Description

Upgrade your Yamaha WR450F with the Yoshimura RS-4 header, canister, and end cap exhaust system, part number 234700D320. Designed to enhance performance and sound, this exhaust system features a pentagonal-shaped muffler that provides a distinctive appearance and optimized airflow. The maximized internal volume and polyresonant duplex front chamber work together to improve exhaust flow, resulting in increased horsepower and torque across the engine’s RPM range. Its stepped, two-stage core baffle enhances sound modulation, delivering a deep, aggressive sound profile while maintaining compliance with noise regulations. Compatible with models from 2012 to 2015, this system is engineered for precise fitment and easy installation, seamlessly integrating with your bike’s existing components. Constructed from durable materials, the system ensures long-lasting performance and resistance to heat and corrosion, making it suitable for both trail riding and competitive racing. The inclusion of a spark arrestor and sound insert compatibility offers additional customization options to suit your riding preferences and local regulations. Whether you’re seeking improved power, a more aggressive sound, or a reliable exhaust upgrade, the Yoshimura RS-4 system is designed to meet the demands of serious riders seeking quality and performance. Installation and maintenance are straightforward, thanks to the carefully engineered design that ensures a secure fit and optimal exhaust flow. Elevate your Yamaha WR450F’s performance with this high-quality exhaust system and enjoy enhanced riding experience and reliability.

Features:

• Pentagonal-shaped muffler for distinctive appearance and optimized airflow

• Maximized internal volume to enhance exhaust flow and performance

• Polyresonant duplex front chamber for improved sound and efficiency

• Stepped, two-stage core baffle for deep, aggressive exhaust note

• Compatible with Spark Arrestor and Sound Insert for customization and noise regulation compliance

Fitment:
Yamaha WR450F2012
Yamaha WR450F2013
Yamaha WR450F2014
Yamaha WR450F2015