04-07 STI

Kinetic Autoworks KA500 EJ25 Shortblock

Our most popular Subaru EJ25 Shortblock package. Using only the best components, we assemble a...

$3,149.00
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Cobb Tuning Subaru Rear Shifter Bushing

The popular COBB Subaru Rear Shifter Stay Bushing kit is the final piece of the...

$35.00
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Cobb Tuning Subaru 6-Speed Front Shifter Bushing

The popular COBB Subaru 6-Speed Front Shifter Bushing is a direct replacement the soft rubber...

$40.00
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Cobb Tuning Subaru 6-Speed COBB Knob

The COBB Knob is designed to keep those extended shifting sessions exhilarating. The billet aluminum...

$70.00
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Cobb Tuning Subaru 6-Speed Double Adjustable Short Throw Shifter

Designed using CAD technology, the COBB Blue anodized billet shifter body is CNC machined from...

$175.00
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Cobb Tuning Subaru SS 2" Uppipe 02-14 WRX / 04+ STI

The COBB Tuning Uppipe is constructed of rugged, 14-gauge, 2-inch diameter polished stainless steel tubing...

$215.00
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Cobb Tuning Adjustable IWG Bracket - Short

The COBB Tuning Adjustable IWG Bracket is the first of its kind, and the most...

$39.00
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Cobb Tuning Subaru Post MAF Hose - Stealth Black

The 4-ply silicone construction has the right compliance to bridge the chassis mounted airbox to...

$75.00
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Cobb Tuning Subaru High Flow Filter for 02-07 Subaru WRX / STi

COBB High Flow Filters are designed to permit very high flow rates, minimize restriction, maximize...

$59.00
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Cobb Tuning Subaru Front Mount Intercooler Cold Pipes STI / WRX 2004-2007

These are the pipes that connect the throttle body to the driver's side end tank...

$295.00
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Cobb Tuning Subaru Front Mount Intercooler Hot Pipes STI / WRX 2004-2007

These are the pipes that connect the turbocharger compressor to the passenger side of the...

$285.00
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Cobb Tuning Subaru Front Mount Intercooler Core STI / WRX 2004-2007

This is a core-only option for those looking to increase the cooling capacity of their...

$895.00
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Cobb Tuning Subaru Battery Tie Down - Stealth Black

A little under hood style goes a long way at local meets and car shows....

$55.00
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Cobb Tuning Subaru Oil Cap - Stealth Black

The COBB Tuning Subaru Oil Cap brings a bit of class to your engine bay....

$75.00
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Cobb Tuning Subaru Delrin Oil Cap

The COBB Delrin Oil Cap's construction of pure medical-grade black Delrin means it does not...

$75.00
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Cobb Tuning COBB 1.3 Bar Radiator Cap

Keep your engine cool by upgrading to the COBB 1.3 Bar Radiator Cap This higher...

$25.00
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Cobb Tuning COBB 1.1 Bar Coolant Reservoir Cap

Keep your engine cooler by upgrading to the COBB 1.1 Bar Coolant Reservoir Cap. This...

$25.00
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Cobb Tuning Subaru Coolant Overflow Tank with Washer Fluid Relocation Kit STI / WRX 2004-2007

This is the same Coolant Overflow Tank + Washer Reservoir filler combo that is included...

$200.00
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Cobb Tuning Subaru Air/Oil Separator WRX 2006-2007, STI 2004-2007

The COBB Air/Oil Separator is placed within your Subarus crankcase ventilation system and helps to...

$450.00
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Cobb Tuning COBB Subaru 4 Bar MAP Sensor

The COBB Subaru 4-Bar MAP Sensor is a direct replacement of the factory piece and...

$115.00
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Cobb Tuning Subaru BPV Adapter for FMIC WRX 2002-2007, STI 2004-2018

This adapter can be used to mount a standard Subaru BPV to a 1" universal...

$55.00
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Cobb Tuning Subaru Accessport V3 (AP3-SUB-002)

Simple ECU flashing with gauge package! The new in-cabin mountable Accessport V3 has a large,...

$650.00
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Radium Engineering 08-14 Subaru WRX/STI and 15+ STI Dual Catch Can Kit

Click here to download installation instructions 20-0208-02 Mounting Compatibility 02-07 Impreza WRX02-07 Impreza WRX STi04-08 Forester...

$439.95 $417.95
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Wiseco Subaru EJ257 WRX/STI 4v Dish -19cc Piston Shelf Stock Kit

Wiseco sport compact piston and ring kits give you stronger pistons and tighter tolerances than...

