fits model: Crf250r, Ss. make: Honda. year: 2011–2013.

( Brand: Yoshimura ), ( Manufacturer Part Number: 196610 ), ( Type: Exhaust Systems )
The Yoshimura RS4 Exhaust for the Honda CRF250R, model years 2011-2013 (part number 228400d321), is a high-performance aftermarket exhaust system that is designed to enhance the power and sound of your motorcycle. This exhaust system is manufactured by Yoshimura, a renowned name in the world of motorcycle performance parts, known for their quality, durability, and performance-boosting capabilities.
The RS4 exhaust system is made of carbon fiber, which is lightweight yet strong, reducing the overall weight of your bike without compromising on strength. The carbon fiber construction also gives the exhaust a sleek, modern look that is sure to turn heads. The system comes with a 4-2-1 design, which is known for its ability to improve engine performance by reducing back pressure and increasing exhaust gas velocity.
The RS4 system features a 4-into-1 header, which is a single pipe that collects exhaust gases from all four cylinders. This design allows for better scavenging, which means that exhaust gases are expelled more efficiently, resulting in improved engine performance. The header is also made of high-quality stainless steel, which is resistant to corrosion and heat damage.
The RS4 exhaust system also comes with a high-flow muffler, which is designed to reduce noise while still allowing the engine to breathe freely. The muffler is wrapped in a heat shield, which helps to protect the rider's legs from heat and also reduces engine noise.
The RS4 exhaust system is easy to install, with all necessary hardware included in the kit. The system is also compatible with the stock O2 sensor, which means that it is emissions-legal in most areas.
In summary, the Yoshimura RS4 Exhaust for the Honda CRF250R, model years 2011-2013 (part number 228400d321), is a high-quality, high-performance aftermarket exhaust system that is designed to enhance the power and sound of your motorcycle. Its carbon fiber construction, 4-2-1 design, and high-flow muffler make it an excellent choice for any serious off-road enthusiast.
Pros of buying a Yoshimura RS4 Exhaust for the Honda CRF250R (2011-2013):1. Performance Enhancement: The Yoshimura RS4 exhaust system is designed to increase engine performance by reducing backpressure and improving exhaust gas flow. This can result in improved horsepower, torque, and acceleration.
2. Sound: The RS4 exhaust system is known for its distinctive sound, which is often preferred by many riders for its deep, powerful tone.
3. Durability: Yoshimura is a well-known and respected brand in the motorcycle industry, and their products are known for their durability and quality. The RS4 exhaust system is made from high-quality materials and is designed to withstand the rigors of off-road riding.
4. Weight Reduction: The RS4 exhaust system is lighter than the stock exhaust, which can help improve the bike's overall handling and maneuverability.
Cons of buying a Yoshimura RS4 Exhaust for the Honda CRF250R (2011-2013):1. Cost: The Yoshimura RS4 exhaust system is not cheap, and the price can be a significant deterrent for some riders.
2. Noise Regulations: Depending on your location, the RS4 exhaust system may not meet noise regulations, and you may need to install a noise suppressor or a baffle to comply with local laws.
3. Installation: Installation of the RS4 exhaust system can be complex and may require professional help. It may also require modifications to the bike's exhaust system or engine mapping to ensure optimal performance.
4. Maintenance: The RS4 exhaust system may require more frequent maintenance than the stock exhaust system, including regular cleaning and inspection to prevent build-up of debris or damage to the system.
Conclusion:The Yoshimura RS4 exhaust system is a popular choice for Honda CRF250R riders looking to improve their bike's performance and sound. While the cost and installation can be a deterrent, the performance gains and distinctive sound can be worth it for many riders. However, it is important to consider the potential noise regulations in your area and the maintenance requirements before making a purchase.
Recommendation:If you are looking to improve the performance and sound of your Honda CRF250R, the Yoshimura RS4 exhaust system is a solid choice. However, make sure to do your research and consider the costs and maintenance requirements before making a purchase. It may be worth consulting with a professional mechanic or dealer to ensure that the system will meet your needs and comply with any local regulations.
File picture used full exhaust system aluminum wrapped muffler carbon fiber end cap stainless steel header pipe signature series our new tech line number is 4495our.