Description

RS-4 exhaust systems illustrates the endless cycle of development. Working in conjunction with the factory teams has provided us with new ways to increase performance, lower sound levels and centralize mass. The end result is a product that gives you an unparalleled competitive advantage.

The Yoshimura RS-4 Slip-On Exhaust for Honda CRF450X (2019-2024) is engineered to provide exceptional performance enhancements while maintaining sound levels suitable for competitive riding. Developed in collaboration with factory teams, this exhaust system features innovative design elements that optimize power delivery and reduce weight for improved handling. The RS-4’s pentagonal-shaped muffler not only contributes to a sleek aesthetic but also maximizes internal volume for efficient exhaust flow. Its polyresonant duplex front chamber and stepped, two-stage core baffle work together to enhance performance, reduce noise, and improve exhaust tone. This system is also compatible with spark arrestors and sound inserts, making it versatile for various riding conditions and regulations. The construction of the exhaust emphasizes durability and weight savings, offering riders an effective upgrade that delivers an unparalleled competitive advantage. Designed specifically for Honda CRF450X models from 2019 through 2024, this slip-on exhaust ensures a precise fit and reliable performance. Whether you’re racing or trail riding, the Yoshimura RS-4 provides a noticeable increase in power, improved exhaust sound, and a balanced, centralized mass for better handling.

Features:

• Pentagonal-shaped muffler for optimized exhaust flow and aesthetics

• Maximized internal volume to enhance performance and sound quality

• Polyresonant duplex front chamber for improved exhaust tone and efficiency

• Stepped, two-stage core baffle for noise reduction and performance tuning

• Spark Arrestor/Sound Insert Compatible for versatile riding conditions

Fitment:
Honda CRF450X2019
Honda CRF450X2020
Honda CRF450X2021
Honda CRF450X2022
Honda CRF450X2023
Honda CRF450X2024