STARTING LINE PRODUCTS 2581-S747003-61 Exhaust Flange Seal Grafoil Pipe Cat

( Brand: Starting Line Products ), ( Manufacturer Part Number: 2581-S747003-61 ), ( Part Type: Seal Pipe Exhaust Flange )

Review STARTING LINE PRODUCTS Exhaust Flange Grafoil Seal twin Pipe Arctic Cat fits TWIN M8 2007–2010

The **Starting Line 2581-S747003-61 Exhaust Flange Grafoil Seal for Twin-Pipe Applications** is a precision-engineered aftermarket component meticulously designed to restore and enhance the performance, durability, and reliability of the exhaust system on **2007 2010 Arctic Cat M8** snowmobiles. Crafted from high-quality **Grafoil (graphite-based) sealing material**, this flange seal is engineered to provide an airtight, vibration-resistant barrier between the exhaust manifold and the dual-pipe assembly, preventing exhaust leaks while minimizing heat transfer and reducing the risk of premature wear on critical components. The seal features a **custom-fit, contoured design** tailored specifically to the M8 s exhaust flange, ensuring a perfect alignment that eliminates gaps and maintains optimal exhaust flow critical for maintaining engine efficiency and power output. Built to withstand the extreme temperatures, mechanical stress, and corrosive conditions of off-road use, this seal is constructed from **heat-resistant, flexible graphite material**, which remains stable under thermal cycling while offering superior resilience against vibration and mechanical fatigue. Whether you're preparing your M8 for a season of high-performance riding or addressing a leak that s compromised performance, this **OEM-replacement-grade seal** delivers a durable, long-lasting solution that restores factory-like sealing integrity. Its easy installation requiring no special tools beyond basic wrenches makes it an ideal upgrade for DIY mechanics and professional technicians alike, ensuring a secure, leak-free exhaust system that keeps your Arctic Cat running at peak performance in even the harshest winter conditions.

**Pros and Cons of buying a Starting Line 2581-S747003-61 Exhaust Flange Grafoil Seal for a Twin-Pipe 2007-2010 Arctic Cat M8**

### **Pros**

1. **Direct Fitment** The part is specifically designed for the 2007-2010 Arctic Cat M8, ensuring compatibility with the twin-pipe exhaust system. This reduces the risk of installation issues or the need for modifications.

2. **High-Quality Material** Grafoil is a durable, heat-resistant sealing material commonly used in exhaust systems. It provides a reliable gasket that can withstand the high temperatures and vibrations associated with off-road engines.

3. **Easy Installation** As a direct replacement, the seal should be straightforward to install, especially if you have basic mechanical skills. It replaces the stock exhaust flange seal, which may degrade over time.

4. **Prevents Leaks** A properly installed Grafoil seal helps prevent exhaust gas leaks, which can improve engine efficiency and reduce noise. This is particularly useful if your current seal is worn or cracked.

5. **Cost-Effective Solution** Compared to replacing the entire exhaust flange or header, this seal is a relatively inexpensive fix. It extends the life of your existing exhaust components without requiring major modifications.

6. **Widely Available** Starting Line is a reputable aftermarket brand, and this part is likely available through online retailers, dealerships, or specialty off-road parts stores, making it easy to source.

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### **Cons**

1. **Potential for Improper Fit** While the part is designed for your model, slight variations in manufacturing or wear on the flange could lead to an imperfect seal. If not installed correctly, it may leak or fail prematurely.

2. **Durability Concerns** Grafoil seals can degrade over time, especially under extreme heat or constant vibration. If you frequently operate the M8 at high RPMs or in harsh conditions, the seal may need replacement sooner than expected.

3. **Limited Longevity Compared to Metal Gaskets** Unlike metal gaskets or clamps, Grafoil is not indestructible. It may require replacement every few years or after significant mileage, depending on usage.

4. **Installation Skill Dependency** If you lack experience with exhaust system repairs, improper installation (e.g., uneven pressure, incorrect alignment) could compromise the seal s effectiveness. In such cases, professional installation may be necessary.

5. **No Warranty on Performance** While the part itself may come with a manufacturer s warranty, there is no guarantee that it will perform flawlessly under all conditions. Poor-quality installation or extreme stress could void any benefits.

6. **Alternative Options Exist** Some users prefer metal gaskets or high-temperature silicone seals for added durability. If you prioritize long-term reliability over convenience, you might explore other sealing solutions.

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### **Conclusion**

The **Starting Line 2581-S747003-61 Grafoil seal** is a practical and cost-effective choice for addressing exhaust flange leaks in your 2007-2010 Arctic Cat M8. Its direct fitment, ease of installation, and heat resistance make it a solid option for a quick fix. However, its longevity may be limited compared to more durable sealing methods, and proper installation is critical to ensure it works as intended.

If your primary concern is a temporary solution to stop leaks and you re comfortable with basic DIY repairs, this seal is a reasonable purchase. For long-term use under extreme conditions, consider supplementing it with additional clamps or exploring alternative sealing materials.

### **Recommendation**

- You need a straightforward, budget-friendly fix for a leaking exhaust flange.

- You re confident in your ability to install it correctly.

- You re willing to monitor its condition and replace it if it fails prematurely.

- You operate the M8 in very harsh conditions (e.g., heavy-duty trail riding, extreme heat).

- You prefer a more permanent solution, such as a metal gasket or reinforced clamps.

- You re unsure about installation and don t have access to professional help.

For most casual to moderate users, this seal provides a good balance of affordability and functionality. Pair it with a quality exhaust clamp (e.g., from Starting Line or similar brands) to enhance durability.

Details:

I need to exchange an item.: Brand: Starting Line Products, model Number: 2581-S747003-61. Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items.

Starting Line Exhaust Flange Grafoil Seal-Twin Pipe for 2007 - 2010 Arctic Cat M8 EFI 153 Son Pro Snowmobile: For SLP Systems. 2009 - 2010 Arctic Cat M8 EFI 162 Son Pro. 2009 - 2011 Arctic Cat M8 HCR 153.

part #: 2581s74700361 price

• $57.87

specifications exhaustsnowmobilee:

• for models: M8, Twin
• for makes: Arctic, Arctic-cat
• for years: 2007-2010
• brand: Starting Line Products
• mpn: 2581-s747003-61
• part type: Seal Pipe Exhaust Flange

offer exhaustsnowmobilee:

• options: Ship-to-home
• sold: 0
• availability: In Stock
• quantity: 9
• started: May 16, 2026

payments exhaustsnowmobilee:

• wallet: Apple-pay
• other
• credit card: Mastercard

general exhaustsnowmobilee:

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

returns exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• rating: 99.9%
• city: Boise, ID
• # reviews: 85380

shipping exhaustsnowmobilee:

• service: Standard
• class: Standard
• transit: 3-6 Days
• cost: $0.00
• type: Fixed

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