STRAIGHTLINE PERFORMANCE 1190-S474221-20 Pipe Xtreme Ski Doo

( Brand: Straightline Performance ), ( Manufacturer Part Number: 1190-S474221-20 ), ( Part Type: Pipe )

Review STRAIGHTLINE PERFORMANCE Y pipe Ski doo Xtreme E tec fits EXPEDITION 850 2020–2022

The **Straightline Performance 1190-S474221-20 Y-Pipe** is a meticulously engineered aftermarket exhaust system designed specifically for the **2020 2022 Ski-Doo Expedition XTREME E-TEC 850**, delivering a perfect blend of performance, durability, and compliance with modern emissions standards. Crafted from high-grade **4130 chromoly steel**, this Y-pipe is built to withstand the rigorous demands of off-road adventures, ensuring long-lasting reliability even under the most extreme conditions. The **smooth, polished finish** not only enhances the aesthetic appeal of your Ski-Doo but also prevents corrosion, a critical concern for vehicles frequently exposed to moisture, salt, and rough terrain. Unlike generic aftermarket parts, this Y-pipe is **OEM-inspired**, meaning it maintains the factory s intended flow dynamics while optimizing exhaust efficiency, resulting in improved throttle response and a more engaging ride.

One of the standout features of the **1190-S474221-20** is its **precision-engineered design**, which includes a **dual-outlet configuration** that balances exhaust flow between the two cylinders, reducing backpressure and maximizing power output. The **heat-treated components** ensure structural integrity, while the **seamless welding** eliminates weak points that could lead to leaks or failures over time. This Y-pipe is also **fully compatible** with the Ski-Doo s E-TEC electric assist system, meaning it won t interfere with the vehicle s hybrid functionality or require any modifications to the electrical or fuel delivery systems. Whether you re tackling deep snow, rough trails, or aggressive off-road terrain, this exhaust component is engineered to perform consistently, delivering both **raw power and refined efficiency**.

For enthusiasts who demand more than just stock performance, the **Straightline Performance Y-Pipe** offers a subtle yet noticeable upgrade in sound and character, providing a deeper, more resonant exhaust note that enhances the already aggressive tone of the E-TEC 850. The **sleek, low-profile design** ensures it integrates seamlessly with the factory exhaust system, avoiding the bulky, unsightly appearance of some aftermarket alternatives. Additionally, Straightline s reputation for **rigorous quality control** means each Y-pipe undergoes **stress testing and dimensional inspections** to guarantee a perfect fit and flawless operation. Whether you re a weekend warrior or a seasoned off-roader, this exhaust component is a **practical and performance-focused upgrade** that elevates your Ski-Doo s capabilities without compromising on durability or compliance.

### **Pros and Cons of buying a Straightline Performance 1190-S474221-20 Y-Pipe for a 2020-2022 Ski-Doo Expedition XTREME E-TEC 850**

1. **Improved Exhaust Flow and Horsepower** The 1190-S474221-20 is a high-flow aftermarket exhaust designed to enhance engine performance by reducing backpressure. For an E-TEC 850, which is already a high-output engine, this can provide a noticeable increase in horsepower and throttle response, especially when paired with a tune.

2. **Better Sound** Aftermarket exhausts like this one are often louder and more aggressive in tone, which appeals to riders who enjoy a deeper, more resonant exhaust note. The Y-pipe design helps maintain a balanced sound while improving exhaust flow.

3. **Lightweight Construction** Straightline exhausts are known for using high-quality stainless steel and lightweight materials, reducing overall weight compared to OEM exhausts. This can slightly improve handling and acceleration.

4. **Compatibility with Tuning** Since the E-TEC 850 is a tuned platform, this exhaust works well with performance tunes (such as those from **Ski-Doo Performance, PowerSport Dynamics, or custom tuners**), allowing for even greater power gains when paired with a remap.

5. **Durability** Straightline exhausts are built to last, with heat-treated stainless steel and reinforced welds. While not as robust as some OEM systems, they are still designed for high-performance use and should hold up well under normal riding conditions.

6. **Aesthetic Appeal** The aggressive styling of the Straightline exhaust gives the Expedition XTREME a more custom, high-performance look, which may be appealing to riders who want a standout appearance.

7. **Easier Installation** Compared to some other aftermarket exhausts, the Straightline 1190-S474221-20 is designed for relative ease of installation, though some basic mechanical skills and tools will still be required.

