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Now In: Subaru PerformanceSTI2008+ STI → Engine

Cosworth High Volume Intake Manifold Cosworth High Volume Intake Manifold

Order now for free...

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Regular Price: $1,069.00
 On Sale For: $1,016.00 
Quantity:   
 
Crawford Air Oil Separator Crawford Air Oil Separator

Drawing on their 35 years of racing knowledge, the Crawford Performance Closed Lo...

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Price: $362.95 
Quantity:   
 
Koyo Aluminum Radiator for WRX and STi Koyo Aluminum Radiator for WRX and STi

Regular Price: $549.00
 On Sale For: $375.00 
Quantity:   
 
Subaru OEM Thermostat Kit Subaru OEM Thermostat Kit

This is a brand NEW OEM Subaru thermostat and thermostat gasket.

Subaru Part #'s
21200AA072 & 21236AA010
...

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Regular Price: $19.38
 On Sale For: $15.50 
Quantity:   
 
Subaru Engine Block Heater Subaru Engine Block Heater

Designed for easier cold weather engine starting. Also recommended is the Battery Warmer. 400-watt, 115-volt heater.

This Block Heater will fit most Suba...

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Regular Price: $49.34
 On Sale For: $31.96 
Quantity:   
 
Cobb Access Port 2.0 Cobb Access Port 2.0

Regular Price: $695.00
 On Sale For: $595.00 
Quantity:   
 
Cobb Access Port for the 2008+ Subaru's Cobb Access Port for the 2008+ Subaru's

Quantity:   
 
Cosworth High Volume Oil Pan for the EJ205 & EJ257 Cosworth High Volume Oil Pan for the EJ205 & EJ257

We now offer FREE SHIPPING on this item!

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Regular Price: $599.00
 On Sale For: $570.00 
Quantity:   
 
Light Weight Aluminum Under Panel For 08+ WRX and STI (GRB) Light Weight Aluminum Under Panel For 08+ WRX and STI (GRB)

Helps control air flow through the engine bay. Replaces stock plastic panel. These under panels are anodized to prevent aluminum corrosion from ...

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Regular Price: $425.00
 On Sale For: $382.50 
Quantity:   
 
Perrin STI & Forester Fuel Rail Kit Perrin STI & Forester Fuel Rail Kit

Perrin STI & Forester Fuel Rail Kit
 

The PERRIN™ fuel rails represent a true advancement in boxer engine fuel delivery. ...

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Regular Price: $399.99
 On Sale For: $379.99 
 
 
Deatchwerks Injectors 565cc-1100cc Deatchwerks Injectors 565cc-1100cc

These are the same injectors demanded by many of the most discriminating Subaru tuners including Cobb.

Each set is individually tested and flow balanced in-house to within a 1...

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Price: $369.99 
Quantity:   
 
Walbro 255LPH Fuel Pump with Installation Kit Walbro 255LPH Fuel Pump with Installation Kit

This Walbro Fuel pump is a direct replacement for your factory fuel pump, a...

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Price: $102.99 
Quantity:   
 
GTSPEC Light Weight Crank Pulley For Impreza EJ20/EJ257 GTSPEC Light Weight Crank Pulley For Impreza EJ20/EJ257

7075 aluminum crank pulley for EJ20/EJ257 engine.

Weight 1.15lbs

GTSPEC Part # --- GTS-PER-1146
...

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Regular Price: $129.00
 On Sale For: $116.10 
Quantity:   
 
Cobb Lightweight Main Power Pulley Cobb Lightweight Main Power Pulley

We Now Offer Free Shipping On All COBB Parts!...

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Price: $135.00 
Quantity:   
 
Perrin Crank Pulley Perrin Crank Pulley

Weight reduction is key to making the best use of any available HP and torque. In no place on our vehicle is this more importan...

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Regular Price: $134.99
 On Sale For: $107.99 
Quantity:   
 
Kartboy Engine Pitch-Stop Mount Kartboy Engine Pitch-Stop Mount

Now with FREE SHIPPING!


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Price: $125.00 
Quantity:   
 
STI Hardened Group-N Engine and Transmission Mounts STI Hardened Group-N Engine and Transmission Mounts

These Engine and Transmission mounts are made by Subaru Technica International t...

