STARTING LINE PRODUCTS 2953-S747747-73 Exhaust Flange Seal Grafoil Pipe Cat

( Brand: Starting Line Products ), ( Manufacturer Part Number: 2953-S747747-73 ), ( Part Type: Seal Pipe Exhaust Flange )

Review STARTING LINE PRODUCTS Exhaust Flange Grafoil Seal twin Pipe Arctic Cat fits TWIN 2004

The **OEM-replacement Starting Line 2953-S747747-73 Exhaust Flange Grafoil Seal for Twin-Pipe 2004 Arctic Cat Engines** is a precision-engineered aftermarket component designed to restore factory-level performance and reliability to your Arctic Cat s exhaust system. Crafted from high-temperature **Grafoil (graphite-based) sealing material**, this flange seal is engineered to withstand the extreme heat, vibration, and pressure generated by Arctic Cat s powerful twin-cylinder engines, ensuring a secure, leak-free connection between the exhaust manifold and the header pipes. Unlike generic or low-quality seals that may degrade prematurely or fail under stress, this seal features a **thick, resilient construction** that conforms perfectly to the flange s contours, eliminating gaps and preventing exhaust gas leaks that could compromise engine efficiency or trigger check engine lights. The **OEM-compatible design** guarantees an exact fit with the 2004 Arctic Cat s exhaust system, including the **twin-pipe configuration**, while the **heat-resistant properties** of Grafoil ensure long-lasting durability, even under prolonged high-load operation. Whether you re preparing for heavy-duty tasks, off-road adventures, or extended runtime, this seal provides a **tight, vibration-dampening barrier** that maintains exhaust flow integrity while reducing the risk of costly internal damage from backpressure. Ideal for both maintenance and upgrade applications, this seal is a straightforward yet critical upgrade for anyone seeking to preserve the performance and longevity of their Arctic Cat s exhaust system.

### **Pros and Cons of buying a Starting Line 2953-S747747-73 Exhaust Flange Grafoil Seal for a Twin-Pipe 2004 Arctic Cat**

1. **Direct Compatibility** The part number (2953-S747747-73) is specifically designed for Arctic Cat engines, particularly those with twin exhaust pipes. This reduces the risk of sizing issues or improper fitment compared to generic aftermarket seals.

2. **Grafoil Material** Grafoil is a high-quality, heat-resistant material that provides a reliable seal against exhaust gases. It is durable and can withstand the high temperatures and vibrations common in snowmobile exhaust systems.

3. **Easy Installation** The seal is designed to fit standard exhaust flange setups, meaning it should be straightforward to install without requiring extensive modifications or additional tools.

4. **Cost-Effective Solution** Compared to full exhaust system replacements or custom fabrication, this seal is a relatively inexpensive fix for a common wear issue. It can extend the life of your exhaust system before more significant damage occurs.

5. **Prevents Leaks** A failing exhaust flange seal can cause exhaust leaks, which not only waste power but also create noise and potential safety hazards (e.g., carbon monoxide exposure). Replacing it ensures a proper seal and maintains engine efficiency.

6. **Widely Available** Starting Line is a reputable brand with a strong presence in the snowmobile and off-road aftermarket, meaning the part should be easy to find at dealers, online retailers, or through authorized distributors.

7. **Minimal Downtime** Replacing a seal is a quick job that typically requires only basic tools (socket wrench, torque wrench if specified, and possibly a gasket scraper). Most riders can complete the job in under an hour.

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1. **Potential Counterfeit Risk** Like many aftermarket parts, there is a chance of purchasing a counterfeit or low-quality replica, especially if buying from untrusted online sellers. Always verify the seller s reputation and check for authenticity markings.

2. **Limited Longevity** While Grafoil is durable, it is not indestructible. If the exhaust flange itself is damaged or misaligned, the seal may wear out quickly. This could lead to repeated replacements over time.

3. **May Require Additional Maintenance** If the exhaust flange or surrounding components (e.g., bolts, gaskets) are corroded or stripped, replacing just the seal may not fully resolve the issue. A thorough inspection of the entire exhaust system may be necessary.

4. **Price Variability** Prices can fluctuate based on supplier, demand, or region. While generally affordable, some sellers may mark up prices, especially for "limited stock" items.

5. **Installation Challenges** If the exhaust system is heavily corroded or the bolts are seized, removing the old seal or installing the new one could be difficult. In such cases, additional lubricants (e.g., penetrating oil) or professional help may be needed.

6. **Not a Permanent Fix for Underlying Issues** If the exhaust flange is cracked, bent, or otherwise damaged, replacing just the seal will not address the root problem. The flange may need replacement as well.

7. **Potential for Improper Fitment** While the part number suggests compatibility, minor variations in Arctic Cat exhaust designs (e.g., year-specific modifications or aftermarket upgrades) could cause fitment issues. Always cross-reference with your exact model and exhaust configuration.

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The **Starting Line 2953-S747747-73 Grafoil seal** is a **practical and cost-effective solution** for addressing exhaust flange leaks in a 2004 Arctic Cat twin-pipe snowmobile. Its direct compatibility, durability, and ease of installation make it a strong choice for riders dealing with common seal wear. However, it is not a universal fix it requires the exhaust flange itself to be intact, and additional issues (e.g., corrosion, misalignment) may necessitate further repairs.

- **Buy from a reputable dealer or trusted online retailer** (e.g., Arctic Cat authorized parts centers, Starting Line s official website, or well-reviewed marketplaces like Amazon or eBay with seller guarantees).

- **Inspect the exhaust flange and surrounding components** before installation. Replace the flange if it is damaged, as a new seal alone may not hold long-term.

- **Follow proper installation procedures**, including cleaning the flange surfaces and using the correct torque specifications to avoid leaks or damage.

- **Consider purchasing a spare seal** if you frequently use your snowmobile or plan to store it for extended periods, as seals can degrade over time.

- **If in doubt, consult a professional mechanic** to ensure the exhaust system is in optimal condition before relying solely on the seal replacement.

**Final Verdict:** **Worth purchasing** for its reliability and ease of use, provided the underlying exhaust components are sound. It is a smart preventive measure to avoid more costly repairs down the line.

Details:

2010 - 2011 Arctic Cat F6 EFI Son Pro. Starting Line Exhaust Flange Grafoil Seal-Twin Pipe for 2004 Arctic Cat Mountain 800 EFI 159 Snowmobile: For SLP Systems. Parts without fitment are to be assumed universal and may require vehicle modification. I need to exchange an item.

2012 - Arctic Cat F5 LXR.: Brand: Starting Line Products, model Number: 2953-S747747-73. This is helpful if you are buying multiple items.

part #: 2953s74774773 price

• $57.87

specifications exhaustsnowmobilee:

• for models: Twin
• for makes: Arctic, Arctic-cat
• for years: 2004
• brand: Starting Line Products
• mpn: 2953-s747747-73
• part type: Seal Pipe Exhaust Flange

shipping exhaustsnowmobilee:

• cost: $0.00
• class: Standard
• service: Standard
• transit: 2-5 Days
• type: Fixed

general exhaustsnowmobilee:

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

payments exhaustsnowmobilee:

• wallet: Apple-pay
• other
• credit card: Mastercard

offer exhaustsnowmobilee:

• sold: 0
• started: May 18, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 9

returns exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• city: Boise, ID
• rating: 99.9%
• # reviews: 85436

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