STARTING LINE PRODUCTS 1815-S745471-15 Exhaust Flange Seal Grafoil Pipe Cat

( Brand: Starting Line Products ), ( Manufacturer Part Number: 1815-S745471-15 ), ( 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 1815-S745471-15 Exhaust Flange Grafoil Seal for Twin-Pipe 2012 2013 Arctic Cat Engines** is a precision-engineered aftermarket component designed to ensure a secure, leak-free connection between the exhaust manifold and the catalytic converter or muffler assembly on Arctic Cat models from 2012 to 2013. Crafted from high-performance **Grafoil gasket material**, this seal is engineered to withstand the extreme heat, vibration, and pressure generated by high-performance engines while maintaining optimal compression and exhaust flow. The **twin-pipe configuration** accommodates the dual exhaust setup found on Arctic Cat models, providing a tailored fit that eliminates gaps, prevents exhaust gas leaks, and reduces the risk of costly internal damage caused by improper sealing. Unlike standard rubber or silicone gaskets, Grafoil s unique composition comprising a blend of graphite and fiberglass offers superior thermal resistance, durability, and resistance to oil, fuel, and coolant, making it ideal for demanding off-road and recreational applications. This gasket is designed to fit snugly over the **S745471-15 exhaust flange**, ensuring a consistent seal that minimizes exhaust backpressure and maximizes engine efficiency. Whether installed during routine maintenance or as part of a performance upgrade, this high-quality seal guarantees a reliable, long-lasting solution that keeps your Arctic Cat s exhaust system operating at peak performance while reducing the likelihood of premature wear on critical components.

### **Pros and Cons of buying a Starting Line 1815-S745471-15 Exhaust Flange Grafoil Seal for Twin Pipe on a 2012-2013 Arctic Cat**

1. **OEM Fitment and Compatibility** This part is designed specifically for the 2012-2013 Arctic Cat twin-pipe exhaust system, ensuring a proper fit without modifications. It reduces the risk of leaks or improper sealing that could occur with aftermarket alternatives.

2. **High-Quality Grafoil Material** Grafoil is a durable, heat-resistant sealing material that provides a reliable gasket between the exhaust flange and the engine or muffler. It resists warping, cracking, and degradation under high temperatures, which is critical for long-term performance.

3. **Prevents Exhaust Leaks** A properly installed flange seal ensures a tight, leak-free connection between the exhaust components. Leaks can reduce engine efficiency, increase emissions, and pose safety risks due to carbon monoxide exposure.

4. **Easy Installation** The part is designed to be a direct replacement, meaning it should fit without extensive modifications. This makes it a straightforward upgrade for DIYers or mechanics who prefer simplicity.

5. **Cost-Effective Solution** Compared to full exhaust system replacements or custom fabrication, this flange seal is a relatively inexpensive part. It extends the life of your existing exhaust system by preventing premature wear from leaks.

6. **Compatibility with Twin-Pipe Systems** Since Arctic Cat s twin-pipe exhaust is a common setup, this seal is tailored to maintain proper spacing and alignment between the two exhaust pipes and the engine.

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1. **Limited Availability and Brand Dependency** Starting Line is a niche supplier, and this part may not be as widely stocked as OEM or more popular aftermarket brands. You may need to order it online or from specialty dealers, which could delay repairs.

2. **Potential for Counterfeit or Low-Quality Replacements** Since this is a specialized part, there is a risk of purchasing a counterfeit or substandard replica, especially if buying from untrusted sellers. Always verify the seller s reputation and product authenticity.

3. **Wear Over Time** While Grafoil is durable, it is not indestructible. Under extreme conditions (e.g., high RPMs, prolonged high heat, or frequent cold starts), the seal may degrade faster than expected, requiring replacement sooner than anticipated.

4. **Requires Proper Installation** If not installed correctly such as uneven compression or improper alignment the seal may fail prematurely. This requires careful handling and possibly torque specifications to be followed.

5. **No Performance Upgrade** This is a maintenance/replacement part, not a performance-enhancing component. If you re looking to improve exhaust flow or engine power, this seal alone won t achieve that; you d need a full exhaust system upgrade.

6. **Potential for Compatibility Issues with Modified Exhausts** If you ve previously modified your exhaust (e.g., added headers, larger pipes, or aftermarket mufflers), the stock flange spacing might not align perfectly. In such cases, a custom solution may be needed.

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The **Starting Line 1815-S745471-15 Grafoil Seal** is a **reliable, OEM-compatible solution** for sealing the exhaust flange on your 2012-2013 Arctic Cat twin-pipe system. It addresses a common wear point in exhaust systems, preventing leaks and extending the life of your setup. The use of Grafoil ensures durability under high temperatures, making it a practical choice for both maintenance and longevity.

However, its **limited availability, potential for counterfeit products, and dependency on proper installation** are drawbacks to consider. If you re confident in the source and can install it correctly, this part is a **solid, cost-effective fix**. If you re unsure about fitment especially with modified exhausts or prefer a more widely available brand, you may want to explore alternatives like OEM seals or other trusted aftermarket suppliers.

- **Buy from a reputable dealer** (e.g., Arctic Cat authorized parts suppliers, trusted online retailers like Amazon, or specialty exhaust shops) to avoid counterfeit products.

- **Verify compatibility** with your exact model year and exhaust configuration, as minor variations in Arctic Cat s production runs could affect fit.

- **Install carefully** following manufacturer torque specifications to ensure a proper seal.

- **Consider a backup seal** if you re uncomfortable with the installation process, or have a mechanic perform the replacement.

- **Monitor for leaks** after installation. If you notice exhaust fumes in the cabin or unusual noises, recheck the seal or consult a professional.

**Final Verdict:** This is a **good, practical choice** for a direct replacement seal, but weigh the pros and cons against your specific needs and circumstances. If you prioritize reliability and OEM fitment, it s a worthwhile purchase. If you re open to alternatives, explore other Grafoil or high-temperature gasket options from brands with broader availability.

Details:

Parts without fitment are to be assumed universal and may require vehicle modification.: Brand: Starting Line Products, model Number: 1815-S745471-15. This is helpful if you are buying multiple items. I need to exchange an item.

2012 - Arctic Cat F5 LXR. Starting Line Exhaust Flange Grafoil Seal-Twin Pipe for 2012 2013 Arctic Cat Progress F 800 Son Pro Snowmobile: For SLP Systems. 2010 - 2011 Arctic Cat F6 EFI Son Pro.

part #: 1815s74547115 price

• $57.87

specifications exhaustsnowmobilee:

• for models: Twin
• for makes: Arctic, Arctic-cat
• for years: 2012-2013
• brand: Starting Line Products
• mpn: 1815-s745471-15
• part type: Seal Pipe Exhaust Flange

returns exhaustsnowmobilee:

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

general exhaustsnowmobilee:

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

shipping exhaustsnowmobilee:

• type: Fixed
• service: Standard
• cost: $0.00
• transit: 4-7 Days
• class: Standard

payments exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• city: Boise, ID
• rating: 99.9%
• # reviews: 85417

offer exhaustsnowmobilee:

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

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