fits model: X16, Touring, Grand. make: Ski-doo. year: 2003.

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 4658-S679157-68 )
The **SPI Tailpipe Gasket (Part #4658-S679157-68)** is a precision-engineered aftermarket component designed specifically for the **2003 Ski-Doo Touring** models, ensuring a secure and leak-proof seal between the exhaust system and the engine s tailpipe assembly. Crafted from high-quality **heat-resistant silicone rubber**, this gasket features a **51 -inch inner diameter (I.D.)**, a **64-inch outer diameter (O.D.)**, and a **16/5-inch thickness**, providing an optimal balance of durability and flexibility to accommodate the unique contours of the Ski-Doo s exhaust manifold. The gasket s **reinforced construction** prevents warping under high-temperature conditions, while its **smooth, non-abrasive surface** minimizes friction against the tailpipe and engine housing, reducing the risk of premature wear or damage. Ideal for both stock and modified applications, this gasket is compatible with the **Touring s stock exhaust system** and can also be used in conjunction with performance upgrades, such as high-flow mufflers or catalytic converters, without compromising fit or functionality. Its **universal design** ensures a tight, vibration-dampening seal, helping to eliminate exhaust leaks, reduce noise intrusion, and maintain optimal engine performance. Whether you're performing routine maintenance or upgrading your Ski-Doo s exhaust system, this **SPI gasket** delivers a reliable, long-lasting solution that meets or exceeds OEM standards while offering enhanced protection against heat, vibration, and environmental contaminants.
### **Pros and Cons of buying a 4658-S679157-68 SPI Tailpipe Gasket (51.5/2 x 64 x 16/5 for 2003 Ski-Doo Touring)**
#### **Pros:**1. **OEM Compatibility** This gasket is designed as an original equipment part (OEM) or a direct replacement for the Ski-Doo Touring s tailpipe assembly, ensuring a proper fit without modifications.
2. **Sealing Efficiency** A high-quality gasket prevents exhaust leaks, which improves engine performance by maintaining proper exhaust flow and reducing backpressure.
3. **Durability** SPI (Ski-Doo Performance International) parts are generally built to last, using materials that resist heat, vibration, and corrosion, which is critical in an exhaust system.
4. **Easy Installation** The dimensions (51.5/2" ID x 64" length x 16/5" OD) are standard for the 2003 Touring, making replacement straightforward for most mechanics or DIYers with basic tools.
5. **Cost-Effective Fix** Replacing a worn or leaking gasket is far cheaper than dealing with long-term engine damage from poor exhaust sealing, which can lead to reduced power or catalytic converter issues.
6. **Noise Reduction** A properly sealed gasket helps contain exhaust noise, improving the riding experience and potentially meeting emissions standards.
7. **Warranty Coverage** SPI parts often come with warranties, providing peace of mind against defects in materials or workmanship.
#### **Cons:**1. **Limited Availability** SPI parts may not be as widely stocked as aftermarket alternatives, requiring special ordering or purchasing from authorized dealers, which could take longer.
2. **Price** While still reasonable for an OEM-quality part, it may be more expensive than generic aftermarket gaskets, though the trade-off is reliability.
3. **Installation Skill Required** If the exhaust system is corroded or the gasket area is damaged, proper installation may require cleaning or replacement of surrounding components, adding time and cost.
4. **Potential for Counterfeit Parts** Buying from unverified sellers (e.g., third-party online marketplaces) risks receiving fake or low-quality replicas, which could fail prematurely.
5. **Compatibility Doubts** While the dimensions match, slight variations in mounting or exhaust design (e.g., rust, misalignment) could cause leaks if not installed carefully.
6. **Exhaust System Inspection Needed** If the gasket is being replaced due to a leak, the rest of the exhaust system (e.g., muffler, pipes, clamps) should be inspected for wear, as neglecting other issues could lead to recurring problems.
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### **Conclusion**
The **4658-S679157-68 SPI tailpipe gasket** is a solid choice for a **2003 Ski-Doo Touring** if you prioritize **reliability, OEM fitment, and long-term performance**. The pros such as proper sealing, durability, and ease of installation outweigh the cons (like potential availability issues or higher cost) for most riders. However, the decision depends on your **budget, mechanical comfort, and whether you re addressing a specific leak or proactive maintenance**.
If you re experiencing **exhaust leaks, rattling noises, or reduced power**, this gasket is a **direct and effective fix**. If you re unsure about installation, consulting a Ski-Doo dealer or mechanic ensures proper handling. For those on a tight budget, a **high-quality aftermarket gasket** (e.g., from brands like **Mucoff or Fel-Pro**) could be a cost-effective alternative, but SPI remains the safest bet for OEM performance.
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### **Recommendation:** **Buy the SPI gasket if:**- You need a **direct replacement** with minimal risk of fitment issues.
- You value **durability and warranty coverage**.
- You re comfortable installing it yourself or have access to a mechanic.
**Consider alternatives if:**- You re open to **aftermarket options** (e.g., Mucoff) for a lower cost.
- You re unsure about the exhaust system s condition and need a full inspection.
- You can t find the SPI part easily and must prioritize speed over brand.
**Final Verdict:** For most **2003 Ski-Doo Touring** owners dealing with tailpipe gasket failure, the **SPI part is the best choice** for a reliable, long-lasting fix. Pair it with a thorough inspection of the exhaust system to prevent future issues.
Brand: Sports Parts Inc, model Number: 4658-S679157-68. 2003 - Ski-Doo Grand Touring 700 Sport. I need to exchange an item. Parts without fitment are to be assumed universal and may require vehicle modification.
2010 - 2011 Ski-Doo Grand Touring 600 Sport. This is helpful if you are buying multiple items. 2012 - 2017 Ski-Doo Grand Touring Sport 600 ACE.