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2004-2007 Subaru STI Tuning & Performance

Here, you will find tuning and part support for the  2004-2007 "GD" chassis STi.

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$2,586.00
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$2,095.00
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ACT 04-20 WRX STI Mod Twin XT Race Kit Sprung Hub Torque Cap 1120ft/lbs Not For Street Use

ACT
Low stock

T2R-S05 Mod-Twin 225 XT Sprung Race Kit performs aggressive launches and smoother shifting in high powered AWD’s by combining twice the ceramic fri...

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$2,586.00
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$2,095.00
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$2,381.00
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$1,929.00
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ACT Subaru 04-20 WRX STI Mod Twin HD Street Kit Unsprung Mono-Drive Hub Torque Capacity 700ft/lbs

ACT
Low stock

T1S-S07 Mod-Twin 225 HD Rigid Street Kit blends easy pedal feel, smooth but positive engagement with quick shifting for high powered AWD’s by combi...

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$2,381.00
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$2,381.00
$1,929.00
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$1,929.00
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$2,598.00
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$2,104.00
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$2,104.00

ACT 04-20 WRX STI Mod Twin HD Race Kit Sprung Mono-Drive Hub Torque Cap 895ft/lbs Not For Street Use

ACT
Low stock

T1R-S05 Mod-Twin 225 HD Sprung Race Kit performs aggressive launches and smoother shifting in high powered AWD’s by combining twice the ceramic fri...

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$2,598.00
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$2,598.00
$2,104.00
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$2,104.00
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$300.31 - $300.31
$300.31
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$300.31

Aeromotive 02-14 2.0L Subaru WRX/07-14 STi Fuel Rails

Aeromotive
In stock

Aeromotive High Flow, Billet Fuel Rails combine 3,000 HP flow capabilities with ?bolt-on? ease of installation. Fits 2004-2006 Subaru 2.0L WRX?? Ra...

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$300.31 - $300.31
$300.31
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$300.31
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$49.99
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$49.99
$39.89
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$39.89

Torque Solution Greddy Blow Off Valve Adapter w/ Plug: Subaru WRX 02-07 & 04-13 STI

Torque Solution
In stock

Torque Solution Greddy Blow Off Valve Adapter w/ Plug: Subaru WRX 02-07 & 04-13 STIThis Part Fits: Year Make Model Submodel 2002-2007 Subaru...

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$49.99
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$49.99
$39.89
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$39.89
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$277.77
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$277.77
$233.33
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$233.33

Torque Solution Turbo Inlet Hose Black: 02-07 Subaru WRX / 04-18 STI / 05-09 Legacy GT / 04-13 FTX

Torque Solution
Low stock

Torque Solution Turbo Inlet Hose Black: 02-07 Subaru WRX / 04-18 STI / 05-09 Legacy GT / 04-13 FTXThis Part Fits: Year Make Model Submodel 2004-...

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$277.77
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$277.77
$233.33
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$233.33
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$122.21
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$122.21
$102.66
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$102.66

Torque Solution Urethane Rear Endlinks: 04-07 Subaru STi/04-08 Forester

Torque Solution
In stock

Torque Solution Urethane Rear Endlinks: 04-07 Subaru STi/04-08 ForesterThis Part Fits: Year Make Model Submodel 2008 Subaru Forester Sports 2.5 ...

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$122.21
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$122.21
$102.66
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$102.66
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$378.88
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$378.88

Whiteline 02-07 Subaru WRX / 03-07 Impreza Non-Turbo / 04-07 STi Front Race Anti-Dive Caster Kit

Whiteline
Low stock

MOTORSPORT ONLY - Whiteline Anti Lift Kits are primarily designed to improve traction and cornering grip under power. By increasing static caster a...

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$378.88 - $378.88
$378.88
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$41.45 - $41.45
$41.45
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$41.45

Walbro Fuel Pump Kit for 02-07 Subaru WRX/04-07 Subaru WRX STi

Walbro
In stock

This Installation Kit (application specific) has the following Features and Benefits: Race-proven design for high-pressure high-flow engines, techn...

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$41.45 - $41.45
$41.45
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$41.45
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$8.77
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$8.77
$7.37
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$7.37

Torque Solution Subaru 02-07 WRX / 04-21 STI TMIC Stud Kit

Torque Solution
In stock

Torque Solution Subaru 02-07 WRX / 04-21 STI TMIC Stud Kit

$8.77
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$8.77
$7.37
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$7.37
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$55.54
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$55.54
$46.66
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$46.66

Torque Solution Greddy Blow Off Valve and Recirc Adapter: Subaru WRX 02-07 & 04-14 STI

Torque Solution
In stock

Torque Solution Greddy Blow Off Valve and Recirc Adapter: Subaru WRX 02-07 & 04-14 STIThis Part Fits: Year Make Model Submodel 2002-2007 Sub...

