The 2004 Subaru Impreza WRX STi WR1 is available as a limited edition version produced in only 500 units, meant to celebrate Petter Solberg's Driver's Title in the 2003 World Rally Championship. Its performance upgrades include a lowered ride height by 25mm, a stainless steel mesh grill as well as 18-inch 7-spoke rims with Pirelli PZero tires. The diver is allowed to distribute torque between front and rear wheels through a switch located near the handbrake, while the WR1 also boasts a driver's control center-differential.
The WR1 version of Subaru's WRX Sti is a limited edition version (500 will be produced) that celebrates Petter Solberg's Driver's Title in the 2003 World Rally Championship. The car features several appearance and performance upgrades. Visual enhancements include a stainless steel mesh grill, a lowered ride height (25mm), and 18-inch 7-spoke rims with Pirelli PZero tires. Performance upgrades include a revised engine control unit and a high-flow catalyst and sports silencer. The WR1 also features a driver's control-center-differential. A switch located near the handbrake allows the driver to distribute torque between front and rear wheels.