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1. **Noise Levels** While some riders enjoy a louder exhaust, others may find the noise level excessive, especially in residential or quiet areas. Ski-Doo s stock exhaust is already loud, and this aftermarket unit will make it even louder, potentially leading to complaints from neighbors or legal issues in noise-restricted areas.

2. **Potential Emissions Issues** The E-TEC 850 is equipped with emissions controls, and modifying the exhaust system could affect compliance with local emissions regulations. While the E-TEC is designed for performance tuning, some regions may still require original equipment for emissions testing.

3. **Cost** Aftermarket exhausts like this one are more expensive than OEM parts. The price point ( $800 $1,200 depending on retailer and installation fees) may be a significant investment for riders who are unsure about the performance gains.

4. **Weight Transfer and Handling** While the exhaust is lightweight, the overall weight distribution of the Ski-Doo may shift slightly, particularly if other performance modifications (such as a heavier clutch or suspension changes) are made. This could marginally affect handling, though the impact is usually minimal.

5. **Warranty Concerns** Ski-Doo s factory warranty may not cover aftermarket exhaust modifications. If the exhaust fails prematurely, the rider would be responsible for repairs, which could be costly.

6. **Potential for Leaks or Rust** Even high-quality aftermarket exhausts can develop leaks or rust over time, especially in harsh conditions (salt, mud, or extreme temperatures). Proper maintenance and regular inspections are necessary to prevent issues.

7. **Not a Guaranteed Power Gain** While the exhaust is designed to improve flow, the actual power increase depends on other factors, such as the condition of the engine, air filter, and whether the bike is tuned. Without a tune, the gains may be modest.

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The **Straightline Performance 1190-S474221-20 Y-Pipe** is a solid aftermarket exhaust for the **2020-2022 Ski-Doo Expedition XTREME E-TEC 850**, offering noticeable improvements in exhaust flow, horsepower, and sound. It is particularly well-suited for riders who are already tuning their bike or plan to do so in the future. However, the trade-offs primarily increased noise, potential emissions concerns, and cost must be carefully considered.

If **performance, sound, and aesthetics** are the top priorities and the rider is comfortable with the noise and potential warranty voids, this exhaust is a worthwhile upgrade. Conversely, if **quiet operation, emissions compliance, or cost efficiency** are more important, sticking with the OEM exhaust or opting for a quieter aftermarket alternative may be preferable.

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- You are already tuning your E-TEC 850 or plan to do so.

- You enjoy a louder, more aggressive exhaust sound.

- You prioritize performance gains and are willing to accept the noise and potential emissions risks.

- You are comfortable with installation and maintenance.

- You ride in noise-restricted areas or value a quieter exhaust.

- You are not planning to tune the bike and expect minimal power gains.

- You are concerned about warranty voids or emissions compliance.

- You prefer a more budget-friendly solution and are satisfied with the stock exhaust.

- If noise is a concern, look for a **quieter aftermarket exhaust** (e.g., some **Ski-Doo Performance or PowerSport Dynamics options**).

- If emissions compliance is critical, verify local regulations before installing.

- If tuning is not in the plans, the power gains may not justify the cost.

For the **Expedition XTREME E-TEC 850**, this exhaust is one of the better high-flow options available, but it is best suited for performance-oriented riders who are prepared for the trade-offs.

Details:

Straightline Y-Pipe for 2020 - 2022 Ski-Doo Expedition Xtreme E-TEC 850: Are a direct bolt-on. Increase of 2-10 horsepower depending on Y-pipe application. This is helpful if you are buying multiple items. I need to exchange an item.

No jetting modifications needed with just a Y-pipe. Available in ceramic or black high-temperature paint.: Brand: Straightline Performance, model Number: 1190-S474221-20. Parts without fitment are to be assumed universal and may require vehicle modification.

2020 - 2022 Ski-Doo Back country X-RS E-TEC 850 154.

part #: 1190s47422120 price

• $254.65

specifications exhaustsnowmobilee:

• for models: 850, Expedition
• for makes: Ski-doo
• for years: 2020-2022
• brand: Straightline Performance
• mpn: 1190-s474221-20
• part type: Pipe

offer exhaustsnowmobilee:

• quantity: 2
• started: April 14, 2026
• options: Ship-to-home
• availability: In Stock
• sold: 0

seller exhaustsnowmobilee:

• # reviews: 82926
• city: Boise, ID
• rating: 99.9%

general exhaustsnowmobilee:

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

payments exhaustsnowmobilee:

• other
• wallet: Google-pay
• credit card: Visa

shipping exhaustsnowmobilee:

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

returns exhaustsnowmobilee:

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

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