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.

The Yoshimura RS-4 Street Slip-On Exhaust System for KTM Adventure motorcycles is designed to deliver enhanced performance and a refined sound profile. Working closely with factory teams, Yoshimura has developed this system to optimize power delivery while reducing sound levels, providing riders with a competitive edge. Constructed with precision, this exhaust features a pentagonal-shaped muffler that maximizes internal volume for improved flow and performance. The polyresonant duplex front chamber and stepped, two-stage core baffle work together to refine exhaust note and increase efficiency, making it a superior upgrade for serious riders.
Built for durability and ease of installation, the RS-4 exhaust is compatible with spark arrestors and sound inserts, allowing customization to meet local noise regulations. The system’s centralized mass design contributes to better handling and balance, enhancing overall motorcycle performance. Whether you’re seeking increased power, a more aggressive sound, or a sleek aesthetic, this slip-on exhaust system offers a balanced combination of style and function. It is ideal for KTM models from 2014 to 2019, including 1190, 1290, and 1090 Adventure variants, ensuring a perfect fit and reliable performance.
Upgrade your KTM adventure motorcycle with the Yoshimura RS-4 Slip-On Exhaust and experience the perfect blend of performance, sound, and style. Designed with high-quality materials and advanced engineering, this exhaust system is a must-have for riders looking to maximize their machine’s capabilities while maintaining compliance with sound regulations.

Features:

• Pentagonal-shaped muffler for optimized flow and aesthetics

• Maximized internal volume to enhance performance

• Polyresonant duplex front chamber for refined exhaust tone

• Stepped, two-stage core baffle for improved sound and efficiency

• Spark arrestor and sound insert compatibility for customization

Fitment:
KTM 1090 Adventure R2017
KTM 1090 Adventure R2018
KTM 1090 Adventure R2019
KTM 1190 Adventure2014
KTM 1190 Adventure2015
KTM 1190 Adventure2016
KTM 1290 Super Adventure2015
KTM 1290 Super Adventure2016