fits model: Yfm, 400, 4x4, Bear. make: Yamaha. year: 2000–2008.

( Manufacturer Part Number: 4S1-E4710-00-00 ), ( Part Type: Exhaust Muffler )
The Yamaha 4S1-E4710-00-00 01 Big Bear YFM 400 4x4 Exhaust Muffler is a high-quality aftermarket part designed specifically for Yamaha YFM 400 4x4 ATV models from 2000 to 2008. This exhaust muffler is a must-have upgrade for any Yamaha enthusiast looking to enhance the performance and aesthetics of their ATV.
The muffler is made of premium stainless steel, which is not only durable but also resistant to rust and corrosion. This means that it will withstand the toughest riding conditions, ensuring reliable performance over time. The stainless steel construction also gives the muffler a sleek, polished appearance, adding a touch of style to your ATV.
The Yamaha Big Bear Exhaust Muffler features a 4-inch diameter, which is larger than the original exhaust system. This increases the exhaust flow, allowing for a more powerful and responsive engine. The larger diameter also reduces back pressure, leading to improved fuel efficiency and reduced engine heat.
The muffler is designed with a straight-through flow design, which allows for maximum exhaust flow and reduced exhaust restriction. This results in a smoother and more powerful exhaust note, adding to the overall driving experience. The muffler also features a removable baffle, allowing you to customize the sound of your ATV to your liking.
The Yamaha Big Bear Exhaust Muffler is easy to install, requiring no modifications to the original exhaust system. It comes with all the necessary hardware, including clamps and bolts, for a hassle-free installation. The muffler is also compatible with most aftermarket exhaust systems, making it a versatile upgrade option.
In conclusion, the Yamaha 4S1-E4710-00-00 01 Big Bear YFM 400 4x4 Exhaust Muffler is a top-quality aftermarket part that offers significant performance improvements and a stylish appearance. Its durable stainless steel construction, larger diameter, and straight-through flow design make it a popular choice among Yamaha YFM 400 4x4 ATV owners. With its easy installation and compatibility with most aftermarket exhaust systems, this muffler is a great upgrade option that will enhance the performance and appearance of your ATV.
Pros of buying Yamaha 4S1-E4710-00-00 01 Big Bear YFM 400 4x4 Exhaust Muffler (2000-2008):1. Improved Performance: This exhaust muffler is designed to enhance the performance of your Yamaha YFM 400 4x4 by reducing backpressure and improving exhaust flow.
2. Durable Construction: Made from high-quality stainless steel, this muffler is built to last and is resistant to corrosion and rust.
3. Easy Installation: The muffler comes with all necessary mounting hardware, making it easy for most DIY enthusiasts to install.
4. Increased Power and Torque: By reducing the restriction in the exhaust system, this muffler can help increase the power and torque of your Yamaha YFM 400 4x4.
Cons of buying Yamaha 4S1-E4710-00-00 01 Big Bear YFM 400 4x4 Exhaust Muffler (2000-2008):1. Noise Level: This muffler may increase the noise level of your Yamaha YFM 400 4x4, especially at high RPMs.
2. Price: Compared to stock mufflers, this aftermarket muffler can be more expensive.
3. Fitment: Some users may find that the muffler does not fit perfectly, requiring some modifications to the exhaust system.
Conclusion: If you're looking to improve the performance of your Yamaha YFM 400 4x4 and are willing to accept a slightly louder exhaust note, the Yamaha 4S1-E4710-00-00 01 Big Bear YFM 400 4x4 Exhaust Muffler (2000-2008) is a good choice. Its durable construction and easy installation make it a popular aftermarket upgrade for many Yamaha YFM 400 4x4 owners. However, before making a purchase, be sure to check that the muffler will fit your specific model year and that you're willing to pay the premium price for the improved performance it offers.
Recommendation: If you're unsure about whether this muffler is right for you, we recommend consulting with a knowledgeable dealer or mechanic who can provide advice based on your specific needs and preferences. They can help you weigh the pros and cons and make an informed decision.
This is a used part that has been cleaned, tested and inspected to ensure quality. Tip has a dent, but is otherwise decent usable muffler, no holes or loose baffles. Combined shipping is available for multiple items.