1. Exhaust Snowmobile Parts For Sale
  2. sku: 10175012887872602
  3. STARTING LINE PRODUCTS 1754-S745349-44

STARTING LINE PRODUCTS 1754-S745349-44 Exhaust Flange Seal Grafoil Pipe Cat

fits model: M8, Twin. make: Arctic, Arctic-cat. year: 2009–2010.

1754-s745349-44 Starting Line Products Exhaust Flange Grafoil Seal-twin Pipe For 2009-2010 Arctic Cat M8

( Brand: Starting Line Products ), ( Manufacturer Part Number: 1754-S745349-44 ), ( Part Type: Seal Pipe Exhaust Flange )

Review STARTING LINE PRODUCTS Exhaust Flange Grafoil Seal twin Pipe Arctic Cat fits TWIN M8 2009–2010

The **Starting Line 1754-S745349-44 Exhaust Flange Grafoil Seal for Twin-Pipe Applications** is a meticulously engineered aftermarket component designed to deliver a seamless and high-performance fit for the **2009-2010 Arctic Cat M8** outboard motor. Crafted from **high-temperature Grafoil gasket material**, this premium seal ensures an airtight, vibration-resistant barrier between the exhaust flange and the engine s exhaust system, preventing leaks, reducing exhaust backpressure, and maintaining optimal engine efficiency. The **precision-cut design** of the flange accommodates the twin exhaust pipes of the M8, providing a perfect alignment with the factory mounting points while accommodating minor variations in installation due to wear or manufacturing tolerances. Built to withstand the extreme thermal and mechanical stresses of high-performance outboard operation, this gasket features a **reinforced core** that resists deformation under heat and pressure, ensuring long-term reliability even during prolonged use at full throttle. Whether you're preparing for a day of deep-sea fishing, high-speed cruising, or heavy-duty towing, this **universally compatible** exhaust flange seal eliminates common issues like oil leaks, exhaust gas seepage, and premature wear on the exhaust system, allowing you to focus on performance without compromise. Ideal for both new installations and replacements, the **Starting Line 1754-S745349-44** is a must-have upgrade for M8 owners seeking to enhance durability, reduce maintenance headaches, and preserve the integrity of their exhaust system.

**Pros and Cons of buying a Starting Line 1754-S745349-44 Exhaust Flange Grafoil Seal for a Twin-Pipe 2009-2010 Arctic Cat M8**

### **Pros:**

1. **Compatibility** This part is specifically designed for the 2009-2010 Arctic Cat M8, ensuring a proper fit for the exhaust flange and twin-pipe setup. Avoiding generic or mismatched seals reduces the risk of leaks or damage.

2. **High-Quality Material (Grafoil)** Grafoil is a flexible, 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 design appears to be straightforward, requiring minimal tools and effort to replace the old seal. This can save time and labor compared to more complex aftermarket solutions.

4. **Cost-Effective Solution** As a direct OEM or high-quality aftermarket replacement, it is likely more affordable than purchasing an entire exhaust system or custom-fitted parts. It also prevents potential long-term damage from a failing seal.

5. **Prevents Exhaust Leaks** A faulty exhaust flange seal can cause exhaust gases to escape, leading to reduced performance, increased emissions, and potential damage to surrounding components. This seal helps maintain system integrity.

6. **Widely Available Support** Since this is a common part for Arctic Cat snowmobiles, finding replacement seals or installation assistance should be relatively easy through dealers, online retailers, or forums.

---

### **Cons:**

1. **Potential Wear Over Time** Like all seals, Grafoil can degrade due to heat, oil exposure, or mechanical stress. If not properly maintained, it may need replacement sooner than expected, especially in harsh winter conditions.

2. **Installation Challenges** While generally easy, improper installation (e.g., uneven compression, misalignment) can lead to leaks or premature failure. Ensuring a clean surface and correct placement is critical.

3. **Limited Customization** This is a stock or near-stock seal, meaning it does not offer performance enhancements like aftermarket high-flow options. If you re looking to improve exhaust flow or sound, you may need additional modifications.

4. **Dependence on OEM Fit** If the exhaust system has been previously modified (e.g., bent pipes, custom flanges), the stock seal may not align perfectly, requiring adjustments or a different part entirely.

5. **Price Sensitivity** While reasonable, the cost may be higher than generic or lower-quality seals. If budget is a concern, you might consider alternatives, though quality should not be compromised for long-term reliability.

6. **Availability of Alternatives** Some aftermarket brands offer similar or superior seals with additional features (e.g., better heat resistance, easier installation). Researching alternatives could yield a better long-term solution.

---

### **Conclusion:**

The **Starting Line 1754-S745349-44 Grafoil exhaust flange seal** is a solid choice for the 2009-2010 Arctic Cat M8, particularly if you prioritize compatibility, reliability, and ease of installation. Its Grafoil material ensures durability against heat and vibration, and it serves as a direct replacement to prevent leaks and maintain exhaust system performance. However, it is not a performance upgrade and may require careful installation to avoid issues.

If your primary goal is **replacing a worn seal to fix leaks or maintain functionality**, this part is highly recommended. If you re considering **exhaust modifications for better flow or sound**, you may need to pair this with additional aftermarket components. Always verify the condition of surrounding parts (e.g., bolts, gaskets) during installation to ensure a long-lasting seal.

**Final Recommendation:**

**Purchase the Starting Line Grafoil seal** if you need a reliable, direct replacement for your Arctic Cat M8 s exhaust flange. Ensure you follow installation guidelines carefully, and consider inspecting the exhaust system periodically for signs of wear. If you plan to modify the exhaust further, research compatible aftermarket options to complement this seal.

Details:

Parts without fitment are to be assumed universal and may require vehicle modification. I need to exchange an item.: Brand: Starting Line Products, model Number: 1754-S745349-44. This is helpful if you are buying multiple items.

Starting Line Exhaust Flange Grafoil Seal-Twin Pipe for 2009 2010 Arctic Cat M8 EFI 162 Son Pro Snowmobile: For SLP Systems. 2009 - 2011 Arctic Cat M8 HCR 153.

part #: 1754s74534944 price

  • $57.87

specifications exhaustsnowmobilee:

  • for models: M8, Twin
  • for makes: Arctic, Arctic-cat
  • for years: 2009-2010
  • brand: Starting Line Products
  • mpn: 1754-s745349-44
  • part type: Seal Pipe Exhaust Flange

shipping exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

  • city: Boise, ID
  • # reviews: 85418
  • rating: 99.9%

payments exhaustsnowmobilee:

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

offer exhaustsnowmobilee:

  • sold: 0
  • quantity: 9
  • started: May 17, 2026
  • options: Ship-to-home
  • availability: In Stock

returns exhaustsnowmobilee:

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

general exhaustsnowmobilee:

  • Parts Accessories > Snowmobile Parts > Exhaust
  • condition: New
for models: m8, twin, for makes: arctic, arctic-cat, for years: 2009-2010, part type: seal pipe exhaust flange,
category: snowmobile parts > exhaust, sku: 10175012887872602,
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1 offer $57.87 USD
  • New. Offer #1 priced at $57.87 + $0.00 shipping estimate = $57.87* total. 2010 - 2010 Arctic Cat M8 153 Limited. 2009 - 2010 Arctic Cat M8 EFI 162 Sno Pro.FREE SHIPPING

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