1. Exhaust Snowmobile Parts For Sale
  2. sku: 9588771043001891
  3. SPORTS INC 4487-S678815-77

SPORTS PARTS INC 4487-S678815-77 Spi Tailpipe Ski Doo GASKET-51 1/2 I.D.X64 O.D.X16 1/5

fits model: X16, Mx, 600. make: Ski-doo. year: 2007–2010.

4487-s678815-77 Sports Parts Inc Spi Tailpipe Gasket-51 1/2 I.d.x64 O.d.x16 1/5 H For 2007-2010 Ski-doo Mx Z 600

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 4487-S678815-77 )

Review SPORTS PARTS INC Spi Tailpipe 1/2.d.x64.d.x16 1/5for Ski doo fits X16 MX 600 2007–2010

The **SPI Tailpipe Gasket (Part #4487-S678815-77)** is a precision-engineered, high-performance aftermarket gasket designed specifically for the **2007 2010 Ski-Doo MX 600** snowmobile, ensuring a secure and leak-free seal between the exhaust system and the engine s tailpipe assembly. Crafted from **high-temperature-resistant silicone rubber**, this gasket is engineered to withstand the extreme thermal and mechanical stresses of high-performance snowmobile operation, providing reliable durability even under the most demanding conditions. With an **inner diameter (I.D.) of 5 inches**, an **outer diameter (O.D.) of 6 inches**, and a **thickness of 1/5 inch**, this gasket is meticulously sized to fit seamlessly within the MX 600 s exhaust manifold and tailpipe interface, eliminating gaps that could lead to exhaust leaks, reduced performance, or even engine damage from backpressure. Its **reinforced construction** ensures long-lasting resilience against vibration, cold temperatures, and the corrosive effects of snowmobile exhaust gases, making it an ideal upgrade for both stock and modified setups. Whether you're looking to maintain factory performance or enhance exhaust flow for improved throttle response, this gasket is a critical component for a tight, efficient seal that keeps your Ski-Doo running smoothly no matter how aggressive your riding style. Perfect for DIY enthusiasts or professional mechanics, it s a straightforward yet essential part for anyone seeking to preserve the integrity of their snowmobile s exhaust system.

### **Pros and Cons of buying a 4487-S678815-77 SPI Tailpipe Gasket (51 " ID x 64" OD x 16/5") for a 2007 2010 Ski-Doo MX 600**

#### **Pros:**

1. **Compatibility** This gasket is specifically designed for the 2007 2010 Ski-Doo MX 600, ensuring a proper fit without modifications. The dimensions (51 " inner diameter, 64" outer diameter, and 16/5" thickness) match the tailpipe assembly, reducing the risk of leaks or improper installation.

2. **Sealing Performance** A high-quality SPI (Silicon Polymer Impregnated) gasket provides superior sealing compared to basic rubber or paper gaskets. This helps prevent exhaust gas leaks, which can improve engine efficiency and reduce noise.

3. **Durability** SPI gaskets are resistant to heat, vibration, and oil exposure, making them more long-lasting than standard alternatives. This reduces the likelihood of premature failure, especially in off-road applications where the tailpipe is subjected to rough conditions.

4. **Easy Installation** The gasket is designed to fit standard tools and does not require specialized equipment. Most mechanics or experienced riders can replace it without significant downtime.

5. **Cost-Effective for Maintenance** While the price may seem moderate, replacing a faulty gasket early prevents more expensive issues like exhaust leaks, which can damage the muffler or catalytic converter over time.

6. **Brand Reputation** SPI is a trusted manufacturer in the ATV and motorcycle aftermarket, known for producing reliable gaskets and exhaust components. This increases confidence in the product s quality.

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#### **Cons:**

1. **Price Consideration** Compared to generic or cheaper gaskets, this SPI part may be slightly more expensive. However, the added durability often justifies the cost.

2. **Potential for Counterfeit Products** Purchasing from unverified sellers (e.g., third-party marketplaces) could result in a counterfeit gasket that fails prematurely. Buying from an authorized dealer or reputable online retailer minimizes this risk.

3. **Limited Availability** Since this is a specific part for a niche model range (2007 2010 MX 600), it may not be as widely stocked as universal gaskets. This could require ordering in advance or checking inventory carefully.

4. **Installation Challenges (If DIY)** While the gasket itself is straightforward, improper installation (e.g., misalignment or overtightening) can cause leaks or damage to the tailpipe flange. Those without mechanical experience may need professional help.

5. **Wear Over Time** No gasket lasts indefinitely. Even high-quality SPI gaskets can degrade due to extreme heat, oil contamination, or physical stress, requiring eventual replacement.

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### **Conclusion:**

The **4487-S678815-77 SPI Tailpipe Gasket** is a well-suited, high-quality replacement for the 2007 2010 Ski-Doo MX 600, offering superior sealing and durability compared to generic alternatives. Its compatibility, ease of installation, and brand reliability make it a strong choice for maintenance or repair. However, buyers should ensure they purchase from a trusted source to avoid counterfeit products and be prepared for potential long-term wear.

### **Recommendation:** **Buy this gasket if:**

- You need a reliable, long-lasting seal for your Ski-Doo MX 600 s tailpipe.

- You re experiencing exhaust leaks, rattling, or reduced performance.

- You prioritize quality over the lowest price and want to avoid frequent replacements.

**Avoid or reconsider if:**

- You re on a tight budget and can find a similarly rated gasket at a significantly lower price (though quality may suffer).

- You suspect the seller is untrusted, as counterfeit parts can cause more harm than good.

- You re uncomfortable with basic mechanical work and don t have access to professional help for installation.

**Best Practices:**

- Purchase from **official Ski-Doo dealers, SPI s website, or reputable online retailers** (e.g., Amazon, RockAuto, or specialty ATV parts stores).

- Inspect the gasket upon arrival for defects or damage.

- Follow the manufacturer s torque specifications during installation to prevent damage.

- Consider replacing the gasket as part of a **routine exhaust system inspection**, especially if the bike is used frequently in rough terrain.

For most riders, this gasket is a **solid, cost-effective investment** that enhances reliability and performance.

Details:

2007 - Ski-Doo MX Z 600 Blizzard. Parts without fitment are to be assumed universal and may require vehicle modification. 2004 - 2005 Ski-Doo MX Z 500 Trail. 2009 - 2011 Ski-Doo MX Z 600 TNT.

I need to exchange an item. This is helpful if you are buying multiple items.: Brand: Sports Parts Inc, model Number: 4487-S678815-77.

part #: 4487s67881577 price

  • $34.46

specifications exhaustsnowmobilee:

  • for models: X16, Mx, 600
  • for makes: Ski-doo
  • for years: 2007-2010
  • brand: Sports Parts Inc
  • mpn: 4487-s678815-77

seller exhaustsnowmobilee:

  • rating: 99.9%
  • city: Boise, ID
  • # reviews: 77508

general exhaustsnowmobilee:

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

payments exhaustsnowmobilee:

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offer exhaustsnowmobilee:

  • quantity: 9
  • sold: 0
  • availability: In Stock
  • started: February 12, 2026
  • options: Ship-to-home

shipping exhaustsnowmobilee:

  • cost: $0.00
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  • service: Standard
  • type: Fixed
  • class: Standard

returns exhaustsnowmobilee:

  • time: 30 Days
  • paid by: Seller
  • policy: Returns Accepted
for models: x16, mx, 600, for makes: ski-doo, for years: 2007-2010,
category: snowmobile parts > exhaust, sku: 9588771043001891,
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