The Pro Circuit Ti-6 BC Titanium Exhaust System is a professional-level race exhaust designed for the 2026 Yamaha YZ450F. Built for closed-course competition, this full system is engineered to help racers meet AMA and FIM sound regulations while improving overall motorcycle performance. The system includes titanium construction throughout the head pipe, mid pipe, canister, and end cap for a strong, lightweight design suited to demanding motocross and Supercross applications.
Pro Circuit part number 0332645BC features an asymmetrical muffler configuration that increases packing volume and supports consistent sound control. A machined aluminum muffler bracket adds strength and durability, while the machined mid-pipe-to-head-pipe joint promotes a precise, leak-resistant fit. TIG precision welding provides clean, durable construction, and the system is made in the USA. The Ti-6 BC is intended only for professional or closed-course racing and is not designed for use on public roads.
Fitment: 2026 Yamaha YZ450F. This Pro Circuit exhaust system is supplied for the specified motorcycle model and should be installed according to the manufacturer’s recommendations. Verify vehicle application and racing regulations before installation.
Features:
- Fitment: 2026 Yamaha YZ450F
- Brand: Pro Circuit
- Manufacturer: Pro Circuit
- Vendor part number: 0332645BC
- Exhaust type: Ti-6 BC full titanium race system
- Sound compliance: Designed to pass AMA and FIM sound regulations
- Construction: Titanium head pipe, mid pipe, canister, and end cap
- Performance: Designed to improve motorcycle performance
- Muffler bracket: Machined aluminum construction for increased strength and durability
- Muffler design: Asymmetrical configuration for increased packing volume
- Joint design: Machined mid-pipe-to-head-pipe connection for a precise, leak-resistant fit
- Welding: TIG precision welded
- Manufacturing: Made in the USA
- Use: Full race exhaust system intended for closed-course racing only
Fitment:
2026 Yamaha YZ450F