1. Exhaust Snowmobile Parts For Sale
  2. sku: 10090502367052602
  3. SPORTS INC 3923-S659687-53

SPORTS PARTS INC 3923-S659687-53 Spi Pipe Exhaust Seal

fits year: 2005–2006.

3923-s659687-53 Sports Parts Inc Spi Y-pipe To Pipe Exhaust Seal-i.d.-67.3mm-o.d.-85mm-height-17mm For 2005-2006

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 3923-S659687-53 ), ( Part Type: Pipe Seal Exhaust )

Review SPORTS PARTS INC Spi Y pipe To Exhaust Seal-i.d.-67.3mm-o.d.-85mm- Height 17mm fits 2005–2006

The **SPI Y-Pipe Exhaust Seal (Part Number: 3923-S659687-53)** is a precision-engineered, high-performance exhaust component meticulously designed to enhance the efficiency, durability, and sound of your 2005 2006 vehicle s exhaust system. Crafted from premium, heat-resistant materials, this Y-pipe seal is built to withstand the extreme temperatures and pressures generated by high-performance engines, ensuring a secure and leak-free connection between the catalytic converter and the downstream exhaust components. With an **internal diameter (I.D.) of 67.3mm** and an **external diameter (O.D.) of 85mm**, this seal is engineered to fit snugly within the exhaust manifold s Y-pipe junction, providing an optimal seal that minimizes exhaust gas leakage while maximizing flow efficiency. The **17mm height** of the seal ensures proper alignment and compression, reducing the risk of rattling or loosening over time, even under aggressive driving conditions or after modifications such as turbocharging or forced induction upgrades.

Beyond its functional benefits, this SPI exhaust seal is designed with performance in mind, helping to maintain optimal exhaust backpressure and improve engine breathing. Its robust construction also contributes to a cleaner, more refined exhaust note by preventing unwanted air leaks that can cause a hissing or rattling sound. Whether you re running stock performance, a mild turbo setup, or a high-flow exhaust system, this seal serves as a critical link in maintaining exhaust integrity, reducing the risk of costly failures, and preserving the longevity of your vehicle s catalytic converter and muffler assembly. Built to meet or exceed OEM standards, the SPI Y-Pipe Exhaust Seal is a reliable choice for enthusiasts seeking both performance and durability in their exhaust modifications.

### **Pros and Cons of buying a Y-Pipe Exhaust Seal (Part Number: 3923-S659687-53, SPI, ID: 67.3mm, OD: 85mm, Height: 17mm) for a 2005-2006 Vehicle**

#### **Pros:**

1. **OEM Fitment** This part is designed as an original equipment replacement, meaning it should fit your vehicle s exhaust system without requiring modifications. It is manufactured by SPI, a reputable supplier known for producing high-quality aftermarket exhaust components.

2. **Durability** The material and construction of this seal are likely designed to withstand high temperatures and vibrations common in exhaust systems. A well-made seal reduces the risk of leaks, which can improve engine performance and longevity.

3. **Prevents Exhaust Leaks** A failing or missing Y-pipe seal can cause exhaust gases to escape into the engine bay, leading to reduced performance, increased emissions, and potential damage to surrounding components. Replacing it ensures a proper seal, maintaining system efficiency.

4. **Compatibility with Common Modifications** If your vehicle has aftermarket exhaust components (e.g., headers, downpipes, or cat-back systems), this seal may be compatible with those setups, provided the dimensions align with your specific installation.

5. **Easy Installation** As a direct replacement, this seal should be straightforward to install, especially if you have basic mechanical skills. It typically requires only a few tools and minimal disassembly.

6. **Cost-Effective Solution** Replacing a failed seal is often cheaper than repairing damage caused by leaks (e.g., warped exhaust manifolds or damaged gaskets). This part is a targeted fix rather than a broader overhaul.

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#### **Cons:**

1. **Potential Mismatch with Aftermarket Systems** While this seal is designed for OEM fitment, aftermarket exhaust modifications (e.g., headers with different flange sizes or custom piping) may require a different seal. Always verify compatibility with your specific setup before purchasing.

