STARTING LINE PRODUCTS 1440-S546721-90 Slp Exhaust Flange Grafoil Seal Cat

( Brand: Starting Line Products ), ( Manufacturer Part Number: 1440-S546721-90 ), ( Part Type: Seal Exhaust Flange )

Review STARTING LINE PRODUCTS Slp Exhaust Flange Grafoil Seal Arctic Cat fits SABERCAT EFI 600 2004–2005

The **Starting Line 1440-S546721-90 SLP Exhaust Flange Grafoil Seal** is a precision-engineered aftermarket component meticulously designed to ensure a secure, leak-free, and vibration-dampening connection between the exhaust manifold and the catalytic converter on **2004-2005 Arctic Cat Sabercat 600 EFI** models. Crafted from **high-temperature Grafoil**, a proprietary blend of graphite and fiberglass, this seal delivers exceptional durability and thermal resistance, making it ideal for the demanding conditions of off-road and recreational applications. The **SLP (Super Low Profile) design** ensures a tight, interference-fit seal that minimizes gaps, preventing exhaust gases from escaping while absorbing engine vibrations to reduce noise and wear on surrounding components. Unlike generic rubber or silicone seals that can degrade under extreme heat or mechanical stress, this Grafoil seal maintains its integrity over time, resisting oil, fuel, and moisture while providing a consistent, reliable barrier against leaks. Its **OEM-compatible dimensions** guarantee a perfect fit, eliminating the need for modification or compromise, and its robust construction ensures long-lasting performance even in rough terrain or high-performance riding scenarios. Whether you're tackling trails, improving exhaust flow, or upgrading your Sabercat s sound, this seal is a critical upgrade for maintaining efficiency, reducing emissions, and protecting your engine s exhaust system from premature failure.

### **Pros and Cons of buying a Starting Line 1440-S546721-90 SLP Exhaust Flange with Grafoil Seal for a 2004-2005 Arctic Cat Sabercat 600 EFI**

1. **OEM Compatibility** The part is designed specifically for the 2004-2005 Arctic Cat Sabercat 600 EFI, ensuring a proper fit without modifications. This reduces the risk of leaks or improper installation.

2. **Grafoil Seal Included** Grafoil is a high-temperature, flexible sealing material that provides a reliable gasket between the exhaust flange and the engine. It helps prevent exhaust gas leaks and maintains a secure connection.

3. **SLP (Super Low Profile) Design** The SLP designation suggests a streamlined, low-profile flange that may improve exhaust flow and reduce backpressure, potentially enhancing engine performance.

4. **Durability** Starting Line parts are generally built to withstand the high temperatures and vibrations associated with small-engine exhaust systems, reducing the likelihood of premature failure.

5. **Ease of Installation** As an aftermarket part from a reputable brand, it should come with clear instructions and may require fewer adjustments than a DIY fabrication job.

6. **Warranty Coverage** Starting Line typically offers warranties on their products, providing some assurance against manufacturing defects.

1. **Cost** Aftermarket parts, even OEM-compatible ones, can be more expensive than generic or DIY solutions. The price may be higher than a basic exhaust flange without a seal.

2. **Potential for Counterfeit or Low-Quality Products** If purchasing from an untrusted seller (e.g., third-party online marketplaces), there is a risk of receiving a fake or substandard part that doesn t meet specifications.

3. **Limited Customization** Since this is a stock-style part, it may not offer performance upgrades (e.g., larger diameter or free-flowing designs) that some enthusiasts seek.

4. **Installation Skill Required** While the part is designed for easy fitment, improper installation (e.g., over-tightening, misalignment, or incorrect seal placement) could lead to leaks or damage to the engine or exhaust system.

5. **Availability of Alternatives** Depending on the source, you might find similarly priced or even cheaper options from other brands (e.g., Edelbrock, Walker, or generic manufacturers) that could serve the same purpose.

6. **Potential for Excessive Heat Transfer** Some aftermarket flanges may not dissipate heat as efficiently as stock components, though the Grafoil seal helps mitigate this risk.

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### **Conclusion and Recommendation**

The **Starting Line 1440-S546721-90 SLP Exhaust Flange with Grafoil Seal** is a solid choice for a 2004-2005 Arctic Cat Sabercat 600 EFI if you prioritize **OEM compatibility, reliability, and ease of installation**. The inclusion of a Grafoil seal ensures a better seal than a bare flange, reducing the risk of leaks, while the SLP design may offer slight performance benefits over stock components.

- **Generic exhaust flanges with gaskets** (often cheaper but may lack the same quality or fitment precision).

- **Stock replacement parts** (if available from Arctic Cat or authorized dealers, though these may be harder to find for older models).

- **Other reputable brands** (e.g., Walker or Edelbrock) that offer similar parts at comparable prices.

If you are replacing a damaged or worn flange and want a **direct drop-in solution with minimal risk of leaks or installation issues**, this Starting Line part is a **strong, reliable option**. Purchase it from an **authorized dealer or trusted online retailer** (e.g., Starting Line s official website, Amazon with verified seller feedback, or a local small-engine supply store) to avoid counterfeit products.

For **budget-conscious buyers**, compare prices across multiple sellers and consider whether the slight performance or durability benefits justify the cost over a generic alternative. Always **follow the installation instructions carefully** to ensure a proper seal and avoid damaging the exhaust system.

Details:

I need to exchange an item. 2004 - Arctic Cat Sabercat 600 Twin Pipe. SLP Exhaust Flange Grafoil Seal for 2004 - 2005 Arctic Cat Sabercat 600 EFI: For Systems.: Brand: Starting Line Products, model Number: 1440-S546721-90.

2004 - 2005 Arctic Cat Sabercat 600 EFI Twin Pipe. Parts without fitment are to be assumed universal and may require vehicle modification. This is helpful if you are buying multiple items.

part #: 1440s54672190 price

• $57.87

specifications exhaustsnowmobilee:

• for models: Efi, 600, Sabercat
• for makes: Arctic, Arctic-cat
• for years: 2004-2005
• brand: Starting Line Products
• mpn: 1440-s546721-90
• part type: Seal Exhaust Flange

general exhaustsnowmobilee:

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

shipping exhaustsnowmobilee:

• service: Standard
• cost: $0.00
• transit: 2-6 Days
• class: Standard
• type: Fixed

seller exhaustsnowmobilee:

• city: Boise, ID
• rating: 99.9%
• # reviews: 84669

payments exhaustsnowmobilee:

• other
• credit card: Discover
• wallet: Paypal

offer exhaustsnowmobilee:

• quantity: 3
• availability: In Stock
• sold: 0
• started: May 6, 2026
• options: Ship-to-home

returns exhaustsnowmobilee:

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

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