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.

Enhance your Kawasaki KX250F with the Yoshimura RS-4 slip-on exhaust system, engineered to deliver superior performance, reduced sound levels, and improved handling. Working closely with factory teams, Yoshimura has developed a product that offers an unparalleled competitive edge through continuous innovation and precise craftsmanship. This exhaust system features a pentagonal-shaped muffler, designed to optimize exhaust flow while maintaining a sleek, aggressive look. The maximized internal volume ensures better sound tuning and performance gains, making it an excellent upgrade for serious riders seeking increased power and throttle response.
Constructed with a polyresonant duplex front chamber, the RS-4 system effectively reduces unwanted noise and harmonics, resulting in a quieter ride without sacrificing performance. The stepped, two-stage core baffle enhances exhaust efficiency and provides a balanced tone, suitable for both competitive racing and recreational riding. Additionally, the system is compatible with spark arrestors and sound inserts, allowing riders to customize their exhaust sound and meet local noise regulations. Built with high-quality materials, the Yoshimura RS-4 exhaust slip-on is designed for durability and long-lasting performance, ensuring your bike remains at peak condition under demanding conditions.
This exhaust upgrade is a direct-fit for Kawasaki KX250F models from 2017 to 2020, making installation straightforward without the need for extensive modifications. Lightweight yet robust, the RS-4 system provides a significant performance boost while maintaining a manageable weight that enhances maneuverability and overall bike handling. Whether you’re looking for increased horsepower, a more refined exhaust tone, or a performance-oriented upgrade, the Yoshimura RS-4 slip-on exhaust system offers a premium solution for riders committed to excellence and reliability.

Features:

• Pentagonal-shaped muffler designed for optimal exhaust flow

• Maximized internal volume for improved sound tuning and performance

• Polyresonant duplex front chamber reduces noise and harmonics

• Stepped, two-stage core baffle enhances exhaust efficiency

• Compatible with spark arrestors and sound inserts for customization

Fitment:
Kawasaki KX250F2017
Kawasaki KX250F2018
Kawasaki KX250F2019
Kawasaki KX250F2020