fits model: Wr400, Rm-135, Yz, 400. make: Yamaha. year: 1998–2002.

( Brand: Fmf Racing ), ( Manufacturer Part Number: 044002 ), ( Part Type: Pipe Exhaust )
The FMF Racing 044002 Exhaust Pipe is a high-performance exhaust system designed specifically for the 1998-2002 Yamaha YZ400, WR400, and RM-Z400 models. This exhaust pipe, part number 044002, is manufactured by FMF Racing, a renowned name in the world of motocross and off-road racing.
The FMF Racing 044002 Exhaust Pipe is crafted from high-quality, lightweight 409 stainless steel. This material not only ensures durability but also reduces weight, which can significantly improve your bike's performance by reducing its overall weight and improving its power-to-weight ratio.
This exhaust pipe features a 4.5-inch diameter with a 16-inch long exhaust collector. The collector design is designed to maximize scavenging and flow, which can help improve engine performance by reducing backpressure and improving exhaust gas flow.
The FMF Racing 044002 Exhaust Pipe also comes with a removable baffle. This feature allows you to customize the sound of your exhaust system to suit your personal preference. You can choose to run the baffle for a quieter sound or remove it for a louder, more aggressive sound.
The exhaust pipe is also equipped with a 4-2-1 header design. This design helps in improving engine breathing and combustion, which can result in increased horsepower and torque. The header is also polished for a sleek and stylish look.
The FMF Racing 044002 Exhaust Pipe is a direct fit and does not require any modifications to your bike's existing exhaust system. It also comes with all necessary hardware for installation, making the installation process easy and straightforward.
In conclusion, the FMF Racing 044002 Exhaust Pipe is a high-quality, performance-enhancing exhaust system for your 1998-2002 Yamaha YZ400, WR400, or RM-Z400. Its lightweight stainless steel construction, large diameter, and removable baffle make it an excellent choice for those looking to improve their bike's performance and sound.
Pros of buying a FMF Racing 044002 98-02 Yamaha YZ 400/WR400 exhaust pipe (RM-135):1. Improved performance: The exhaust system is designed to increase power and torque, providing better acceleration and throttle response.
2. High-quality materials: FMF Racing uses high-grade titanium and stainless steel for durability and resistance to corrosion.
3. Lightweight: The exhaust system is significantly lighter than the stock system, reducing weight and improving handling.
4. Customizable: The exhaust system can be easily modified to meet specific performance needs or preferences, such as tuning for different fuel mixtures or muffler options.
Cons of buying a FMF Racing 044002 98-02 Yamaha YZ 400/WR400 exhaust pipe (RM-135):1. Higher cost: Compared to the stock exhaust system, the FMF Racing system is more expensive, which may be a barrier for some buyers.
2. Loud noise level: The exhaust system may produce a louder sound than the stock system, which may be a concern for riders who prefer a quieter riding experience or for those in noise-sensitive areas.
3. Requires additional modifications: To install the FMF Racing exhaust system, additional modifications may be required, such as adjusting the engine mapping or exhaust valves.
4. Potential for increased emissions: The exhaust system may increase emissions, which may not meet certain environmental regulations or emissions standards.
Conclusion: The FMF Racing 044002 98-02 Yamaha YZ 400/WR400 exhaust pipe (RM-135) is a high-quality, performance-enhancing upgrade for the Yamaha YZ 400 and WR400 models. While it comes with a higher cost and potential noise level, the improved performance and customization options make it a popular choice for many riders looking to upgrade their exhaust system. However, it's important to consider the potential for increased emissions and any additional modifications required before making a purchase.
Recommendation: If you are looking for a performance upgrade for your Yamaha YZ 400 or WR400 and are willing to invest in a high-quality exhaust system, the FMF Racing 044002 98-02 exhaust pipe (RM-135) is a solid choice. Make sure to research any additional modifications required and consider the potential impact on emissions before making a purchase.
1310 W KARCHER RD. 98-02 YAMAHA YZ400/426 WR400.