MBRP 2399-M278639-59 Performance Exhaust Silencer Cat

( Brand: Mbrp ), ( Manufacturer Part Number: 2399-M278639-59 ), ( Part Type: Exhaust Silencer )

Review MBRP Series Performance Exhaust Silencer Arctic Cat fits CROSSFIRE STD 600 2006

The **MBRP 2399-M278639-59 STD Performance Exhaust Silencer** is a meticulously engineered aftermarket component designed exclusively for the **2006 Arctic Cat CrossFire 600**, delivering an optimal balance between performance, durability, and refined sound. Crafted from high-quality **409 stainless steel**, this silencer is built to withstand the rigorous demands of off-road use while maintaining a sleek, aggressive aesthetic that complements the stock exhaust system. The **STD Performance** designation indicates a carefully tuned design that enhances exhaust flow without compromising the factory s intended sound profile, offering a subtle yet noticeable improvement in throttle response and power delivery. The silencer features a **precision-machined internal baffling system**, engineered to reduce noise levels while preserving the deep, resonant growl that defines the CrossFire 600 s character. Its **smooth, polished finish** ensures resistance to corrosion and oxidation, even in the harshest conditions, making it ideal for adventurers who demand reliability in extreme environments. The **universal compatibility** of this part means it integrates seamlessly with the stock exhaust system, requiring minimal modification, though a professional installation is recommended to ensure a perfect fit and optimal performance. Whether tackling rugged trails or cruising on open roads, this silencer elevates the CrossFire 600 s performance while maintaining a polished, professional look proving that true off-road capability doesn t have to come at the expense of style or longevity.

### **Pros and Cons of buying a MBRP 2399-M278639-59 STD Performance Exhaust Silencer for a 2006 Arctic Cat Crossfire 600**

1. **Improved Exhaust Flow and Horsepower** The performance silencer is designed to reduce backpressure, allowing exhaust gases to exit more efficiently. This can lead to a slight increase in horsepower and throttle response, particularly noticeable in off-road or high-RPM applications.

2. **Enhanced Exhaust Note** The silencer provides a deeper, more aggressive exhaust tone compared to the stock unit. This is often preferred by riders who enjoy a louder, sportier sound without excessive noise levels.

3. **Durability and Quality Construction** MBRP (Manitou-Brandt Racing Products) is known for manufacturing high-quality aftermarket exhaust components. This silencer is likely made from heavy-gauge steel, ensuring longevity and resistance to corrosion, especially in off-road conditions.

4. **Compatibility with Other Performance Exhaust Systems** If you plan to upgrade other parts of your exhaust system (e.g., headers, muffler, or downpipe), this silencer can serve as a compatible upgrade without requiring a full system replacement.

5. **Lightweight Compared to Stock** Performance exhaust components are often designed to be lighter than stock units, which can reduce overall weight and improve handling, particularly in ATVs used for racing or aggressive riding.

6. **Potential for Better Heat Dissipation** A well-designed performance silencer can help expel exhaust gases more efficiently, reducing heat buildup in critical engine components, which may contribute to longer engine life under heavy use.

7. **Easier Installation** Many aftermarket exhaust components are designed for straightforward installation, often requiring only basic tools. MBRP typically provides clear instructions and may offer customer support for installation assistance.

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1. **Noise Levels May Exceed Legal Limits** While the "STD" designation suggests a balanced tone, performance exhausts can still produce louder exhaust notes than stock systems. Some regions or jurisdictions have strict noise regulations for ATVs, and exceeding these limits could result in fines or legal issues. Always check local laws before installation.

2. **Potential for Reduced Fuel Efficiency** A slight increase in horsepower often comes at the cost of minor fuel economy degradation. While the difference may not be drastic, it could be noticeable during long rides or heavy use.

3. **Cost Compared to Stock** Replacing the stock silencer with a performance unit adds to the overall cost of ownership. While the MBRP silencer is reasonably priced, it still represents an additional expense beyond the original equipment.

4. **Possible Warranty Voiding** Installing aftermarket exhaust components may void the manufacturer s warranty on your Arctic Cat Crossfire 600. Always confirm with Arctic Cat or your dealer before proceeding.

5. **Minimal Performance Gain for Some Riders** If you primarily use your ATV for light trail riding or casual recreation, the improvements in horsepower and exhaust tone may not be significant enough to justify the upgrade. The gains are more noticeable in racing or high-performance applications.

6. **Risk of Improper Fitment** While MBRP products are generally well-made, improper installation (e.g., loose clamps, misaligned flanges) can lead to leaks, reduced performance, or even damage to the exhaust system. Ensuring a professional or careful DIY installation is crucial.

7. **Aesthetic Differences** Performance exhausts often have a distinct look compared to stock units. If you prefer the original appearance of your ATV, this upgrade may not align with your personal style.

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The **MBRP 2399-M278639-59 STD Performance Exhaust Silencer** is a solid upgrade for owners of the 2006 Arctic Cat Crossfire 600 who prioritize improved exhaust flow, a deeper tone, and potential horsepower gains. It is well-built, durable, and compatible with other performance exhaust components, making it a practical choice for riders who engage in off-road activities, racing, or simply enjoy a more aggressive exhaust sound.

However, the upgrade is not without trade-offs. Noise concerns, potential fuel efficiency losses, and the risk of voiding your warranty are factors to consider. Additionally, the benefits may be modest for casual riders. If you decide to proceed, ensure the installation is done correctly and verify that the exhaust tone complies with local regulations.

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- You ride your Crossfire 600 aggressively, on trails, or in racing conditions.

- You want a deeper, sportier exhaust note without excessive noise.

- You plan to upgrade other exhaust components and want a cohesive system.

- You are comfortable with the potential noise and warranty implications.

- You primarily use your ATV for light, casual riding.

- Noise regulations in your area are strict, and you risk fines.

- You prefer to keep the stock appearance or warranty intact.

- You are on a tight budget and the gains do not justify the cost.

For the best results, pair this silencer with other high-quality performance exhaust parts (e.g., headers or a full system) if you aim for significant power improvements. Always follow installation guidelines carefully to avoid leaks or damage.

Details:

MBRP Std Series Performance Exhaust Silencer for 2006 Arctic Cat Crossfire 600 EFI Son Pro: 1 year warranty, Better throttle response, Proven HP gains on Dino, Lighter weight, Easy install, Stainless steel body, Great Sound, Direct fit to stock exhaust, 5in. This is helpful if you are buying multiple items.: Brand: MBRP, model Number: 2399-M278639-59. I need to exchange an item.

Compatibility: Years: Make: model: Application: Notes: 2006 - 2006 Arctic Cat Crossfire 700 EFI, 600 EFI Early Build, Son Pro, Pro. Muffler body, Louder than trail version, Lighter stock. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 2399m27863959 price

• $324.99

specifications exhaustsnowmobilee:

• for models: Std, 600, Crossfire
• for makes: Arctic, Arctic-cat
• for years: 2006
• brand: Mbrp
• mpn: 2399-m278639-59
• part type: Exhaust Silencer

returns exhaustsnowmobilee:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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• options: Ship-to-home
• quantity: 3
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• availability: In Stock
• started: February 13, 2026

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• # reviews: 77565
• rating: 99.9%
• city: Boise, ID

general exhaustsnowmobilee:

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

shipping exhaustsnowmobilee:

• type: Fixed
• transit: 5-7 Days
• cost: $0.00
• service: Standard
• class: Standard

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