Hawk HP Plus Brake Pads WRX (2003-2005) Mercedes This system for the WRX/STI

This system for the WRX/STI includes Turbo XS's 4" bellmouth downpipe

With the larger surface area

Unlike competitor's silicone intake tubes

The solenoid coil itself from the factory-fitted valve is great (the ECU opens it faster than any pneumatic valve so why replace it

Subaru BRZ/Scion FR-S (2013+)

Hawk HP Plus Brake Pads WRX (2003-2005) Mercedes This system for the WRX/STIHawk HP+ pads are made for the Subaru WRX that gets driven to and on the track. The HP Plus offers increased friction over the HPS, at the price of a little more noise (squealing) and more dust. Brake squeal is not uncommon in the HP Plus due to the higher temperatures required for their peak friction, but once warmed up, this higher operating temperature will consistently allow your Subaru to brake more quickly, with minimal fade. These pads are