fits make: Arctic. year: 1995–2001.

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 3259-S316359-19 ), ( Part Type: Pipe Exhaust )
The **Sports 3259-S316359-19 SPI Y-Pipe Exhaust Seal** is a precision-engineered aftermarket component designed to enhance both performance and reliability for 1995 2001 Arctic vehicles equipped with the SPI (Sports Performance International) exhaust system. This high-quality rubber gasket serves as a critical interface between the Y-pipe and the catalytic converter or muffler assembly, ensuring a secure, leak-free connection while maintaining optimal exhaust flow. Crafted from durable, heat-resistant rubber, the seal is engineered to withstand the extreme temperatures and vibrations inherent in high-performance driving, preventing exhaust gas leaks that could compromise engine efficiency or trigger check engine lights. With an outer diameter of **51mm** and a height of **55mm**, this seal is specifically sized to fit the 1995 2001 Arctic s exhaust manifold configuration, while its **10mm thickness** provides ample cushioning to absorb road-induced stresses, reducing wear on both the Y-pipe and the downstream exhaust components. Ideal for enthusiasts seeking a seamless upgrade to their SPI exhaust system, this seal is a straightforward yet essential part that contributes to a cleaner, quieter, and more efficient exhaust operation without compromising the stock or aftermarket system s structural integrity.
### **Pros and Cons of buying a Sports 3259-S316359-19 SPI Y-Pipe Exhaust Seal (51mm O.D., 55mm Height, 10mm Thickness) for a 1995 2001 Arctic Cat 350/400/450**
#### **Pros:**1. **OEM Fitment and Compatibility** This seal is designed specifically for Arctic Cat models from 1995 to 2001, ensuring a proper fit without modification. It matches the Y-pipe exhaust system dimensions, reducing the risk of leaks or improper installation.
2. **High-Temperature Resistance** The material (likely silicone or a reinforced elastomer) is engineered to withstand the extreme heat generated by the exhaust system, preventing premature degradation or failure.
3. **Durability and Longevity** A well-made exhaust seal should last the life of the exhaust system if properly installed and maintained, reducing the need for frequent replacements.
4. **Sound and Performance Benefits** A properly sealed Y-pipe helps maintain exhaust flow efficiency, which can contribute to better engine performance and reduce exhaust noise leaks.
5. **Easy Installation** Designed as an OEM replacement, it should fit without requiring extensive modifications, making it a straightforward upgrade or repair option.
6. **Prevents Exhaust Gas Leaks** A failing seal can allow exhaust fumes into the cabin, posing health risks. A new seal ensures a tight seal, improving safety.
7. **Cost-Effective Solution** Compared to full exhaust system replacements, a seal is a low-cost part that can extend the life of your exhaust system.
---
#### **Cons:**1. **Potential Quality Variations** While this is an OEM-style part, aftermarket seals may not always match the exact durability or material quality of genuine Arctic Cat components. Some users report premature cracking or hardening over time.
2. **Installation Challenges** If the existing seal is heavily degraded or the Y-pipe has warping, installation may require cleaning, deburring, or even minor machining to ensure a perfect fit. Improper installation can lead to leaks.
3. **Limited Availability of Replacement Parts** If the seal fails again, sourcing the exact same part may be difficult, especially if the supplier discontinues it. Always check for stock or alternatives before purchasing.
4. **Compatibility with Modified Exhausts** If the Y-pipe has been modified (e.g., with a different diameter or aftermarket headers), this seal may not fit correctly. Always verify measurements before buying.
5. **Price Sensitivity** While affordable, some buyers may find it slightly overpriced compared to generic exhaust seals, though the OEM fitment justifies the cost.
6. **Environmental Exposure Risks** If the seal is exposed to extreme temperatures, chemicals (e.g., fuel spills), or constant vibration, it may degrade faster than expected.
7. **No Warranty or Return Policy Risks** Some aftermarket suppliers offer limited warranties, but others may not. If the seal fails immediately, returns or replacements may be difficult.
---
### **Conclusion:**The **Sports 3259-S316359-19 SPI Y-Pipe Exhaust Seal** is a **reliable OEM-style replacement** for Arctic Cat models from 1995 2001, offering a **tight seal, durability, and ease of installation**. It is a **practical choice** for owners looking to **prevent exhaust leaks, improve performance, and avoid costly exhaust system failures**.
However, **quality control can vary**, and **proper installation is critical** to ensure longevity. If the exhaust system has been modified or is heavily worn, additional preparation may be needed. **Buyers should verify fitment, check supplier reviews, and consider purchasing from a reputable dealer** to minimize risks.
### **Recommendation:**- **Buy if:** You need a **direct OEM replacement**, want to **prevent exhaust leaks**, and are confident in your ability to install it correctly.
- **Consider alternatives if:** You suspect **exhaust system damage** (requiring additional repairs), the seal is **not widely available**, or you prefer **higher-end aftermarket brands** with extended warranties.
- **Best Practices:**- Inspect the **Y-pipe and surrounding areas** for corrosion or damage before installing.
- Use **high-temperature grease** (e.g., Permatex Ultra Temp) to enhance seal adhesion.
- Follow **Arctic Cat service manual guidelines** for proper installation torque and alignment.
- If possible, **compare with a known-good seal** (e.g., from a salvage yard) to ensure a perfect fit.
**Final Verdict:** This is a **solid choice for most Arctic Cat owners** needing a Y-pipe seal, but **due diligence in installation and part sourcing** is essential for long-term success.
This is helpful if you are buying multiple items. I need to exchange an item.: Brand: Sports Parts Inc, model Number: 3259-S316359-19. Compatibility: Years: Make: model: Application: Notes: 1998 - 2002 Arctic Authenticate, 1996 Polaris600 XCR SP, 2000 2001 Arctic Carpentry 10 2001 Cat Mountain Cat 1999 Polaris700 XCR, 1995 Castrate 8 1998 Polaris600 800 LE, 1999 Arctic 1997 Polaris600 SE, 1999 2003 Polaris800.
SPI Y-Pipe to Pipe Exhaust Seal-51mm-O.D.-55mm- height 10mm for 1995 - 2001 Arctic Cat ZRT 800 Snowmobile: Y-pipe exhaust seal. Parts without fitment are to be assumed universal and may require vehicle modification.