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$55.54
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$55.54
$46.66
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$46.66
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$42.21
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$42.21
$35.46
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$35.46

Torque Solution Greddy Blow Off Valve Adapter: Subaru WRX 02-07 & 04-12 STI

Torque Solution
In stock

Torque Solution Greddy Blow Off Valve Adapter: Subaru WRX 02-07 & 04-12 STIThis Part Fits: Year Make Model Submodel 2002-2007 Subaru Impreza...

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$42.21
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$42.21
$35.46
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$35.46
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$122.21
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$122.21
$102.66
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$102.66

Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Red

Torque Solution
Low stock

Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - RedThis Part Fits: Year Make Model Submodel 2002-2007 Subaru Impreza W...

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$122.21
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$122.21
$102.66
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$102.66
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$122.21
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$97.52
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$97.52

Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - Blue

Torque Solution
In stock

Torque Solution 02-07 Subaru WRX / 04-07 STI Silicone Radiator Hose Kit - BlueThis Part Fits: Year Make Model Submodel 2002-2007 Subaru Impreza ...

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$122.21
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$122.21
$97.52
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$97.52
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$277.77
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$277.77
$233.33
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$233.33

Torque Solution Turbo Inlet Hose Black: 02-07 Subaru WRX/04-18 STI/05-09 Legacy GT/04-13 FTX - Red

Torque Solution
Low stock

Torque Solution Turbo Inlet Hose Black: 02-07 Subaru WRX/04-18 STI/05-09 Legacy GT/04-13 FTX - RedThis Part Fits: Year Make Model Submodel 2004-...

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$277.77
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$277.77
$233.33
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$233.33
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$166.66
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$166.66
$139.99
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$139.99

Torque Solution Differential Brace: 02-07 Subaru WRX / 04-07 STI

Torque Solution
Low stock

Torque Solution Differential Brace: 02-07 Subaru WRX / 04-07 STIThis Part Fits: Year Make Model Submodel 2002-2007 Subaru Impreza WRX 2006-200...

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$166.66
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$166.66
$139.99
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$139.99
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$55.54
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$55.54
$46.66
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$46.66

Torque Solution 02-07 Subaru WRX/ 04-18 STI/ 04-08 FXT Map Sensor Adapter

Torque Solution
Low stock

Torque Solution 02-07 Subaru WRX/ 04-18 STI/ 04-08 FXT Map Sensor AdapterThis Part Fits: Year Make Model Submodel 2008 Subaru Forester Sports 2....

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$55.54
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$55.54
$46.66
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$46.66
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$33.32
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$33.32
$27.98
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$27.98

Torque Solution 02-07 Subaru WRX / 04-18 Subaru WRX STI Throttle Body Hose Coupler

Torque Solution
Low stock

Torque Solution 02-07 Subaru WRX / 04-18 Subaru WRX STI Throttle Body Hose CouplerThis Part Fits: Year Make Model Submodel 2008 Subaru Forester ...

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$33.32
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$33.32
$27.98
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$27.98
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$18.00
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$18.00
$13.50
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$13.50

PERRIN 04-07 Subaru STi / 06-07 WRX 22mm Rear Sway Bar Bushing

Perrin Performance
Low stock

PERRIN 04-07 Subaru STi / 06-07 WRX 22mm Rear Sway Bar Bushing

$18.00
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$18.00
$13.50
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$13.50
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$333.00
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$333.00
$249.75
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$249.75

PERRIN 02-07 Subaru WRX/STi/Impreza / 04-08 Forester Front Strut Brace - Red

Perrin Performance
Low stock

PERRIN 02-07 Subaru WRX/STi/Impreza / 04-08 Forester Front Strut Brace - Red

$333.00
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$333.00
$249.75
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$249.75
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$333.00
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$333.00
$249.75
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$249.75

PERRIN 02-07 Subaru WRX/STi/Impreza / 04-08 Forester Front Strut Brace - Hyper Pink

Perrin Performance
Low stock

PERRIN 02-07 Subaru WRX/STi/Impreza / 04-08 Forester Front Strut Brace - Hyper Pink

$333.00
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$333.00
$249.75
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$249.75
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$333.00
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$333.00
$249.75
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$249.75

PERRIN 02-07 Subaru WRX/STi/Impreza / 04-08 Forester Front Strut Brace - Black

Perrin Performance
In stock

PERRIN 02-07 Subaru WRX/STi/Impreza / 04-08 Forester Front Strut Brace - Black

$333.00
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$333.00
$249.75
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$249.75
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$197.00 - $197.00
$197.00
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$197.00

Killer B Upper Turbo Coolant Reservoir V2 Black Barbed Fittings for 02-07 WRX / 04+ STI

Killer B Motorsport
In stock

Killer B Upper Turbo Coolant Reservoir V2 Black Barbed Fittings for 02-07 WRX / 04+ STI

$197.00 - $197.00
$197.00
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$197.00
$135.00 - $135.00
$135.00
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$135.00

Kartboy 04-07 Subaru WRX STi/04-08 Subaru Forester XT Rear Swaybar Endlinks

Kartboy
In stock

Kartboy 04-07 Subaru WRX STi/04-08 Subaru Forester XT Rear Swaybar Endlinks

$135.00 - $135.00
$135.00
$135.00 - $135.00
$135.00