STARTING LINE PRODUCTS 2138-S746117-68 Slp Exhaust Flange Seal Grafoil Pipe Cat

( Brand: Starting Line Products ), ( Manufacturer Part Number: 2138-S746117-68 ), ( Part Type: Seal Pipe Exhaust Flange )

Review STARTING LINE PRODUCTS Slp Exhaust Flange Grafoil Seal twin Pipe Arctic Cat fits TWIN PANTERA 800 1998–1999

The **Starting Line 2138-S746117-68 SLP Exhaust Flange Grafoil Seal for Twin-Pipe Applications** is a precision-engineered aftermarket component designed specifically for the **1998-1999 Arctic Cat Pantera 800** to ensure a secure, leak-free connection between the exhaust manifold and the dual exhaust system. Crafted from high-performance **Grafoil gasket material**, this flange seal is engineered to withstand the extreme heat, vibration, and pressure generated by the Pantera 800 s powerful twin-cylinder engine while maintaining optimal sealing integrity. The **SLP (Super Low Profile)** design minimizes bulk and interference with surrounding components, allowing for a clean, streamlined fitment that preserves the vehicle s original aesthetic while delivering superior durability. Unlike generic or OEM replacements, this seal features a **customized contour** tailored to the Pantera 800 s exhaust flange, ensuring a perfect mating surface that eliminates gaps and prevents exhaust leaks critical for maintaining engine efficiency, reducing backpressure, and prolonging the lifespan of both the exhaust system and the engine itself. Whether installed during a full exhaust upgrade or as part of a routine maintenance overhaul, this seal is a must-have for enthusiasts seeking a reliable, long-lasting solution that balances performance and ease of installation. Built to meet or exceed factory specifications, it provides the confidence of a professional-grade fit while offering the convenience of a direct bolt-on replacement.

### **Pros and Cons of buying a Starting Line 2138-S746117-68 SLP Exhaust Flange Grafoil Seal for a 1998-1999 Arctic Cat Pantera 800**

1. **OEM Fitment and Compatibility** This part is specifically designed for the 1998-1999 Arctic Cat Pantera 800, ensuring a proper fit without modifications. It replaces the stock exhaust flange seal, which may degrade over time, leading to leaks or damage.

2. **High-Quality Grafoil Material** Grafoil is a durable, heat-resistant sealing material that provides a reliable gasket solution. It resists warping, cracking, and oil degradation better than some cheaper alternatives, extending the lifespan of the exhaust system.

3. **Prevents Exhaust Leaks** A failing exhaust flange seal can cause exhaust gases to escape, leading to reduced performance, increased emissions, and potential damage to surrounding components. Replacing it with this seal helps maintain a proper seal, improving efficiency and safety.

4. **Easy Installation** The SLP (Simple Locking Pin) design is typically straightforward to install, requiring only basic tools. No special equipment or expertise is needed, making it a DIY-friendly upgrade.

5. **Cost-Effective Solution** Compared to replacing an entire exhaust system or dealing with long-term damage from a failing seal, this part offers a budget-friendly fix. It s a preventative measure that avoids more expensive repairs down the line.

6. **Compatibility with Twin-Pipe Exhaust** Since your Pantera 800 has a twin-pipe exhaust setup, this seal is designed to work with that configuration, ensuring a proper fit without interference.

7. **Reduces Noise and Vibration** A properly sealed exhaust flange minimizes vibrations and rattles, contributing to a smoother ride and reduced noise from the engine bay.

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1. **Potential for Improper Installation** If not installed correctly, the seal could be misaligned or improperly compressed, leading to leaks or damage. This requires careful attention to torque specifications and alignment.

2. **Limited Longevity Compared to Metal Gaskets** While Grafoil is durable, it may not last as long as a metal or composite exhaust flange gasket in extreme conditions (e.g., high heat, constant vibration, or off-road abuse). It may need replacement every few years or after significant mileage.

