These Brembo HP2 front brake pads use the TS20 compound and are specified for GT STI front applications with BM4 backing and B/H WA RT fitment notes. The pads are offered as a high‑performance street compound intended to match braking systems designated by Brembo for the referenced vehicle fitments, providing a direct replacement pad formulated around the TS20 friction material.
Brembo GT STI Front, BM4, B/H WA RT TS20 Compound High Performance Street Brake Pads