fits model: Twin. make: Arctic, Arctic-cat. year: 2013.

( Brand: Starting Line Products ), ( Manufacturer Part Number: 2453-S746747-23 ), ( Part Type: Seal Pipe Exhaust Flange )
The **Starting Line 2453-S746747-23 Exhaust Flange Grafoil Seal for Twin-Pipe Applications** is a precision-engineered aftermarket component designed specifically to enhance the performance, reliability, and longevity of the exhaust system on a **2013 Arctic Cat** outboard motor equipped with a twin-pipe exhaust setup. Crafted from high-grade **Grafoil (graphite-based) sealing material**, this flange seal is engineered to provide an airtight, corrosion-resistant barrier between the exhaust manifold and the exhaust pipe assembly, ensuring optimal exhaust flow while mitigating the risk of leaks, vibrations, or premature wear. The seal s unique **flexible yet durable construction** allows it to accommodate minor misalignments and thermal expansion, which are common in high-performance marine applications, thereby reducing stress on both the flange and the exhaust components. This seal is particularly well-suited for Arctic Cat s twin-pipe exhaust systems, where maintaining a consistent seal is critical for maximizing horsepower, reducing backpressure, and preventing exhaust gas from escaping into the surrounding environment. Whether installed during routine maintenance or as part of a performance upgrade, this **OEM-replacement-grade seal** offers a cost-effective solution that surpasses traditional rubber or cork alternatives in terms of heat resistance, chemical stability, and long-term durability. Built to withstand the demanding conditions of saltwater exposure, high RPMs, and fluctuating temperatures, the **Starting Line 2453-S746747-23** ensures a secure, leak-proof connection that helps preserve the integrity of your Arctic Cat s exhaust system for thousands of hours of reliable operation.
### **Pros and Cons of buying a Starting Line 2453-S746747-23 Exhaust Flange Grafoil Seal for a Twin-Pipe 2013 Arctic Cat**
#### **Pros:**1. **Compatibility** This part is specifically designed for the 2013 Arctic Cat twin-pipe exhaust system, ensuring a proper fit without modifications. The flange and seal are engineered to match the engine s exhaust configuration, reducing the risk of leaks or misalignment.
2. **High-Quality Grafoil Seal** Grafoil is a durable, heat-resistant material that provides a reliable gasket solution. It resists warping, cracking, and degradation under high temperatures, which is critical for exhaust components exposed to constant heat and vibration.
3. **Easy Installation** The part appears to be a direct replacement, meaning it should bolt onto the exhaust flange without requiring extensive modifications. This simplifies the repair process, especially for those without extensive mechanical experience.
4. **Prevents Exhaust Leaks** A faulty or missing exhaust flange seal can lead to exhaust fumes entering the cabin, reducing performance and posing health risks. This seal ensures a tight, leak-free connection between the exhaust manifold and the pipe assembly.
5. **Cost-Effective Solution** Compared to replacing an entire exhaust system or manifold, this seal is a relatively inexpensive fix. It extends the lifespan of existing components and avoids more costly repairs down the line.
6. **OEM-Quality Alternative** While not an exact OEM part, it is designed to meet or exceed factory specifications, offering a balance between performance and affordability.
7. **Reduces Engine Strain** A leaking exhaust can cause backpressure, forcing the engine to work harder. A properly sealed flange improves exhaust flow, optimizing engine efficiency and reducing wear.
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#### **Cons:**1. **Potential Quality Variations** Since this is a third-party product (not an OEM part), there is a slight risk of inconsistent quality. Some aftermarket seals may not hold up as long as OEM components, though reputable brands like Starting Line generally maintain high standards.
2. **Limited Availability of Support** If issues arise, customer support for aftermarket parts may not be as responsive or comprehensive as dealing directly with Arctic Cat s service center. This could complicate troubleshooting or warranty claims.
3. **Installation Challenges** While designed for easy installation, rust, corrosion, or misalignment in the flange area could make fitting the seal more difficult. Thorough cleaning and preparation of the mating surfaces are essential to avoid gaps or improper sealing.
4. **No Warranty Coverage** Most aftermarket parts come without a manufacturer s warranty, meaning you bear the full responsibility for defects or failures. Arctic Cat s warranty would not cover third-party components.
5. **Durability Concerns Over Time** While Grafoil is durable, prolonged exposure to extreme heat, vibration, and road debris could eventually degrade the seal. Regular inspections are recommended to ensure it remains intact.
6. **Possible Overkill for Minor Issues** If the original seal was only slightly damaged or if the leak is elsewhere (e.g., in the pipes or manifold), replacing just the flange seal may not fully resolve the problem. A thorough inspection is advised before purchasing.
7. **Compatibility Doubts** While the part is listed for the 2013 Arctic Cat, slight variations in exhaust designs (e.g., minor modifications or aftermarket upgrades) could affect fit. Always verify the exact model and exhaust configuration before buying.
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### **Conclusion:**The **Starting Line 2453-S746747-23 Grafoil Seal** is a **strong, cost-effective choice** for replacing the exhaust flange seal on a 2013 Arctic Cat twin-pipe system. Its **high-temperature resistance, ease of installation, and compatibility** make it a practical solution for preventing exhaust leaks and maintaining engine efficiency. However, **potential quality inconsistencies, lack of warranty, and the need for careful installation** are minor drawbacks that can be mitigated with proper preparation and research.
For most users, this part offers a **reliable, budget-friendly fix** that avoids the higher costs of OEM replacements or full exhaust system overhauls. If you prioritize **durability and performance**, this seal is a **recommended purchase**, provided you ensure a clean, proper fit during installation.
**Final Recommendation:** **Buy the Starting Line Grafoil Seal** if:- You need a direct replacement for a leaking exhaust flange.
- You re comfortable with basic installation (cleaning and alignment).
- You want a cost-effective solution that balances quality and affordability.
**Avoid it if:**- You suspect the issue lies elsewhere in the exhaust system (e.g., cracked pipes or manifold).
- You require OEM-level warranty support or long-term guarantees.
- You ve had poor experiences with aftermarket parts in the past.
For best results, **inspect the flange area thoroughly**, clean it thoroughly, and apply a **high-temperature thread locker or sealant** (if recommended) to ensure a lasting seal. If unsure, consult a professional mechanic to confirm the exact issue before purchasing.
Starting Line Exhaust Flange Grafoil Seal-Twin Pipe for 2013 Arctic Cat Progress XF 800 Son Pro Limited Snowmobile: For SLP Systems.: Brand: Starting Line Products, model Number: 2453-S746747-23. I need to exchange an item. 2010 - 2011 Arctic Cat F6 EFI Son Pro.
This is helpful if you are buying multiple items. Parts without fitment are to be assumed universal and may require vehicle modification. 2012 - Arctic Cat F5 LXR.