SPEEDWERX 6839-S449519-89 Muffler MM8 165

( Brand: Speedwerx ), ( Manufacturer Part Number: 6839-S449519-89 ), ( Part Type: Muffler )

Review SPEEDWERX Lightweight Muffler Yamahamm Max Le 165 fits MOUNTAIN STD 2021–2022

Speedwerx Standard Muffler for 2021-2022 Yamaha MM8 Mountain LE 165 - 6839-S449519-89

The Speedwerx 6839-S449519-89 Standard Muffler is a premium aftermarket exhaust solution specifically designed for the 2021-2022 Yamaha MM8 Mountain LE 165. This muffler is engineered to enhance the performance of your ATV while maintaining a balanced sound profile.

Crafted from high-quality materials, this Speedwerx muffler boasts a durable construction that withstands the rigors of off-road riding. It features a unique design that not only improves the power delivery and throttle response of your ATV but also gives it a distinctive, aggressive look.

The Speedwerx Standard Muffler for Yamaha MM8 Mountain LE 165 is a direct fit, ensuring a straightforward installation process. It is designed to replace the original equipment manufacturer (OEM) muffler, making it a perfect choice for those seeking to upgrade their ATV's exhaust system.

This muffler is more than just an aesthetic upgrade. It offers enhanced power and performance, providing a more thrilling riding experience. The improved exhaust flow reduces back pressure, allowing your engine to breathe more efficiently and produce more power.

In conclusion, the Speedwerx 6839-S449519-89 Standard Muffler is an excellent choice for any Yamaha MM8 Mountain LE 165 owner looking to boost their ATV's performance and give it a unique, aggressive look. With its durable construction, easy installation, and performance enhancements, this muffler is a worthy investment for any off-road enthusiast.

Pros and Cons of Buying Speedwerx Std Muffler for 2021-2022 Yamaha MM8 Mountain LE 165

1. Enhanced Performance: The Speedwerx Std Muffler could potentially improve the performance of your Yamaha MM8 Mountain LE 165, as it is designed to optimize exhaust flow, resulting in increased power and acceleration.

2. Quality Materials: Speedwerx is known for using high-quality materials in their products, which can ensure durability and resistance to corrosion.

3. Sound Enhancement: This muffler may provide a more appealing exhaust note, catering to riders who appreciate the sound aspect of their motorcycle.

1. Potential Noise Levels: The increased performance and altered exhaust note may lead to higher noise levels, which could be a concern for some riders or in areas with noise restrictions.

2. Fit and Compatibility: While designed for the Yamaha MM8 Mountain LE 165, there may be some discrepancies in fit or compatibility with specific models or years. It's essential to verify the muffler is compatible with your specific motorcycle.

3. Cost: Compared to stock mufflers, aftermarket options like the Speedwerx Std Muffler may be more expensive.

The Speedwerx Std Muffler for the 2021-2022 Yamaha MM8 Mountain LE 165 offers potential performance enhancements and a more appealing exhaust note. However, it may also result in higher noise levels and potential fit issues. To ensure a good fit and to assess the impact on noise levels, it's recommended to consult with a professional or do thorough research before purchasing.

If you are looking to enhance the performance of your Yamaha MM8 Mountain LE 165 and are willing to accept potential trade-offs in terms of noise levels and cost, the Speedwerx Std Muffler could be a suitable choice. However, it's essential to verify compatibility with your specific motorcycle model and year. If noise levels are a significant concern, consider discussing your needs with a professional to find the best solution for your riding preferences.

Details:

Made in the USA, SPEEDWERX always has performance on their minds. Speedwerx Std Lightweight Muffler for 2021 2022 Yamaha mm 8 Mountain Max LE 165: Color: Chrome, Material: Steel. 10-17 800 mufflers are 4-6 decibels quieter than OEM 4000 RPM. Parts without fitment are to be assumed universal and may require vehicle modification.

I need to exchange an item. More bark than stock units but to not be too obnoxious.: Brand: Speedwerx, model Number: 6839-S449519-89. Their mufflers will either perform same as or better than the stock system, designed to utilize outlet location and require no major chassis modifications for installation, Ceramic coated most come with installation instructions if needed, Cut anywhere from 3 12 pounds depending on model, reduce weight while keeping sound levels low possible.

In other words, they wont blow you off of your seat, Some model's are even quieter than stock. This is helpful if you are buying multiple items.

part #: 6839s44951989 price

• $465.19

specifications exhaustsnowmobilee:

• for models: Std, Mountain
• for makes: Yamaha
• for years: 2021-2022
• brand: Speedwerx
• mpn: 6839-s449519-89
• part type: Muffler

returns exhaustsnowmobilee:

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

shipping exhaustsnowmobilee:

• transit: 3-6 Days
• type: Fixed
• cost: $0.00
• class: Standard
• service: Standard

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offer exhaustsnowmobilee:

• sold: 0
• quantity: 9
• availability: In Stock
• started: January 3, 2026
• options: Ship-to-home

general exhaustsnowmobilee:

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

seller exhaustsnowmobilee:

• # reviews: 73993
• city: Boise, ID
• rating: 99.8%

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