YOSHIMURA RS-4 Slip-On Exhaust System 16780BD520

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 System, part number 16780BD520, reflects an ongoing development process focused on performance, sound control, and mass centralization. Developed in conjunction with factory teams, this exhaust system is designed to provide a competitive advantage for select adventure motorcycles.

Its pentagonal-shaped muffler provides maximized internal volume, while the polyresonant duplex front chamber and stepped, two-stage core baffle contribute to the system’s performance and sound-management design. The exhaust is also compatible with a spark arrestor or sound insert.

This YOSHIMURA RS-4 exhaust fits the 2019, 2020, and 2021 KTM 790 Adventure; the 2022 KTM 790 Adventure; the 2022 and 2023 KTM 890 Adventure; and the 2022 and 2023 Husqvarna Norden 901.

Features:

• Muffler: Pentagonal-shaped design
• Internal Volume: Maximized internal volume
• Front Chamber: Polyresonant duplex configuration
• Core Baffle: Stepped, two-stage design
• Compatibility: Spark arrestor and sound insert compatible
• Brand and Part Number: YOSHIMURA 16780BD520

Fitment:
Husqvarna Norden 901 2022
Husqvarna Norden 901 2023
KTM 790 Adventure 2019
KTM 790 Adventure 2020
KTM 790 Adventure 2021
KTM 790 Adventure 2022
KTM 890 Adventure 2022
KTM 890 Adventure 2023