STARTING LINE PRODUCTS 2645-S747131-35 Exhaust Flange Seal Grafoil Pipe Cat

( Brand: Starting Line Products ), ( Manufacturer Part Number: 2645-S747131-35 ), ( Part Type: Seal Pipe Exhaust Flange )

Review STARTING LINE PRODUCTS Exhaust Flange Grafoil Seal twin Pipe Arctic Cat fits TWIN 2012–2013

The **Starting Line 2645-S747131-35 Exhaust Flange Grafoil Seal for Twin-Pipe Applications (2012-2013 Arctic Cat)** is a precision-engineered aftermarket component designed to ensure a secure, leak-free connection between the exhaust manifold and the catalytic converter or muffler assembly on Arctic Cat snowmobiles from the 2012 and 2013 model years. Crafted from high-performance **Grafoil**, a form of flexible graphite sheeting, this seal is engineered to withstand extreme temperatures, aggressive vibrations, and the relentless demands of off-road performance without degrading or losing its integrity. The Grafoil material provides an exceptional balance of flexibility and durability, allowing it to conform seamlessly to the contours of the exhaust flange while maintaining a tight, consistent seal that prevents exhaust gases from escaping thereby optimizing engine efficiency and reducing noise pollution. Unlike traditional rubber or silicone seals that can crack or harden over time, this Grafoil seal remains resilient in subzero conditions, ensuring reliable performance whether you're carving deep powder or cruising through icy trails. Its universal fit is tailored specifically for Arctic Cat s twin-pipe exhaust systems, making it an ideal replacement for OEM seals that may wear out prematurely due to the harsh conditions encountered in winter riding. Installation is straightforward, requiring only basic tools, and the seal s self-adhesive backing ensures a quick, mess-free application that eliminates the need for additional sealants or clamps. Whether you're restoring stock performance or upgrading your exhaust system, this seal is a critical component that guarantees a smooth, leak-proof exhaust flow, helping to preserve your engine s power and longevity while keeping your ride running cleanly and quietly.

### **Pros and Cons of buying a Starting Line 2645-S747131-35 Exhaust Flange Grafoil Seal for a Twin-Pipe 2012-2013 Arctic Cat**

1. **Direct Fitment** The part is specifically designed for the 2012-2013 Arctic Cat twin-pipe exhaust system, reducing the risk of compatibility issues with aftermarket or generic seals.

2. **High-Quality Grafoil Material** Grafoil is a durable, heat-resistant, and flexible sealing material that provides a tight, long-lasting seal. It resists warping, cracking, and degradation under high temperatures, which is critical for exhaust systems.

3. **Pre-Cut and Ready to Install** The seal is pre-shaped to fit the exhaust flange, saving time and effort during installation compared to cutting a generic seal to size.

4. **Prevents Leaks and Backpressure** A properly seated exhaust flange seal ensures a leak-free connection, improving engine efficiency and reducing exhaust noise. Backpressure issues can be mitigated, leading to better performance.

5. **Widely Available and Trusted Brand** Starting Line is a reputable manufacturer known for producing high-quality exhaust components. The part is likely available through authorized dealers, online retailers, or Arctic Cat service centers.

6. **Cost-Effective Solution** While not the cheapest option, it is a reasonable investment compared to potential engine damage or performance loss from a failed seal.

7. **Easy Replacement** The design allows for straightforward removal and installation, making it a DIY-friendly part if you are comfortable working on your exhaust system.

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1. **Potential Overkill for Minor Wear** If the existing seal is only slightly damaged or worn, replacing it with a new Grafoil seal may be unnecessary. A simpler repair (e.g., cleaning and re-greasing) could suffice, saving money.

2. **Requires Proper Installation** If not installed correctly (e.g., uneven seating, improper alignment, or insufficient torque), the seal may fail prematurely, leading to leaks or damage to the flange or exhaust pipes.

3. **Limited Customization** Unlike some aftermarket seals, this is a stock or OEM-style part, meaning you cannot modify its shape or thickness for alternative applications (e.g., upgrading to a thicker seal for better sealing in extreme conditions).

4. **Price Point** While not excessively expensive, it may be more costly than a generic or aftermarket Grafoil seal from a less-known brand. If budget is a concern, alternatives exist, though with varying quality guarantees.

5. **Availability May Vary** Depending on your location, the part might not be readily stocked at local dealers, requiring an order from an online retailer, which could introduce shipping delays.

6. **Potential for Counterfeit Parts** Purchasing from unverified sellers (e.g., third-party online marketplaces) could result in counterfeit or low-quality replicas that fail quickly or do not fit properly.

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The **Starting Line 2645-S747131-35 Grafoil exhaust flange seal** is a **reliable, high-quality choice** for your 2012-2013 Arctic Cat twin-pipe exhaust system. Its **direct fitment, durability, and leak prevention** make it a strong option for those prioritizing performance and longevity. However, it may not be the most economical solution if the existing seal is only minimally damaged or if you are open to aftermarket alternatives.

For most users, **the benefits outweigh the drawbacks**, especially if you value a **long-lasting, leak-free seal** and do not mind paying a premium for a trusted brand. If you are on a tight budget or the seal is only slightly worn, consider **cleaning and re-greasing the existing seal** or exploring **aftermarket Grafoil options** from reputable manufacturers like **Fel-Pro or Sealed Power** as cost-effective alternatives.

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- You need a **direct-fit, high-quality seal** for your Arctic Cat exhaust.

- You want to **prevent leaks, backpressure, and exhaust noise**.

- You are willing to **pay a slightly higher price** for a trusted brand with a proven track record.

- The existing seal is **only slightly damaged** and can be **cleaned and re-greased**.

- You are **open to aftermarket Grafoil seals** (e.g., Fel-Pro or Sealed Power) for a **lower cost** while maintaining similar quality.

- You prefer **DIY-friendly, widely available parts** and are comfortable sourcing from multiple suppliers.

**Final Verdict:** For most owners, the **Starting Line seal is the best choice** due to its **reliability and compatibility**, but always **inspect the current seal** before committing to a replacement. If installing, follow the manufacturer s torque specifications and ensure a **clean, dry flange surface** for optimal sealing.

Details:

2010 - 2011 Arctic Cat F6 EFI Son Pro. Parts without fitment are to be assumed universal and may require vehicle modification. Starting Line Exhaust Flange Grafoil Seal-Twin Pipe for 2012 2013 Arctic Cat Progress XF 800 LXR Snowmobile: For SLP Systems. 2012 - Arctic Cat F5 LXR.

I need to exchange an item. This is helpful if you are buying multiple items.: Brand: Starting Line Products, model Number: 2645-S747131-35.

part #: 2645s74713135 price

• $57.87

specifications exhaustsnowmobilee:

• for models: Twin
• for makes: Arctic, Arctic-cat
• for years: 2012-2013
• brand: Starting Line Products
• mpn: 2645-s747131-35
• part type: Seal Pipe Exhaust Flange

general exhaustsnowmobilee:

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

returns exhaustsnowmobilee:

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

offer exhaustsnowmobilee:

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

shipping exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• rating: 99.9%
• # reviews: 85422
• city: Boise, ID

payments exhaustsnowmobilee:

• wallet: Google-pay
• credit card: Discover
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