* FMF PowerCore 4 Exhaust System: This exhaust system from FMF is known for its loud and aggressive sound. It is made from lightweight aluminum and features a resonated core design that is said to improve performance and increase power.
* Yoshimura RS-2 Full Exhaust System: The RS-2 exhaust system from Yoshimura is another popular choice for riders who want a loud exhaust. It is made from stainless steel and features a reverse-cone design that is said to provide increased power and improved sound quality.
* Pro Circuit T-6 Exhaust System: The T-6 exhaust system from Pro Circuit is made from lightweight titanium and features a hex-shaped body and a louvered core design. It is said to offer increased power and a loud, aggressive sound.
Ultimately, the best exhaust system for your Honda 350X will depend on your specific preferences and budget. Consider the materials, design, and sound characteristics of each system before making a decision.