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Regular Price: $260.96
 On Sale For: $215.00 
Quantity:    
 
Samco STI 4 Piece Silicone Intercooler hose Kit Samco STI 4 Piece Silicone Intercooler hose Kit

Improve the look of your engine bay with these top quality Samco Sport Silicone
Regular Price: $121.24
 On Sale For: $109.00 
Quantity:    
 
Samco WRX, STI, Forester XT Silicone Radiator Hoses Samco WRX, STI, Forester XT Silicone Radiator Hoses

Improve the look of your engine bay with these top quality Samco Sport Silicone hoses.  These hoses are designed to withstand much higher...

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Regular Price: $149.00
 On Sale For: $114.99 
Quantity:    
 
SPT Radiator Hose Set SPT Radiator Hose Set

Subaru Technica International designed these hoses using High-Temperature Silicon ruber to withstand the increased rigor...

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Regular Price: $333.33
 On Sale For: $316.00 
Quantity:   
 
Perrin Turbo Inlet Hose (Version 2) for WRX & STI Perrin Turbo Inlet Hose (Version 2) for WRX & STI

In Stock and Ready to Ship!
Regular Price: $229.99
 On Sale For: $205.00 
 
 
Cosworth EJ20/EJ255/EJ257 Kevlar Timing Belt Cosworth EJ20/EJ255/EJ257 Kevlar Timing Belt

In Stock and Re...

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Regular Price: $265.00
 On Sale For: $252.00 
Quantity:   
 
Subaru OEM Timing Belt for the WRX, STI, Legacy GT Subaru OEM Timing Belt for the WRX, STI, Legacy GT

Subaru requires the Timing Belt to be replaced at 105,000 miles. 
Regular Price: $149.95
 On Sale For: $119.99 
Quantity:   
 
GTSPEC Aluminum Radiator Shroud For 08+ Impreza GTSPEC Aluminum Radiator Shroud For 08+ Impreza

GTSPEC's radiator shroud blocks air from escaping through the gap between the radiator support and the radiator. This will help direc...

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Regular Price: $70.00
 On Sale For: $63.00 
Quantity:    
 
Rally Innovations Radiator Shroud for 02-09 Impreza, WRX, and STi Rally Innovations Radiator Shroud for 02-09 Impreza, WRX, and STi

Keep engine temperatures where they belong, even on the auto-x course or racetrack. Our radiator shroud has been designed to ...

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Price: $49.99 
Quantity:   
 
Kartboy Battery Tie-Down Kartboy Battery Tie-Down

Now with FREE SHIPPING!

<...

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Price: $35.00 
Quantity:   
 
Cobb Billet Battery Tie Downs Cobb Billet Battery Tie Downs

CAD designed and CNC machined from billet 6061-T6 and hard anodized for a long lasting finish. Directly replaces the factory battery tie down....

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Price: $35.00 
Quantity:   
 
Denso Iridium Plugs for STI, 05 Legacy GT, and Forester XT (OEM Temp & 1 step colder) Denso Iridium Plugs for STI, 05 Legacy GT, and Forester XT (OEM Temp & 1 step colder)

The Denso Iridium spark plug is a new generation of high-performanc...

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Regular Price: $60.00
 On Sale For: $48.00 
Quantity:   
 
NGK Iridium Plugs for the STI, 2006+ WRX, Forester XT, and Legacy GT (OEM & 1 Step Colder) NGK Iridium Plugs for the STI, 2006+ WRX, Forester XT, and Legacy GT (OEM & 1 Step Colder)

The benefits of NGK Iridium plugs are:


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Price: $32.99 
Quantity:   
 
Gizzmo Thermal Gaskets for EJ Series Engines Gizzmo Thermal Gaskets for EJ Series Engines

The Gizzmo Thermal Gasket, also known as a phenolic gasket, greatly reduces heat transfer from th...

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Price: $84.99 
Quantity:   
 
GTSPEC Oil Sensor Block Sandwich Adaptor GTSPEC Oil Sensor Block Sandwich Adaptor

Oil sandwich adapter with 2x sensor fittings.

M20 -- Fits Most Honda/Subaru/Mitsubishi
M19 -- Fits most Nissan/Toyota

Fitment for ...

