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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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$333.00
$333.00 - $333.00
$333.00
$249.75
$249.75 - $249.75
$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
$333.00 - $333.00
$333.00
$249.75
$249.75 - $249.75
$249.75
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$197.00 - $197.00
$197.00
$197.00 - $197.00
$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
$197.00 - $197.00
$197.00
$135.00 - $135.00
$135.00
$135.00 - $135.00
$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
$46.39 - $46.39
$46.39
$46.39 - $46.39
$46.39

K&N 04-07 Subaru STi K&N Drop In Air Filter

K&N Engineering
In stock

K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and...

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$46.39 - $46.39
$46.39
$46.39 - $46.39
$46.39
$434.50 - $434.50
$434.50
$434.50 - $434.50
$434.50

HKS 02-07 WRX/ 04-07 STi SSQV4 BOV Kit

HKS
In stock

HKS 02-07 WRX/ 04-07 STi SSQV4 BOV Kit

$434.50 - $434.50
$434.50
$434.50 - $434.50
$434.50
$1,300.00 - $1,300.00
$1,300.00
$1,300.00 - $1,300.00
$1,300.00

HKS 02-07 WRX / 04-07 STi Carbon Ti Exhaust

HKS
In stock

HKS 02-07 WRX / 04-07 STi Carbon Ti Exhaust

$1,300.00 - $1,300.00
$1,300.00
$1,300.00 - $1,300.00
$1,300.00
$693.00 - $693.00
$693.00
$693.00 - $693.00
$693.00

HKS 02-07 WRX / 04-07 STi Hiper Exhaust

HKS
In stock

HKS 02-07 WRX / 04-07 STi Hiper Exhaust

$693.00 - $693.00
$693.00
$693.00 - $693.00
$693.00
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$525.20
$525.20 - $525.20
$525.20
$472.68
$472.68 - $472.68
$472.68

GFB 02-07 WRX / 04-10 STI Deceptor Pro Blow Off Valve Kit

Go Fast Bits
Low stock

Control the sound of your BOV "ON-THE-FLY" Go on, admit it. There are times you wish you could have that signature turbo blow off sound, but you're...

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$525.20
$525.20 - $525.20
$525.20
$472.68
$472.68 - $472.68
$472.68
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$356.50
$356.50 - $356.50
$356.50
$320.85
$320.85 - $320.85
$320.85

GFB 02-07 WRX / 04-10 STI TMS Respons Blow Off Valve Kit

Go Fast Bits
In stock

If cars like yours typically suffer issues such as backfiring and stalling when using a fixed-ratio atmosphere-venting BOV, the Respons can help. B...

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$356.50
$356.50 - $356.50
$356.50
$320.85
$320.85 - $320.85
$320.85
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$339.00
$339.00 - $339.00
$339.00
$305.10
$305.10 - $305.10
$305.10

GFB 04-07 STI Short Shifter Kit

Go Fast Bits
Low stock

True to our philosophy of Performance Without Compromise, GFB's Short Shift Kits are designed with a unique linkage system that means the shift thr...

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$339.00
$339.00 - $339.00
$339.00
$305.10
$305.10 - $305.10
$305.10
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$96.00 - $96.00
$96.00
$96.00 - $96.00
$96.00

DeatschWerks 04-07 Subaru WRX/STI/Outback Sport / 04-08 Forester - 40 Micron Fuel Filter

DeatschWerks
Low stock

DeatschWerks, LLC provides high-performance fuel system solutions for the automotive aftermarket. Located in Oklahoma City, OK, DW houses all of th...

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$96.00 - $96.00
$96.00
$96.00 - $96.00
$96.00
$2,665.00 - $2,665.00
$2,665.00
$2,665.00 - $2,665.00
$2,665.00

SUBARU 04-07 STI STAGE 2+ POWER PACKAGE W/V3 Accessport

My Store
Low stock

This package includes includes everything from the Stage 2 Power Package, the Accessport V3, 3" Stainless Steel Turboback Exhaust, Stainless Steel ...

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$2,665.00 - $2,665.00
$2,665.00
$2,665.00 - $2,665.00
$2,665.00