$576.00
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Wiseco Subaru EJ20/EJ25 Turbo 130.5mm - BoostLine Connecting Rod Kit

Introducing BoostLine Connecting Rods by Wiseco Performance Products! Our engineering team created this new, patent-pending...

$640.00
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Subaru OEM STi Forged Nitrate Treated Crankshaft

This crankshaft from Subaru is their latest and greatest factory EJ crankshaft. The crank is...

$381.56
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Subaru OEM 2.5L Block Halves - Subaru STI

For those of you who sent a piston through the hood of your vehicle, don't...

$1,104.23
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Subaru OEM 11mm Oil Pump (Subaru EJ20 / EJ25)

This is the same oil pump that came stock on the 2008 STI. This will...

$194.95
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Racecomp Engineering Lowering Springs "Yellows" for 02-07 WRX/STI

The highly anticipated Super Sport Street/Track Springs, an OEM replacement spring for 2004-2007 Subaru WRX...

$349.00
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Racecomp Engineering Lowering Springs "Blacks" for 02-07 WRX/STI

The RCE “Regular Guy” Black springs are intended for both the daily driven street driver...

$349.00
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Racecomp Engineering Adjustable Upper Strut Mounts (Rear) for 02-07 WRX/STI

The development of new parts is non-stop at RaceComp Engineering (RCE), catering to both new...

$419.00
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Racecomp Engineering Adjustable Upper Strut Mounts (Front) for 02-07 WRX/STI 10-14 LGT

The development of new parts is non-stop at RaceComp Engineering (RCE), catering to both new...

$419.00
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Perrin Performance Wing Stabilizer 04-07 STI Black

The PERRIN STI Wing Stabilizer reduces flex and bounce in your wing while adding WRC...

$54.00 $48.60
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Perrin Performance Wheel Spacers 20mm DRM Style for 05-17 STI or 5-114.3, 56mm Hub Black Anodized

PERRIN Wheel Spacers move your wheels and tires outwards so they are more flush with...

$176.00 $158.40
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Perrin Performance Wheel Spacers 15mm DRS Style for 05-17 STI or 5-114.3, 56mm Hub Black Anodized

PERRIN Wheel Spacers move your wheels and tires outwards so they are more flush with...

$176.00 $158.40
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Perrin Performance Up-Pipe 2" For All Turbo Subaru's "Big Tube"

PERRIN has been known since our inception for the quality of our up-pipe. The PERRIN...

$273.00 $245.70
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Perrin Performance Up-Pipe 1.75" For All Turbo Subaru's

PERRIN has been known since our inception for the quality of our up-pipe. The PERRIN...

$273.00 $245.70
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Perrin Performance Tranny Mount for WRX/ STI

The PERRIN Transmission Mount reduces drive train movement under hard acceleration, deceleration, and cornering.

$290.00 $261.00
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Perrin Performance Steering Rack Lockdown for 05-14 WRX/STI

The PERRIN Steering Rack Lockdown increases driver feedback & steering feel while reducing sloppy steering...

$62.00 $55.80
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Perrin Performance Short Shifter Adapter 6sp 2004-2017 STI w/Shifter Bushings

The PERRIN Short Shifter Adapter for 2004-2018 STI uses a unique way of shortening your...

$87.00 $78.30
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Perrin Performance Shifter Bushings Sti / 6Spd

PERRIN Bushings eliminate the sloppy feeling during quick gear changes, giving the driver a more...

$29.50 $26.55
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Perrin Performance Shift Knob Small Weighted SS STI/WRX 6spd

Improve your interior styling and shifting action with a heavyweight brushed stainless steel PERRIN Shift...

$110.00 $99.00
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Perrin Performance Shift Knob Large Weighted SS STI/WRX 6spd

Improve your interior styling and shifting action with a heavyweight brushed stainless steel PERRIN Shift...

$110.00 $99.00
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Perrin Performance Rotated Turbo Tuner Kit 02-07 WRX/STI Red intake

The Rotated Turbo Tuner kit is designed around the customer who already may have a...

$1,450.00 $1,305.00
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Perrin Performance Rotated Turbo Tuner Kit 02-07 WRX/STI Black intake

The Rotated Turbo Tuner kit is designed around the customer who already may have a...

$1,450.00 $1,305.00
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Perrin Performance Recirculating BOV Red For 02-07 WRX & 04-17 STI

Adjustable relief pressure and flow control makes fine-tuning on the fly simple and quick with...

$345.00 $310.50
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