2. **Quality Variability** Even from a reputable brand like SPI, the quality of aftermarket parts can vary. Some users report premature failure due to inferior materials or poor manufacturing. Checking reviews or sourcing from trusted dealers can mitigate this risk.

3. **Limited Longevity in Aggressive Driving** If you frequently engage in high-performance driving (e.g., drag racing, aggressive acceleration), the seal may wear out faster than expected. Extreme heat and stress can degrade even high-quality seals over time.

4. **Installation Challenges** If your vehicle s exhaust system is heavily rusted, corroded, or misaligned, installing the seal may require additional effort (e.g., cleaning flanges, replacing damaged bolts). This could add time and cost to the project.

5. **No Warranty on Some Retailers** Depending on where you purchase the part, it may not come with a warranty. Always confirm the return or replacement policy before buying, especially if you re unsure about the part s condition upon arrival.

6. **Risk of Over-Tightening** Exhaust flanges can warp if bolts are overtightened during installation. This can lead to leaks or difficulty removing the seal later. Follow manufacturer torque specifications to avoid damage.

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### **Conclusion:**

This Y-pipe exhaust seal is a **reliable OEM replacement** for a 2005-2006 vehicle, provided it matches your exhaust system s specifications. It addresses a common failure point that can cause performance issues and emissions problems. The pros such as durability, ease of installation, and compatibility with stock systems outweigh the cons for most drivers, especially those who prioritize functionality and cost-effectiveness.

However, if you ve modified your exhaust system significantly (e.g., with headers or custom piping), **double-check compatibility** with your specific setup. Additionally, sourcing the part from a trusted supplier (e.g., a reputable auto parts store or direct from SPI) can help ensure quality. For high-performance applications, consider upgrading to a heavier-duty seal or consulting a professional installer.

### **Recommendation:** - **Buy the seal** if:

- Your vehicle has the stock exhaust system or a compatible aftermarket setup.

- You re replacing a known leak or damaged seal.

- You re comfortable with basic exhaust repairs.

- **Consider alternatives** if:

- Your exhaust system has been heavily modified (e.g., custom headers or downpipes).

- You suspect the seal may not fit due to unusual flange sizes.

- You re unsure about installation hire a professional to ensure proper sealing and torque.

For the best results, pair this seal with a thorough inspection of the surrounding exhaust components (e.g., gaskets, bolts, and flanges) to prevent future issues. If possible, use a high-temperature thread locker on bolts to prevent loosening over time.

Details:

Parts without fitment are to be assumed universal and may require vehicle modification. 2005 - Arctic Cat King 900 EFI Early Build.: Brand: Sports Parts Inc, model Number: 3923-S659687-53. 2005 - Arctic Cat M7 EFI LE.

This is helpful if you are buying multiple items. SPI Y-Pipe to Pipe Exhaust Seal-I.D.-67.3mm-O.D.-85mm- height 17mm for 2005 2006 Arctic Cat M7 EFI 162 Snowmobile: Y-pipe exhaust seal. I need to exchange an item.

part #: 3923s65968753 price

  • $20.58

specifications exhaustsnowmobilee:

  • for years: 2005-2006
  • brand: Sports Parts Inc
  • mpn: 3923-s659687-53
  • part type: Pipe Seal Exhaust

shipping exhaustsnowmobilee:

  • transit: 3-7 Days
  • class: Standard
  • type: Fixed
  • service: Standard
  • cost: $0.00

offer exhaustsnowmobilee:

  • quantity: 9
  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • started: May 4, 2026

seller exhaustsnowmobilee:

  • rating: 99.9%
  • # reviews: 84465
  • city: San Marcos, CA

payments exhaustsnowmobilee:

  • wallet: Apple-pay
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  • credit card: Visa

general exhaustsnowmobilee:

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

returns exhaustsnowmobilee:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller
for years: 2005-2006, part type: pipe seal exhaust,
category: snowmobile parts > exhaust, sku: 10090502367052602,
Sports Parts Inc 3923-S659687-53 Is Similar To:
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1 offer $20.58 USD
  • New. Offer #1 priced at $20.58 + $0.00 shipping estimate = $20.58* total. 2006 - 2006 Arctic Cat Crossfire 700 EFI Early Build. Y-pipe to pipe exhaust seal.FREE SHIPPING

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