Subaru Impreza WRX GD Performance Parts & Upgrades

The Subaru Impreza WRX (GD sedan and GG wagon) was sold new in Australia from late 2000 to 2007, with a turbocharged boxer four and all-wheel drive. Early cars use the 2.0L EJ205 and the last models the 2.5L EJ255. Many parts are shared with the GD STI. This page lists the parts we stock for the GD WRX, from COBB, Perrin and GrimmSpeed intake, turbo and exhaust parts to HARDRACE bushes and mounts, Process West intercoolers, Torque Solution shifter bushings and Turbosmart and GFB blow off valves.

Shop by Vehicle
Popular upgrades for the GD WRX
  • Intake and turbo: COBB, Perrin and Process West intakes, turbo heat shields, boost solenoids, and GFB and Turbosmart blow off valves.
  • Intercooling and cooling: COBB and Process West front mount intercoolers, COBB CSF and KOYORAD radiators, and Mishimoto and Perrin oil coolers.
  • Exhaust: COBB and Borla cat-backs, a Borla header, KORSH downpipes, and COBB and GrimmSpeed up pipes.
  • Suspension and bushes: AST coilovers and springs, HARDRACE and Perrin bushings, end links and engine mounts, and Perrin and GrimmSpeed wheel spacers.
  • Driveline and shifter: COBB shifters, Torque Solution shifter bushings, and Drive Shaft Shop axles and driveshafts.
  • Engine: Cometic head gaskets, Supertech and GSC valvetrain, Manley rods and ACL bearings.
Choosing the Right Part
  • Front end style: the GD was facelifted twice, for 2003 and 2006. Process West intercoolers come in Bugeye, Blobeye and Hawkeye versions.
  • EJ20 or EJ25: 2.0L and 2.5L cars need different head gaskets, pistons and some turbo parts. Check your engine before ordering.
  • WRX or STI: the STI has a 6-speed gearbox and different brakes. Driveline and shifter parts are often listed for one model only.
  • Sedan or wagon: most parts fit both, but check the title for springs and exhausts.
Installation

Have a qualified workshop fit suspension, brake, fuel and engine parts. Get a wheel alignment after any suspension change, and bleed and road-test the brakes after brake work. Fuel and engine upgrades usually need a tune to suit, so ask us if you're unsure.

Need help choosing? Contact our team at sales@chicaneaustralia.com.au.

