1. Exhaust Snowmobile Parts For Sale
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  3. SPORTS INC 5744-S681329-74

SPORTS PARTS INC 5744-S681329-74 Spi Tailpipe Ski Doo GASKET-51 1/2 I.D.X64 O.D.X16 1/5

fits model: X16, Mx, Tnt. make: Ski-doo. year: 2011–2017.

5744-s681329-74 Sports Parts Inc Spi Tailpipe Gasket-51 1/2 I.d.x64 O.d.x16 1/5 H For 2011-2017 Ski-doo Mx Z Tnt

( Brand: Sports Parts Inc ), ( Manufacturer Part Number: 5744-S681329-74 )

Review SPORTS PARTS INC Spi Tailpipe 1/2.d.x64.d.x16 1/5for Ski doo fits X16 MX TNT 2011–2017

The **SPI Tailpipe Gasket (Part #5744-S681329-74)** is a precision-engineered aftermarket component designed exclusively for the **2011 2017 Ski-Doo MX/TNT** snowmobile models, ensuring a seamless and leak-proof connection between the exhaust system and the engine s tailpipe assembly. Crafted from high-grade **spiral-wound silicone rubber**, this gasket features a **51 -inch inner diameter (I.D.)** and a **64-inch outer diameter (O.D.)**, with a **16-inch width**, allowing for an optimal seal that accommodates the specific exhaust dimensions of the Ski-Doo s high-performance engine. The **1/5-inch thickness** strikes the perfect balance between durability and flexibility, preventing oil and coolant leaks while maintaining a tight, vibration-resistant fit even under the demanding conditions of off-road riding. Engineered to withstand extreme temperatures ranging from sub-zero Arctic blasts to the intense heat generated by the snowmobile s turbocharged or supercharged engine this gasket is built to endure prolonged use without degrading, ensuring reliability season after season. Its **universal compatibility** with the specified Ski-Doo models makes it an ideal upgrade for both stock and modified exhaust systems, reducing the risk of exhaust gas leaks that could compromise engine efficiency or pose safety hazards. Whether you're tackling deep powder, cruising on groomed trails, or pushing the limits in competitive racing, this **SPI gasket** delivers the tight, long-lasting seal your Ski-Doo deserves, helping to maintain optimal exhaust flow and engine performance.

### **Pros and Cons of buying a Sports 5744-S681329-74 SPI Tailpipe Gasket (51 " ID x 64" OD x 16/5") for 2011 2017 Ski-Doo MX TNT**

#### **Pros:**

1. **OEM Compatibility** This gasket is designed specifically for the 2011 2017 Ski-Doo MX TNT, ensuring a proper fit without modifications. It matches the engine s exhaust system dimensions, reducing the risk of leaks or improper sealing.

2. **High-Quality Material** The SPI (Specialty Performance Industries) brand is known for durable, heat-resistant materials that can withstand the high temperatures and pressures generated by the Ski-Doo s exhaust system. This helps prevent premature failure and maintains engine efficiency.

3. **Easy Installation** The gasket is pre-cut to fit the tailpipe assembly, simplifying the replacement process. Most mechanics or experienced DIYers can install it in under an hour with basic tools, reducing labor costs.

4. **Prevents Exhaust Leaks** A failing tailpipe gasket can cause exhaust gases to leak into the engine bay, leading to reduced performance, increased emissions, and potential damage to surrounding components. Replacing it ensures a tight seal and optimal exhaust flow.

5. **Cost-Effective Solution** Compared to labor-intensive repairs (e.g., replacing a damaged exhaust manifold or header), this gasket is a relatively inexpensive fix. It avoids more extensive and costly repairs that could arise from neglecting a failing gasket.

6. **Improves Engine Reliability** A properly sealed gasket helps maintain proper backpressure, which is crucial for engine performance and longevity. It prevents contaminants from entering the exhaust system and keeps the engine running smoothly.

7. **Widely Available** As an OEM or aftermarket part, it is readily available from Ski-Doo dealers, online retailers (e.g., Amazon, RockAuto, Ski-Doo specialty shops), and performance parts stores. This ensures easy access for replacement.

8. **Minimal Downtime** Since the gasket is a straightforward component, replacing it requires minimal downtime for the vehicle. This is ideal for riders who want to keep their Ski-Doo in top condition without extended off-season repairs.

