Subaru - 2004-2005 STI - Intake - Air Induction - Low Boost Performance

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K&N
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sku: 33-2232

K&N 02-07 WRX/STi Drop In Air Filter 11in O/S Length / 6.563in O/S Width / 1.063in Height

MSRP:

Now: $64.99

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K&N
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sku: 33-2075

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

MSRP:

Now: $54.99

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Killer B Motorsport
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sku: TIEJC84

Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet

MSRP:

Now: $39.00

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Injen

Injen 04-07 STi / 06-07 WRX 2.5L Cold Air Intake

MSRP:

Now: $363.80

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Injen

Injen 02-07 WRX (No Wagon) / 04 STi Cold Air Intake

MSRP:

Now: $356.20

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IAG
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sku: IAG-AFD-1100

IAG Performance BIG MAF Intake for 2002-07 Subaru WRX / STI

MSRP:

Now: $249.99

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Injen

Injen 02-07 WRX/STi Short Ram Intake

MSRP:

Now: $232.70

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Process West
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sku: PWCAI03

Process West Cold Air Intake - Subaru WRX/STI 2002-2007 / Forester XT 2004-2007

MSRP:

Now: $297.00

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Process West
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sku: PWCAI05

Process West Cold Air Intake 72mm Big MAF - Subaru WRX/STI 2002-2007

MSRP:

Now: $363.00

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ETS - Extreme Turbo Systems

ETS 04-07 SUBARU STI TITANIUM INTAKE KIT

MSRP:

Now: $495.00

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GrimmSpeed

GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete)

MSRP:

Now: $80.00

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COBB
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sku: 712010-BK

COBB SUBARU POST MAF HOSE

MSRP:

Now: $85.00

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COBB
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sku: 712160

COBB SUBARU SF AIRBOX 2002-2007 WRX, 2004-2007 STI, 2004-2008 FXT

MSRP:

Now: $185.00

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COBB
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sku: SUB00001IA

COBB SUBARU INTAKE + AIRBOX STI 2004-2007, WRX 2002-2007, FXT 2004-2008

MSRP:

Now: $475.00

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COBB
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sku: 712101

COBB SUBARU AND MAZDA SF INTAKE REPLACEMENT FILTER

MSRP:

Now: $60.00

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GrimmSpeed
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sku: 053001.

GRIMMSPEED MAF BLOCK OFF - WRX/STI/LGT/FXT

MSRP:

Now: $42.00

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COBB
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sku: 613X01P

COBB TUNING 06-07 WRX, 04-07 STI, 04-06 FXT STAGE 1+ POWER PACKAGE W/V3

MSRP:

Now: $1,095.00

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GrimmSpeed

GrimmSpeed Cold Air Intake 02-07 Subaru WRX / 04-07 STI / 04-08 Forester XT

MSRP:

Now: $349.00

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COBB
|
sku: 712100

COBB SUBARU SF INTAKE SYSTEM 2002-2007 WRX / STI

MSRP:

Now: $265.00

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K&N
|
sku: 33-2232

K&N 02-07 WRX/STi Drop In Air Filter 11in O/S Length / 6.563in O/S Width / 1.063in Height

K&N 02-07 WRX/STi Drop In Air Filter 11in O/S Length / 6.563in O/S Width / 1.063in Height K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been designing, manufacturing, and...

MSRP:

Now: $64.99
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K&N
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sku: 33-2075

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

K&N 04-07 Subaru STi K&N Drop In Air Filter K&N Replacement High-Flow Air Filters are The Original High-Flow Air Filter. Since 1969 K&N Engineering has been designing, manufacturing, and enhancing High-Flow Air Filters for the automotive...

MSRP:

Now: $54.99
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Killer B Motorsport
|
sku: TIEJC84

Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet

Killer B FP 84mm to 3in Coupler For Killer B Motorsport Extreme Flow HARD Turbo Inlet FP 84mm to 3 inch coupler for the Killer B Motorsport Extreme Flow HARD Turbo Inlet Vehicle Fitment 2004-2018 STi, 2012+ BRZ and FR-S, 2007 Legacy SpecB, 2015+ WRX,...

MSRP:

Now: $39.00
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Injen

Injen 04-07 STi / 06-07 WRX 2.5L Cold Air Intake

Injen 04-07 STi / 06-07 WRX 2.5L Cold Air Intake Is your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine to...

MSRP:

Now: $363.80
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Injen

Injen 02-07 WRX (No Wagon) / 04 STi Cold Air Intake

Injen 02-07 WRX (No Wagon) / 04 STi Cold Air Intake Add some easy horsepower to your Ride with this RD Series Performance cold air intake (CAI) from Injen Technology! The engineers at Injen have spent considerable amounts of time designing, testing, and...

MSRP:

Now: $356.20
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IAG
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sku: IAG-AFD-1100

IAG Performance BIG MAF Intake for 2002-07 Subaru WRX / STI

IAG Performance BIG MAF Intake for 2002-07 Subaru WRX / STI features mandrel bent aluminum piping and K&N Filter. Requires tuning.Includes: K&N Cone Filter Silicone Transition Hose & Hose Clamps 3" O.D. Polished Aluminum Piping w/ MAF Sensor...

