Cycle News Staff | December 10, 2019
Pro Circuit has new exhaust systems for the 2020 Yamaha YZ450F model.
Designed and manufactured in the USA, Pro Circuit’s new lineup of exhaust systems for the 2020 Yamaha YZ450F includes the Ti-6 Pro Titanium (which is the one Justin Barcia uses), the Ti-6 Titanium, the affordable T-6 Stainless Steel, and the even more affordable T-6 Stainless Steel Slip-On. The titanium exhausts feature an RC-4 resonance chamber, high-grade titanium material throughout, and a carbon-fiber end cap.
Pro Circuit Ti-6 Pro Titanium System
The Ti-6 Pro Titanium exhaust system (P/N 0332045FP, $1,118.21) is designed for the AMA Pro racer competing in AMA Supercross or Pro Motocross Championships. Engineered to meet strict AMA/FIM sound regulations, the Ti-6 Pro system provides superior performance while complying with the series’ sound regulations. The Ti-6 Pro exhaust system is constructed from high-grade titanium throughout with a carbon-fiber end-cap for a factory look.
Pro Circuit Ti-6 Titanium System
The Ti-6 Titanium system (P/N 0332045F, $1,118.21) is designed for both closed-course and off-road racers. It’s the ideal system for AMA Amateur events since it meets AMA amateur noise requirements. It’s constructed of titanium throughout the head pipe, mid pipe, and canister while the end-cap is constructed of carbon fiber. It is equipped with a removable USFS-approved spark arrestor, making it easy to alternate between off-road and closed-course racing.
Pro Circuit T-6 Stainless-Steel System
The T-6 Stainless-Steel system (P/N 0132045G, $850.46) also has a removable USFS-approved spark arrestor, and is designed for both closed-course and off-road competition. Constructed from high-strength stainless-steel and aluminum, the T-6 offers the same improved performance as the Ti-6 System.
Pro Circuit T-6 Stainless-Steel Slip-On Silencer
The T-6 slip-on silencer (P/N 0132045A, $488.21) is for riders looking for an inexpensive, easy-to-install, durable performance silencer that can bolt right onto their stock head pipe. The T-6 slip-on is constructed of stainless steel and high-quality aluminum. A removable USFS-approved spark arrestor is included.
For more information, visit www.procircuit.com