YOSHIMURA RS-4 Slip-On Exhaust System for Honda CRF250L and CRF250RL - Stainless Steel

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 offers a significant upgrade for Honda CRF250L and CRF250RL models, combining performance, sound, and durability. Crafted from high-quality stainless steel, this exhaust enhances your motorcycle’s power output while providing a sleek, professional appearance. Working closely with factory teams, YOSHIMURA has engineered the RS-4 to maximize internal volume and improve exhaust flow, resulting in better acceleration and overall performance. The design features a pentagonal-shaped muffler that not only adds an aggressive aesthetic but also optimizes sound levels for street riding. The RS-4 system is engineered to reduce noise without sacrificing power, offering a balanced sound that appeals to enthusiasts seeking performance and subtlety.
Constructed with a polyresonant duplex front chamber and a stepped, two-stage core baffle, the exhaust ensures efficient sound suppression and enhanced exhaust flow. The system is also compatible with spark arrestors and sound inserts, providing flexibility for off-road or street use. Its slip-on design simplifies installation and maintenance, making it a popular choice for riders who want a quick upgrade with lasting impact. The YOSHIMURA RS-4 exhaust system improves the bike's handling by centralizing mass and reducing weight, giving you a competitive edge whether on the trail or street. Designed specifically for 2017-2020 Honda CRF250L and CRF250RL models, including Rally versions, this exhaust is built for street segment riders who demand quality and performance from their motorcycle components.
Upgrade your Honda with the YOSHIMURA RS-4 slip-on exhaust and experience enhanced power, refined sound, and a sleek appearance that complements your bike’s styling. The stainless steel finish ensures long-lasting durability, resisting corrosion and maintaining its aesthetic appeal over time. Whether you're looking for increased throttle response or a more aggressive sound profile, this exhaust system delivers without compromise, making it an essential addition for serious riders seeking optimal performance and style.

Features:

• Pentagonal-shaped muffler for a distinctive look

• Maximized internal volume for improved exhaust flow

• Polyresonant duplex front chamber enhances sound and performance

• Stepped, two-stage core baffle for effective sound suppression

• Compatible with spark arrestors and sound inserts for versatile use

Product Type: Exhaust
Exhaust Type: Slip-On Muffler
Finish: Stainless Steel
Styling: RS-4
Model: RS4
Segment: Street
Division: Exhaust
Class: Mufflers, Pipes, & Systems
Sub Class: Mufflers, Silencers, Slip Ons

FITMENT:
2017 Honda CRF250L
2017 Honda CRF250RL Rally
2017 Honda CRF250RLA Rally ABS
2018 Honda CRF250L
2018 Honda CRF250RL Rally
2018 Honda CRF250RLA Rally ABS
2019 Honda CRF250L
2019 Honda CRF250RL Rally
2019 Honda CRF250RLA Rally ABS
2020 Honda CRF250L
2020 Honda CRF250RL Rally
2020 Honda CRF250RLA Rally ABS