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 motorcycle’s performance with the Yoshimura RS-4 slip-on exhaust, designed specifically for 2019-2020 KTM and Husqvarna models including the 250 and 350 series. This exhaust system is engineered to deliver increased power output, reduced sound levels, and improved mass centralization for a more responsive riding experience. Crafted with precision, it features a pentagonal-shaped muffler that not only offers a distinctive look but also maximizes internal volume for optimal sound and performance. The polyresonant duplex front chamber and stepped, two-stage core baffle work together to optimize exhaust flow and acoustics, ensuring your bike performs at its best on the track or trail. The RS-4’s modular design allows for compatibility with spark arrestors and sound inserts, providing flexibility to meet local noise regulations while maintaining high-performance standards. Constructed from durable materials, this slip-on system enhances the overall aesthetics of your motorcycle while providing tangible performance gains. Whether you’re racing or riding for leisure, the Yoshimura RS-4 exhaust is an investment in enhanced engine efficiency and a more exhilarating ride. Proper installation is straightforward, and the system is compatible with multiple KTM and Husqvarna models from 2019 and 2020, making it a versatile upgrade for enthusiasts seeking quality and reliability.

Features:

• Pentagonal-shaped muffler designed for optimized sound and aesthetics

• Maximized internal volume for improved exhaust flow and performance

• Polyresonant duplex front chamber enhances sound quality and efficiency

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

• Spark arrestor and sound insert compatibility for versatile riding conditions

Fitment:
Gas-Gas EX 250F2021
Gas-Gas EX 250F2022
Gas-Gas EX 250F2023
Gas-Gas EX 350F2021
Gas-Gas EX 350F2022
Gas-Gas EX 350F2023
Gas-Gas MC 250F2021
Gas-Gas MC 250F2022
Gas-Gas MC 250F2023
Gas-Gas MC 350F2022
Gas-Gas MC 350F2023
Husqvarna FC 2502019
Husqvarna FC 2502020
Husqvarna FC 2502021
Husqvarna FC 2502022
Husqvarna FC 3502019
Husqvarna FC 3502020
Husqvarna FC 3502021
Husqvarna FC 3502022
Husqvarna FX 3502019
Husqvarna FX 3502020
Husqvarna FX 3502021
Husqvarna FX 3502022
KTM 250 SX-F2019
KTM 250 SX-F2020
KTM 250 SX-F2021
KTM 250 SX-F2022
KTM 250 XC-F2019
KTM 250 XC-F2020
KTM 250 XC-F2021
KTM 250 XC-F2022
KTM 350 SX-F2019
KTM 350 SX-F2020
KTM 350 SX-F2021
KTM 350 SX-F2022
KTM 350 XC-F2019
KTM 350 XC-F2020
KTM 350 XC-F2021
KTM 350 XC-F2022