MSRP:

Now: $249.99
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Injen

Injen 02-07 WRX/STi Short Ram Intake

Injen 02-07 WRX/STi Polished Short Ram Intake The Injen IS Series is a traditional, underhood intake system that is placed in the stock location of the factory air-box system. Each system is built from 6061, T-6 aluminum alloy to ensure the lightest...

MSRP:

Now: $232.70
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Process West
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sku: PWCAI03

Process West Cold Air Intake - Subaru WRX/STI 2002-2007 / Forester XT 2004-2007

The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC...

MSRP:

Now: $297.00
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Process West
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sku: PWCAI05

Process West Cold Air Intake 72mm Big MAF - Subaru WRX/STI 2002-2007

The Process West Cold Air Intake is perfect for gaining more power from your EJ Subaru, not to mention the sound! The Cold Air Intake Kit is designed to replace the factory air intake and allow for a less restrictive airflow. Made of lightweight CNC...

MSRP:

Now: $363.00
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ETS - Extreme Turbo Systems

ETS 04-07 SUBARU STI TITANIUM INTAKE KIT

World Record Proven Performance in the Subaru market. The ETS 04-07 Subaru STI Intake Kit locates the filter in the fender well out of the engine bay. This makes for not only the coldest air possible but the most air possible. Our Extreme Turbo Systems...

MSRP:

Now: $495.00
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GrimmSpeed

GrimmSpeed Post MAF Hose Kit - 02-14 WRX/STI, 18-20 STI (15-17 STI w/OEM Sound Tube Delete)

Add a touch of class to your bay! Some OE parts look passable and others miss the mark. In the case of the factory post MAF hose, the quicker you can get it out of your bay, the better. We’ve now got you covered with The GrimmSpeed Post MAF Hose...

MSRP:

Now: $80.00
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COBB
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sku: 712010-BK

COBB SUBARU POST MAF HOSE

The 4-ply silicone construction has the right compliance to bridge the chassis mounted airbox to the violent motion of a boxer engine being driven in anger, while the steel reinforcement prevents collapse when the turbo is drawing maximum vacuum at...

MSRP:

Now: $85.00
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COBB
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sku: 712160

COBB SUBARU SF AIRBOX 2002-2007 WRX, 2004-2007 STI, 2004-2008 FXT

Cobb 2002-2007 Subaru WRX SF Airbox Kit The SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot...

MSRP:

Now: $185.00
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COBB
|
sku: SUB00001IA

COBB SUBARU INTAKE + AIRBOX STI 2004-2007, WRX 2002-2007, FXT 2004-2008

Cobb 04-07 Subaru STi / 02-07 WRX / 04-08 FXT Intake + Airbox 1 x cobb712100 Cobb 02-07 WRX/STi Black SF Intake 1 x cobb712010-BK Cobb Subaru Post MAF Hose - Stealth Black 1 x cobb712160 Cobb 2002-2007 Subaru WRX SF Airbox Kit This C.A.R.B. approved...

MSRP:

Now: $475.00
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COBB
|
sku: 712101

COBB SUBARU AND MAZDA SF INTAKE REPLACEMENT FILTER

Cobb WRX/STi Black SF Intake REPLACEMENT FILTER ONLY - NOT A COMPLETE INTAKE DESCRIPTION The filter element that originally came with your SF Intake is cleanable and can be reused for the life of your car. However, should your filter element...

MSRP:

Now: $60.00
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GrimmSpeed
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sku: 053001.

GRIMMSPEED MAF BLOCK OFF - WRX/STI/LGT/FXT

When you upgrade your Subaru to a Blow Through System you will need a way to block off the location where the old MAF Sensor was located, well GrimmSpeed™ has the answer. GrimmSpeed™ MAF Block Off Plate allows you to do just that! Compact...

MSRP:

Now: $42.00
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COBB
|
sku: 613X01P

COBB TUNING 06-07 WRX, 04-07 STI, 04-06 FXT STAGE 1+ POWER PACKAGE W/V3

This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive Order (EO)...

MSRP:

Now: $1,095.00
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GrimmSpeed

GrimmSpeed Cold Air Intake 02-07 Subaru WRX / 04-07 STI / 04-08 Forester XT

GrimmSpeed Cold Air Intake - Red or Black - 2002-07 Subaru WRX/STI, 2004-08 Subaru Forester XT Finally a GD intake with the looks to match its performance. It’s no secret that GrimmSpeed intakes feature performance and aesthetics that lead the pack...

MSRP:

Now: $349.00
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COBB
|
sku: 712100

COBB SUBARU SF INTAKE SYSTEM 2002-2007 WRX / STI

Cobb 02-07 WRX/STi Black SF Intake This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the manufacturer's application guide because it has a California Air Resources Board (CARB) Executive...

MSRP:

Now: $265.00
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