Yoshimura RS-4 Full Exhaust System for Offroad Motorcycles

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.

Upgrade your offroad motorcycle with the Yoshimura RS-4 full exhaust system, designed to enhance performance while maintaining a refined sound profile. This system features a pentagonal-shaped muffler that not only adds a distinctive look but also maximizes internal volume for improved flow. The polyresonant duplex front chamber promotes efficient exhaust scavenging, resulting in increased power output. A stepped, two-stage core baffle ensures optimal sound control, allowing you to enjoy a deep, aggressive exhaust note without excessive noise. Additionally, this exhaust system is compatible with spark arrestors and sound inserts, giving you flexibility for different riding environments.
Constructed with precision, the Yoshimura RS-4 exhaust system is engineered to work seamlessly with a variety of offroad models including 2019 and 2020 Husqvarna FC 250 and FC 350, as well as KTM 250 SX-F, 350 SX-F, 350 XC-F, and 250 XC-F. Installation is straightforward, providing a significant performance boost with minimal effort. The system's design not only enhances horsepower and torque but also improves throttle response, making it an excellent choice for competitive riders and enthusiasts seeking reliable and high-quality exhaust performance.
Built with durability in mind, the Yoshimura RS-4 system features quality materials that withstand harsh offroad conditions. Whether you're racing or trail riding, this full exhaust system helps you unlock your bike’s full potential while adhering to sound regulations. Experience the difference with a product crafted by Yoshimura, a recognized leader in exhaust technology, and enjoy the benefits of improved performance, sound, and style on every ride.

Features:

• Pentagonal-shaped muffler: Unique design enhances aesthetics and performance.

• Maximized internal volume: Improves exhaust flow for increased power.

• Polyresonant duplex front chamber: Promotes efficient scavenging for better engine response.

• Stepped, two-stage core baffle: Provides optimal sound control and tone.

• Spark Arrestor/Sound Insert Compatible: Offers flexibility for different riding environments.

Product Type: Exhaust
Exhaust Type: Full System
Model: RS4
Segment: Offroad
Division: Exhaust
Class: Mufflers, Pipes, & Systems
Sub Class: Mufflers, Silencers, Slip Ons

FITMENT:
2019 Husqvarna FC 250
2019 Husqvarna FC 350
2019 Husqvarna FX 350
2019 KTM 250 SX-F
2019 KTM 250 XC-F
2019 KTM 350 SX-F
2019 KTM 350 XC-F
2020 Husqvarna FC 250
2020 Husqvarna FC 350
2020 Husqvarna FX 350
2020 KTM 250 SX-F
2020 KTM 250 XC-F
2020 KTM 350 SX-F
2020 KTM 350 XC-F
2021 Gas-Gas EX 250F
2021 Gas-Gas EX 350F
2021 Gas-Gas MC 250F
2021 Husqvarna FC 250
2021 Husqvarna FC 350
2021 Husqvarna FX 350
2021 KTM 250 SX-F
2021 KTM 250 XC-F
2021 KTM 350 SX-F
2021 KTM 350 XC-F
2022 Gas-Gas EX 250F
2022 Gas-Gas EX 350F
2022 Gas-Gas MC 250F
2022 Gas-Gas MC 350F
2022 Husqvarna FC 250
2022 Husqvarna FC 350
2022 Husqvarna FX 350
2022 KTM 250 SX-F
2022 KTM 250 XC-F
2022 KTM 350 SX-F
2022 KTM 350 XC-F
2023 Gas-Gas EX 250F
2023 Gas-Gas EX 350F
2023 Gas-Gas MC 250F
2023 Gas-Gas MC 350F