Stance XR1 Coilover Set Subaru WRX 2002-2007 / STI 2004 Vehicle Model_WRX STI greatly reduces brake fade

greatly reduces brake fade

Improved Engine Efficiency

mass air flow sensor and vacuum line as well as the turbo blow off valve

Reduces wheel hop and drivetrain lash

Stance XR1 Coilover Set Subaru WRX 2002-2007 / STI 2004 Vehicle Model_WRX STI greatly reduces brake fadePart #: STA ST GDB XR1 Originally designed for use in professional motorsports, inverted monotube technology has many advantages over upright monotube dampers. Our 45mm strut shaft offers increased lateral rigidity over competitors upright dampers that use 20mm shafts. If the shaft is not stiff enough it can cause the damper to bind under heavy loads and limit the suspension travel leading to premature wear on the shaft seals & piston bands, causing