fits model: Yz450f, Wr450f. make: Yamaha. year: 2018–2022.

( Brand: Yoshimura ), ( Manufacturer Part Number: 234832D320 ), ( Part Type: Slip Exhaust ), ( Mounting Style: Slip-on ), ( Manufacturer Warranty: No Warranty ), ( Placement On Vehicle: Exhaust )
The Yoshimura RS-4 Slip-On Exhaust for Yamaha YZ450F (2018-2022) and WR450F (19-2022) is a high-performance aftermarket exhaust system designed to enhance the power and sound of your bike. This slip-on exhaust system replaces your stock exhaust system and is specifically engineered for these Yamaha models.
The RS-4 Slip-On Exhaust features a 4-2-1 design with a high-quality stainless steel construction. It comes with a 4-inch diameter header that transitions to a 2-inch diameter midpipe, and then to a 4-inch diameter muffler. This design helps to reduce back pressure and increase exhaust flow, which in turn can improve engine performance.
The muffler of the RS-4 Slip-On Exhaust is a compact, tapered design that not only looks great but also helps to reduce weight. It features a removable baffle, which allows you to adjust the exhaust sound to your preference. With the baffle installed, the exhaust has a more muted sound, while removing the baffle will give you a more aggressive exhaust note.
The RS-4 Slip-On Exhaust also comes with a high-quality, stainless steel heat shield. This shield helps to protect your legs and other parts of your bike from the extreme heat generated by the exhaust system. The heat shield is designed to fit securely around the exhaust system and is easy to install.
Installing the Yoshimura RS-4 Slip-On Exhaust is a straightforward process. It comes with all necessary hardware and instructions for installation. The kit includes a new O2 sensor bung, which replaces the stock sensor and allows the bike to correctly read oxygen levels.
In summary, the Yoshimura RS-4 Slip-On Exhaust is a high-quality, performance-enhancing exhaust system for Yamaha YZ450F and WR450F models. Its 4-2-1 design, high-quality stainless steel construction, and compact muffler with removable baffle help to improve engine performance and reduce back pressure. The included heat shield also helps to protect your legs and other parts of your bike from extreme heat. With its easy installation and adjustable sound, this exhaust system is a great choice for racers and enthusiasts looking to take their Yamaha to the next level.
Pros of buying Yoshimura 234832d320 RS-4 Slip Exhaust for Yamaha YZ450F 2018-2022 and WR450F 19-2022:1. Performance Enhancement: The RS-4 Slip Exhaust system is designed to improve engine performance. It provides better exhaust flow, which can lead to increased horsepower and torque.
2. Lightweight: Compared to stock exhaust systems, the RS-4 Slip Exhaust is lighter. This can result in improved handling and acceleration.
3. Aesthetics: The RS-4 Slip Exhaust has a sleek and stylish design. It can give your Yamaha YZ450F or WR450F a more aggressive look.
4. Durability: Yoshimura is known for its high-quality products. The RS-4 Slip Exhaust is made from durable materials and is built to last.
Cons of buying Yoshimura 234832d320 RS-4 Slip Exhaust for Yamaha YZ450F 2018-2022 and WR450F 19-2022:1. Cost: The RS-4 Slip Exhaust is not cheap. It can be a significant investment, especially if you're on a tight budget.
2. Noise Level: Slip-on exhausts like the RS-4 can be louder than stock exhaust systems. This may not be a problem if you enjoy the sound, but it could be an issue if you live in an area with noise regulations.
3. Requires Tuning: To get the most out of the RS-4 Slip Exhaust, you may need to tune your engine. This can add to the cost and complexity of the installation.
Conclusion:The Yoshimura 234832d320 RS-4 Slip Exhaust is a high-quality product that can improve the performance and aesthetics of your Yamaha YZ450F or WR450F. However, it is also expensive and may require additional tuning. If you're willing to make the investment and deal with the noise level, the RS-4 Slip Exhaust could be a great upgrade for your bike.
Recommendation:If you're serious about improving the performance of your Yamaha YZ450F or WR450F and are willing to invest in a high-quality exhaust system, the Yoshimura 234832d320 RS-4 Slip Exhaust is a solid choice. Just be sure to factor in the cost of tuning and any noise regulations in your area.
Comes as pictured. Fits 2019 2022 WR450F. Fast shipping. Removed from 2020 YZ450F.
Fits 2018 2022 YZ450F. Yoshimura RS-4 Slip On Exhaust 234832D320 Yamaha YZ450F 2018 2022 WR450F 19-2022 #4124.