for the manifold itself, plus potential labor costs if you re not installing it yourself. Factor in any additional upgrades you might want to pair with it, such as a high-flow air filter or carburetor tuning.

3. **Check Local Laws**: Verify that aftermarket exhaust modifications are legal in your area. If you re unsure, consult local ATV regulations or a mechanic familiar with your region s laws.

4. **Research Installation**: If you re new to ATV maintenance, watch installation videos or seek advice from experienced riders before attempting the upgrade. Consider hiring a mechanic if you re uncomfortable with the process.

5. **Pair with Other Upgrades**: For the best results, consider complementing the manifold with other performance-enhancing parts, such as a high-performance air filter, carburetor tuning, or a high-flow catalytic converter (if legal in your area).

6. **Test and Adjust**: After installation, take your ATV for a test ride and monitor its performance. You may need to adjust the carburetion or other settings to optimize the gains from the manifold.

7. **Maintain Regularly**: Keep up with maintenance to ensure the manifold and exhaust system remain in top condition. Regular inspections for rust, leaks, or damage will help prolong the life of your upgrade.

**Final Verdict**: If you re a performance-oriented rider who wants to enhance the look and feel of your 2009 RMK 800, the Dragon Pipe manifold is a solid choice. However, weigh the pros and cons carefully against your budget, riding habits, and legal considerations before making the purchase. For most enthusiasts, the benefits outweigh the drawbacks, making it a recommended upgrade for those who are serious about customizing their ATV.

Details:

It is a critical component in the exhaust system of RMK 800 Dragon model, allowing for proper fit and function. Made by Polaris, this specific part is known as the 123446 manufacturer number. The 2009 Polaris RMK 800 Dragon y pipe manifold header is a specialized exhaust part designed for snowmobiles.

part #: 123446 price

• $18.00

specifications exhaustsnowmobilee:

• for models: Rmk, 800, Dragon
• for makes: Polaris
• for years: 2009
• mpn: 123446
• part type: Pipe Manifold Header

returns exhaustsnowmobilee:

• policy: No Returns

general exhaustsnowmobilee:

• condition: Used
• Parts Accessories > Snowmobile Parts > Exhaust

offer exhaustsnowmobilee:

• started: March 13, 2026
• availability: In Stock
• options: Ship-to-home
• sold: 0
• quantity: 1

payments exhaustsnowmobilee:

• credit card: Discover
• other
• money order
• wallet: Apple-pay

shipping exhaustsnowmobilee:

• carrier: USPS
• service: USPS Ground Advantage
• type: Calculated
• class: Standard
• transit: 4-10 Days
• cost: $6.50

seller exhaustsnowmobilee:

• rating: 100.0%
• city: Watford City, North Dakota
• # reviews: 213

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