W5 is designed for track use and we recommend it for BRZ/FR-S cars OEM rear brakes. Winmax W5 is what we consider FULL metallic compounds, where metallic content is high, and are exclusively formulated for extended racing and heated use on the racetrack, and longer duration rally use. For customer who have not upgraded their front brakes to our BBKs, this is a good intermediate solution to improve braking.
They are capable of extreme temperature ranges on the hot end, and offer the best stability, and consistency of control under racing conditions. As such, they require a fair bit of heating before it is optimal, and are not recommended for street use. W5~W6 offer three levels of temperature and effectiveness choices, and can be mixed and matched to offer the best combination for bias of front and rear, given different caliper/rotor choices, and enables fine tuning for venues, driver preference, and longevity whether short sprints, extended endurance, or longer distance rally and asphalt stages.
Please refer to our Pad Selection Guide in the Tech Center for more information.
Fit and Compatibility:Fits Subaru BRZ and Scion FR-S rear factory calipers.