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#### **Cons:**

1. **Potential for Counterfeit Parts** Some aftermarket parts, including gaskets, may be counterfeit or low-quality replicas. Buying from untrusted sellers could result in a poorly fitted or quickly failing gasket. Always purchase from reputable dealers or verified online retailers.

2. **Requires Basic Mechanical Knowledge** While the installation is relatively simple, it does require some familiarity with exhaust systems and basic hand tools. Those without mechanical experience may struggle with tasks like removing the tailpipe or ensuring a proper seal.

3. **Cost Relative to Other Repairs** While affordable, the gasket itself is not the most expensive part of a Ski-Doo s exhaust system. If the underlying issue (e.g., a cracked manifold or damaged flange) is not addressed, the problem may recur, leading to additional costs.

4. **Wear and Tear Over Time** Even high-quality gaskets degrade with age and exposure to extreme temperatures. In high-mileage or heavily used Ski-Doos, the gasket may need replacement more frequently, requiring periodic maintenance.

5. **Risk of Improper Installation** If not installed correctly (e.g., not using the proper torque specifications or failing to clean the mating surfaces), the gasket may leak or fail prematurely. This underscores the importance of following the manufacturer s guidelines or consulting a professional.

6. **Limited Lifespan in Harsh Conditions** In extreme environments (e.g., saltwater exposure, extreme heat, or frequent off-road use), the gasket may wear out faster than expected. Riders in such conditions should monitor its condition more closely.

7. **Part Availability Over Time** While currently available, parts availability can fluctuate due to manufacturer changes or discontinuations. It s wise to purchase extra gaskets if storing the Ski-Doo for an extended period.

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### **Conclusion:**

The **Sports 5744-S681329-74 SPI tailpipe gasket** is a reliable and cost-effective solution for maintaining the exhaust system of a 2011 2017 Ski-Doo MX TNT. Its OEM compatibility, durability, and ease of installation make it a practical choice for riders looking to prevent leaks, improve performance, and avoid more costly repairs. However, potential buyers should ensure they purchase from a trusted source to avoid counterfeit parts and follow proper installation procedures to maximize its lifespan.

For most riders, the benefits of using this gasket such as improved engine reliability, reduced emissions, and straightforward maintenance outweigh the minor drawbacks. It is a **highly recommended** part for routine maintenance or as part of a larger exhaust system overhaul.

**Final Recommendation:**

- **Buy from a reputable dealer** (e.g., official Ski-Doo parts distributors, trusted online retailers like RockAuto or Amazon).

- **Inspect the gasket and mating surfaces** before installation to ensure a clean, unobstructed fit.

- **Follow the manufacturer s torque specifications** to avoid overtightening or under-tightening.

- **Consider replacing it as part of a regular maintenance schedule**, especially if the Ski-Doo is used frequently or in harsh conditions.

- **If unsure about installation**, consult a Ski-Doo-certified mechanic to ensure proper fitment and sealing.

This gasket is a **smart investment** for maintaining the health and performance of your Ski-Doo MX TNT.

Details:

2017 - Ski-Doo Grand Touring SE 4-TEC 1200.: Brand: Sports Parts Inc, model Number: 5744-S681329-74. 2011 - 2017 Ski-Doo Expedition LE E-TEC 600 HO. Parts without fitment are to be assumed universal and may require vehicle modification.

2012 - 2017 Ski-Doo Free ride E-TEC 800R 154. This is helpful if you are buying multiple items. I need to exchange an item.

part #: 5744s68132974 price

  • $34.46

specifications exhaustsnowmobilee:

  • for models: X16, Mx, Tnt
  • for makes: Ski-doo
  • for years: 2011-2017
  • brand: Sports Parts Inc
  • mpn: 5744-s681329-74

shipping exhaustsnowmobilee:

  • cost: $0.00
  • type: Fixed
  • service: Standard
  • transit: 2-7 Days
  • class: Standard

offer exhaustsnowmobilee:

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

general exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

  • city: Boise, ID
  • # reviews: 77491
  • rating: 99.9%

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returns exhaustsnowmobilee:

  • policy: Returns Accepted
  • time: 30 Days
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for models: x16, mx, tnt, for makes: ski-doo, for years: 2011-2017,
category: snowmobile parts > exhaust, sku: 9583877943001891,
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