369 products
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ARP 2000 Head Stud Kit - Subaru EJ20 / EJ25 DOHC - WRX / STI / Forester / Liberty GT
King Racing Connecting Rod Bearing Set – Subaru EJ20 / EJ22 / EJ25 (Incl. Turbo) - Chicane Australia King Racing Connecting Rod Bearing Set – Subaru EJ20 / EJ22 / EJ25 (Incl. Turbo) - Chicane Australia
King Racing Main Bearing Set – Subaru EJ20 / EJ22 / EJ25 (Incl. Turbo) - Chicane Australia King Racing Main Bearing Set – Subaru EJ20 / EJ22 / EJ25 (Incl. Turbo) - Chicane Australia
NGK Laser Iridium Spark Plugs (Set of 4) - Subaru WRX (GD / GE / GH) / WRX STI (GD / GR / GV / VA) / Liberty GT (BL / BM) / Forester XT (SG / SH) - Heat Range 7
NGK Iridium Spark Plugs Heat Range #7 Subaru EJ20 WRX/STI / VW Audi 2.0 TSI TFSI EA113 EA888 Gen 1-2 - Chicane Australia NGK Iridium Spark Plugs Heat Range #7 Subaru EJ20 WRX/STI / VW Audi 2.0 TSI TFSI EA113 EA888 Gen 1-2 - Chicane Australia
Process West Cold Air Intake – Subaru WRX/STI 2001–2007 - Chicane Australia
ARP Custom Age 625+ Head Stud Kit - Subaru EJ20 / EJ25 DOHC - WRX / STI / Forester / Liberty GT
ACL Race Conrod Bearings Set – Subaru EJ20/EJ22/EJ25 (52mm Journal) - Chicane Australia ACL Race Conrod Bearings Set – Subaru EJ20/EJ22/EJ25 (52mm Journal) - Chicane Australia
Sale price$85.00
Out of Stock at Supplier
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ACL Race Main Bearings Set – Subaru EJ20/EJ22/EJ25 (Thrust Position 5) - Chicane Australia ACL Race Main Bearings Set – Subaru EJ20/EJ22/EJ25 (Thrust Position 5) - Chicane Australia
ARP Wheel Stud Kit - Subaru WRX / STI (GD / GE / GH / GR / GV / VA) - M12 x 1.25, 5 Pack
COBB weighted shift knob – black and white knobs with red or black trim rings COBB weighted shift knob – colour options, second listing photo
CP Pistons Ring Set – EJ255 / EJ257 Engine – 100mm Bore (Single Piston)
Subaru Genuine Ignition Coil Pack (Single) – WRX 06–14 / STI 06–21 / Forester XT SH 08–13 (EJ25)
Cometic MLS head gasket for Subaru EJ255/EJ257 2007–2018, 101mm bore (product illustration)
Process West Top Mount Intercooler – Subaru GD WRX (03–07) & STI (06–07) – Black - Chicane Australia
HKS Fine Tune Timing Belt with purple back face and black teeth (product illustration) HKS Fine Tune Timing Belt fitted with HKS purple adjustable cam pulleys on an engine (product illustration)
Manley Sport Compact H-Beam connecting rods, set of 4 with box (product illustration)
Sale priceFrom $1,190.00
In Stock at Supplier
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NGK Iridium Spark Plugs Heat Range #7 Subaru EJ20 WRX/STI / VW Audi 2.0 TSI TFSI EA113 EA888 Gen 1-2 - Chicane Australia NGK Iridium Spark Plugs Heat Range #7 Subaru EJ25 / Mitsubishi Evo 9 - Chicane Australia
Alcon brake components including calipers and rotors on a black background Alcon 6-piston caliper with 2-piece rotors and kit hardware (product illustration)
Sale priceFrom $4,390.00
Available to Order
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ARP Case Bolt Kit - Subaru EJ20 / EJ25 - WRX / STI (GC / GD / GR / GV / VA) / Forester (SF / SG / SH) / Liberty GT (BL / BP)
GrimmSpeed Up Pipe to Turbo Gasket - Subaru WRX/STI (GDA/GGA/GDB/GRF/GVF/VAB) - Image 2
GrimmSpeed Shifter Bushing Kit - Subaru WRX STI (GDB/GRF/GVF/VAB) GrimmSpeed Shifter Bushing Kit - Subaru WRX STI (GDB/GRF/GVF/VAB) - Image 3
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HARDRACE Reinforced Sway Bar Bushing - Subaru Impreza WRX (GD/GG) / Impreza WRX STI (GD/GG) / Forester (SG) - 18mm - REAR 18mm HARDRACE Reinforced Sway Bar Bushing - Subaru Impreza WRX (GD/GG) / Impreza WRX STI (GD/GG) / Forester (SG) - 18mm - REAR 18mm - Image 2
Fluidampr Steel Internally Balanced Damper - Subaru EJ20/25 Fluidampr Steel Internally Balanced Damper - Subaru EJ20/25 - Image 2
Manley Turbo Tuff I-Beam Connecting Rod Set - Subaru WRX/STI (EJ20/EJ25) - 4340 Steel +2mm 1000+HP - Image 2 Manley Turbo Tuff I-Beam Connecting Rod Set - Subaru WRX/STI (EJ20/EJ25) - 4340 Steel +2mm 1000+HP - Image 3
COBB 5-speed narrow barrel double adjustable short throw shifter – Subaru WRX GD – shifter front view COBB 5-speed double adjustable short throw shifter – angled view of adjustment clamps
GSC Power-Division Billet S3 Camshaft Set - Subaru WRX/STI EJ255/EJ257 Intake AVCS (GDA/GDB/GRB/GVB) - 280° Billet
KOYORAD racing radiator – Subaru Impreza WRX / WRX STI (GD / GG) – front view with filler neck and KOYORAD logo KOYORAD racing radiator – Subaru Impreza WRX / WRX STI (GD / GG) – angled top view with mounting brackets