Increase stopping power with Hawk HPS Rear brake pads for your WRX or STi. These HPS pads stands for (High Performance Street) uses a compound that offers a higher coefficient of friction over stock pads, and can provide 20-40% more stopping power.  They also have a higher resistance to brake fade than most standard replacement pads, and with less brake fade you'll have a very durable pad with less brake dust. Hawk's HPS ferro-compound features increased stopping power whether hot or cold, long-life, less rotor wear, low dust, and reduced noise. All Hawk Performance products provide a limited lifetime warranty, ensuring Hawk brake pads to be free of defects from manufacturer's workmanship and materials.