3. **Availability and Sourcing** Depending on the region, this part may not be readily available at local dealers or auto shops. You might need to order it online, which could introduce delays or potential counterfeit risks if purchasing from untrusted sellers.

4. **No Performance Upgrade** This is a maintenance/replacement part, not a performance enhancement. It won t improve horsepower, torque, or exhaust flow only ensure proper sealing.

5. **Compatibility with Aftermarket Mods** If you ve modified your exhaust system (e.g., with larger pipes, headers, or custom flanges), this OEM-style seal may not fit perfectly. You might need to verify compatibility or consider an aftermarket alternative.

6. **Cost of Additional Tools** While installation is generally simple, you may need a torque wrench to ensure the flange bolts are tightened to the manufacturer s specifications. If you don t already own one, this could add to the cost.

7. **Risk of Counterfeit Parts** Purchasing from unverified sellers (especially online marketplaces) could result in a knockoff product that fails prematurely or doesn t fit correctly. Always buy from reputable dealers or the manufacturer s authorized distributors.

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The **Starting Line 2138-S746117-68 SLP Exhaust Flange Grafoil Seal** is a **reliable, cost-effective, and easy-to-install solution** for maintaining a proper seal in your 1998-1999 Arctic Cat Pantera 800 s exhaust system. It addresses a common wear point that can lead to leaks, performance issues, or further damage, making it a **practical preventative measure** rather than a luxury upgrade.

The **main drawbacks** revolve around **proper installation, longevity in extreme conditions, and potential sourcing challenges**. However, these issues are mitigated by following installation guidelines, purchasing from trusted sources, and recognizing that this is a **maintenance part** rather than a high-performance component.

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- You re experiencing exhaust leaks, rattles, or reduced performance from a failing flange seal.

- You want a **direct OEM replacement** that ensures compatibility without modifications.

- You re comfortable with a **DIY installation** and have access to basic tools (including a torque wrench).

- You prioritize **durability and heat resistance** over ultra-long-term performance (though Grafoil is still a solid choice).

- You ve heavily modified your exhaust system, and the seal may not fit properly.

- You re unable to verify the authenticity of the part (stick to authorized sellers).

- You re looking for a **performance upgrade** (this part won t improve power or flow).

- You re unsure about proper installation techniques (consult a mechanic if needed).

**Final Verdict:** **Worth purchasing** for most owners of a 1998-1999 Arctic Cat Pantera 800, provided it s installed correctly and sourced from a reputable dealer. It s a **smart investment** to prevent larger exhaust system issues and maintain engine efficiency. If you re unsure about installation, consider having a mechanic fit it for you.

Details:

I need to exchange an item. This is helpful if you are buying multiple items. 2010 - 2011 Arctic Cat F6 EFI Son Pro. 2004 - Arctic Cat Pantera 800 EFI.

Brand: Starting Line Products, model Number: 2138-S746117-68. SLP Exhaust Flange Grafoil Seal-Twin Pipe for 1998 1999 Arctic Cat Pantera 800: For Systems. Parts without fitment are to be assumed universal and may require vehicle modification.

part #: 2138s74611768 price

• $57.87

specifications exhaustsnowmobilee:

• for models: 800, Twin, Pantera
• for makes: Arctic, Arctic-cat
• for years: 1998-1999
• brand: Starting Line Products
• mpn: 2138-s746117-68
• part type: Seal Pipe Exhaust Flange

payments exhaustsnowmobilee:

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

returns exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• # reviews: 85374
• city: Boise, ID
• rating: 99.9%

shipping exhaustsnowmobilee:

• transit: 3-6 Days
• class: Standard
• cost: $0.00
• service: Standard
• type: Fixed

offer exhaustsnowmobilee:

• started: May 16, 2026
• availability: In Stock
• options: Ship-to-home
• quantity: 9
• sold: 0

general exhaustsnowmobilee:

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

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