Yoshimura RS-4 Slip-On Stainless Steel Exhaust for Husqvarna Norden 901 and KTM Adventure Models

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 delivers high performance and aggressive styling for street motorcycles including the Husqvarna Norden 901 and KTM Adventure series. Crafted from durable stainless steel, this exhaust system features a pentagonal-shaped muffler that combines aesthetic appeal with functional design. Its maximized internal volume enhances exhaust flow, contributing to increased power and torque across the RPM range. The polyresonant duplex front chamber and stepped, two-stage core baffle work together to optimize sound quality and reduce noise levels, ensuring a refined yet sporty exhaust note. Designed in collaboration with factory teams, the RS-4 exhaust offers a significant performance upgrade while maintaining compliance with sound regulations for street riding. The system's compatibility with spark arrestors and sound inserts allows riders to customize their experience without sacrificing performance or legality. Installation is straightforward, thanks to the slip-on design that fits directly onto the stock headers, making it an ideal upgrade for enthusiasts seeking improved throttle response and a more aggressive exhaust tone without extensive modification. Whether for daily commuting or spirited riding, the Yoshimura RS-4 exhaust enhances the motorcycle’s aesthetics and performance, giving riders a competitive edge on the road. This exhaust system is part of Yoshimura's trusted lineup of mufflers, pipes, and systems dedicated to street segment performance upgrades, ensuring durability, quality, and consistent performance over time.

Features:

• Pentagonal-shaped muffler for aggressive styling and optimized flow

• Maximized internal volume for improved performance

• Polyresonant duplex front chamber for sound tuning and noise reduction

• Stepped, two-stage core baffle for enhanced exhaust flow and sound control

• Spark Arrestor/Sound Insert compatible for street legality and customizable sound

Product Type: Exhaust
Exhaust Type: Slip-On Muffler
Finish: Stainless Steel
Styling: RS-4
Segment: Street
Division: Exhaust
Class: Mufflers, Pipes, & Systems
Sub Class: Exhaust Systems

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