XYZ Racing Pro Racing Gravel/Snow Coilovers — Subaru IMPREZA GDB STI D-F (PCD: 5 X 114.3) 4WD 2005-2007

The GDB STI’s rally-honed 4WD platform was built to put power down on loose surfaces, and that starts with suspension travel most tarmac-only chassis were never designed to need. XYZ Racing’s Pro Racing Gravel/Snow coilover extends that travel front and rear, giving the D-F chassis the buffer distance to keep the EJ257’s turbo delivery composed when the surface underneath keeps changing.

This is a rally and rallycross-spec damper first, built around a bigger internal oil and nitrogen gas reserve so shock temperatures stay under control through stage-length abuse rather than a single flying lap. On the road or a loose-surface test day, that translates into a GDB that settles faster after a compression and holds its line when the grip level drops without warning.

What this coilover does for your 2005-2007 Subaru IMPREZA GDB STI D-F (PCD: 5 X 114.3) 4WD

Fit the Pro Racing Gravel/Snow coilover and the first thing you notice on a rutted stage road or a snow-packed car park is how much later the suspension runs out of travel. The extended front and rear stroke absorbs compressions that would bottom out a shorter coilover, keeping the GDB’s centre-diff torque split working with the road instead of fighting a chassis that’s already pattering off the bump stops. The larger oil and nitrogen gas volume means the dampers resist the temperature build-up that causes fade during sustained hard use, which matters on an EJ257-powered car that already runs hot under boost. Three external adjustment knobs let you set damping front and rear separately, so you can soften the D-F chassis for standing water and mud or firm it up as the surface hardens underfoot.

About the Pro Racing Gravel/Snow coilover

XYZ Racing built the Pro Racing Gravel/Snow line specifically for rally and rallycross use, where the suspension has to soak up compressions a smooth circuit never throws at it. Both the front and rear dampers get extended stroke length, giving the chassis a bigger cushion before the suspension tops or bottoms out over ruts, jumps and washboard gravel. Internally, the damper carries an increased volume of suspension oil and nitrogen gas, keeping oil temperature under control through the kind of sustained, high-load use a rally stage or a full track session puts a shock through, rather than the fade you get from a smaller-capacity unit running hot. Each corner gets three external adjustment knobs, and the small-bore oil passage behind them means you may hear a faint noise from the damper over larger bumps – that’s a byproduct of the valving, not a fault, and it doesn’t stop the coilover working on rough terrain or on a hard circuit surface.

Fitment for the Subaru IMPREZA GDB STI D-F (PCD: 5 X 114.3) 4WD (2005-2007)

This kit is matched to the GDB-generation Impreza STI D-F chassis, 4WD, built between 2005 and 2007, with a 5 x 114.3 PCD. Confirm your registration falls inside that build window before ordering, since the D-F chassis code covers a specific run of GDB-generation cars rather than the whole GDB production span.

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Match this Pro Racing Gravel/Snow coilover to your GDB STI D-F and set the damping for the surface you’re actually driving on – configure yours below.