STARTING LINE PRODUCTS 2275-S746391-25 Exhaust Flange Seal Grafoil Pipe Cat

( Brand: Starting Line Products ), ( Manufacturer Part Number: 2275-S746391-25 ), ( Part Type: Seal Pipe Exhaust Flange )

Review STARTING LINE PRODUCTS Exhaust Flange Grafoil Seal twin Pipe Arctic Cat fits TWIN 2012–2013

The **Starting Line 2275-S746391-25 Exhaust Flange Grafoil Seal for Twin-Pipe Applications (2012-2013 Arctic Cat)** is a precision-engineered aftermarket component designed to ensure a secure, leak-free, and high-performance connection between the exhaust manifold and the catalytic converter or muffler assembly on Arctic Cat snowmobiles from the 2012 and 2013 model years. Crafted from **high-temperature Grafoil gasket material**, this seal is engineered to withstand the extreme thermal and mechanical stresses of exhaust system operation, providing an airtight barrier that prevents exhaust gases from escaping while maintaining optimal engine efficiency. The **25mm thickness** of the gasket offers a robust seal that accommodates minor surface irregularities on the exhaust flange, ensuring a consistent and reliable fit without the need for excessive clamping force, which could lead to warping or damage to the flange over time. This seal is specifically tailored for **twin-pipe exhaust systems**, making it an ideal replacement for OEM gaskets that may degrade or fail due to prolonged exposure to freezing temperatures, vibration, and the corrosive effects of exhaust fumes. Whether you're performing routine maintenance, upgrading your exhaust system, or addressing a leak in your Arctic Cat s exhaust flow, this gasket delivers a durable, long-lasting solution that prioritizes both performance and ease of installation. Its **universal compatibility** with the specified model years ensures that it fits seamlessly into your snowmobile s existing exhaust setup, allowing for a straightforward swap without the need for additional modifications or adapters. By choosing this high-quality Grafoil seal, you re investing in a component that enhances the reliability of your Arctic Cat s exhaust system while minimizing the risk of leaks, backpressure, or premature wear on surrounding components.

### **Pros and Cons of buying a Starting Line 2275-S746391-25 Exhaust Flange Grafoil Seal for Twin Pipe on a 2012-2013 Arctic Cat**

1. **OEM Compatibility** The part is designed to fit the 2012-2013 Arctic Cat engine, ensuring proper alignment and function without modifications.

2. **High-Quality Material** Grafoil is a durable, heat-resistant sealing material that prevents leaks and reduces wear on the exhaust flange.

3. **Easy Installation** The part is pre-cut and ready to install, requiring minimal effort compared to custom-cut seals.

4. **Prevents Exhaust Leaks** A properly sealed flange ensures no exhaust gases escape, improving engine efficiency and reducing noise.

5. **Cost-Effective Solution** Compared to full exhaust system replacements, this seal is a low-cost fix for a common wear issue.

6. **Widely Available** As a popular aftermarket part, it can be easily sourced from dealers like Starting Line, Amazon, or Arctic Cat s official suppliers.

7. **Extends Exhaust System Lifespan** A good seal reduces stress on the exhaust manifold and headers, potentially delaying more expensive repairs.

1. **Potential Misalignment Issues** If not installed correctly, the seal may not fully engage with the flange, leading to leaks or premature failure.

2. **Limited Brand Options** While Grafoil is reliable, some users prefer OEM seals for absolute confidence in fit and durability.

3. **Requires Removal of Exhaust** Installing the seal may necessitate disconnecting the exhaust system, which could be time-consuming for DIYers without proper tools.

4. **Wear Over Time** Even high-quality seals degrade with heat and vibration, requiring eventual replacement (typically every 50-100 hours or as needed).

5. **Compatibility with Aftermarket Mods** If the exhaust system has been modified (e.g., larger pipes, custom headers), the stock flange may not align perfectly with the new seal.

6. **Risk of Over-Tightening** Excessive torque when reinstalling the flange can damage the threads or warp the metal, leading to future leaks.

The **Starting Line 2275-S746391-25 Grafoil exhaust flange seal** is a **reliable, cost-effective solution** for preventing leaks in the exhaust system of a 2012-2013 Arctic Cat engine. Its **OEM compatibility, durability, and ease of installation** make it a strong choice for both DIY enthusiasts and professionals. However, **proper installation is critical** misalignment or improper torque can negate its benefits. If the exhaust system has been modified or if leaks persist after installation, further inspection may be needed.

- **Buy it if:** You need a quick, affordable fix for an exhaust leak and are confident in your ability to install it correctly.

- You suspect the **exhaust flange itself is damaged** (may need replacement).

- You ve had **repeated seal failures**, suggesting a deeper issue (e.g., warped flange, cracked manifold).

- You re uncomfortable with **exhaust system disassembly** in that case, consult a mechanic.

- **Pro Tip:** Always **clean the flange surfaces** before applying the new seal and **tighten bolts gradually** to avoid overtightening.

For most users, this part will **solve the problem efficiently** with minimal hassle. If leaks continue after installation, verify that the seal was properly seated and that no other components (like gaskets or bolts) are failing.

Details:

I need to exchange an item. This is helpful if you are buying multiple items. 2012 - Arctic Cat F5 LXR. Starting Line Exhaust Flange Grafoil Seal-Twin Pipe for 2012 2013 Arctic Cat Proclaim M 800 Snowmobile: For SLP Systems.

Brand: Starting Line Products, model Number: 2275-S746391-25. 2010 - 2011 Arctic Cat F6 EFI Son Pro. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 2275s74639125 price

• $57.87

specifications exhaustsnowmobilee:

• for models: Twin
• for makes: Arctic, Arctic-cat
• for years: 2012-2013
• brand: Starting Line Products
• mpn: 2275-s746391-25
• part type: Seal Pipe Exhaust Flange

general exhaustsnowmobilee:

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

returns exhaustsnowmobilee:

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

shipping exhaustsnowmobilee:

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

payments exhaustsnowmobilee:

• credit card: Visa
• wallet: Google-pay
• other

offer exhaustsnowmobilee:

• sold: 0
• quantity: 9
• started: May 17, 2026
• availability: In Stock
• options: Ship-to-home

seller exhaustsnowmobilee:

• # reviews: 85419
• city: Boise, ID
• rating: 99.9%

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