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Regular Price: $68.00
 On Sale For: $61.20 
Quantity:    
 
GTSPEC Water Temperature Relocator/Adapter GTSPEC Water Temperature Relocator/Adapter

Relocates your water temperature sensor outside of the engine for aftermarket sensors and better readings. This goes in line with the radiator hose ...

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Regular Price: $28.00
 On Sale For: $25.20 
Quantity:    
 
Koyo Radiator Cap for the 02-07 WRX & STI Koyo Radiator Koyo Radiator Cap for the 02-07 WRX & STI Koyo Radiator

Regular Price: $30.00
 On Sale For: $24.99 
Quantity:   
 
Skunk2 Radiator Cap Skunk2 Radiator Cap

Currently, We are offering Free Ground Shipping on All Skunk2 products
Regular Price: $30.00
 On Sale For: $29.99 
Quantity:   
 
Subaru Gally Plug with Sensor Bung Subaru Galley Plug with Sensor Bung

This is a galley plug that has a threaded bung that can be used for an oil pressure sensor for aftermarket gauges, etc.  This galley plug wil...

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Regular Price: $9.17
 On Sale For: $7.34 
Quantity:   
 
Cusco Oil Catch Can Cusco Oil Catch Can

It is normal for a turbocharged or su...

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Price: $105.00 
Quantity:   
 
Subaru Oil Filter's Subaru Oil Filter's

These are Genuine Subaru Oil Filter's and Crush Washer's.  Why take a chance on an aftermarket filter, when you can put on...

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Price: $9.75 
Quantity:   
 
Aeroquip fire sleeve Aeroquip Firesleeve

Fire Sleeve is ideal in protecting against intense under hood heat making it the perfect solution for protecting hoses, oil and fue...

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Price: $10.70 
Quantity:   
 
Turbosmart Murray Constant Tension Hose Clamps Turbosmart Murray Constant Tension Hose Clamps

MURRAY Constant Tension CLAMPS

A constant tension stainless steel worm gear clamp designed to compensate for the effects of thermal cycling...

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Price: $12.95 
Quantity:    
 
Turbosmart Straight Cut Silicone Hose - 3 feet Turbosmart Straight Cut Silicone Hose - 3 Feet

Why use Silicone Hoses?

Silicone hoses are stronger, tougher and more flexible than ordinary rubber hoses.
Turbosmart Silicone Hoses are manufactur...

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Price: $31.95 
Quantity:   
 
Turbosmart Straight Cut Silicone Hose - Short Turbosmart Straight Cut Silicone Hose - Short

Why use Silicone Hoses?

Silicone hoses are stronger, tougher and more flexible than ordinary rubber hoses.
Turbosmart Silicone Hoses are manufactur...

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Price: $7.95 
Quantity:   
 
Turbosmart Vacuum Hose (10 feet) Turbosmart Vacuum Hose (10 feet)

Why use Silicone Hoses?

Silicone hoses are stronger, tougher and more flexible than ordinary rubber hoses.
Turbosmart Silicone Hoses a...

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Price: $15.95 
Quantity:    
 
ENEOS 0W-50 Synthetic Motor Oil ENEOS 0W-50 Synthetic Motor Oil

100% Synthetic Ultra Wide Range Motor Oil
(Racing grade / API SM ...

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Price: $60.00 
Quantity:   
 
ENEOS 5W-30 Synthetic Oil ENEOS 5W-30 Synthetic Oil

Multigrade Gasoline Engine Oil
(API SM/ILSAC GF-4 5W-30)
 
Price: $42.00 
Quantity:   
 
ENEOS 5W-40 Synthetic Oil ENEOS 5W-40 Synthetic Oil

Motor Oil for Both G...

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Price: $54.00 
Quantity:   
 
Red Line Assembly Lube 4oz Red Line Assembly Lube 4oz

Red Line Assembly Lube 4oz
 
-Three times greater film-strength than conventional black molybdenum Disulfide lubricants.
-Can be used safely with all meta...

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Price: $7.00   
 
Red Line CV-2 14oz Tub Red Line CV-2 14oz Tub

Red Line CV-2 14oz Tub
 

Synthetic High-Performance Extreme Pressure Grease


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Price: $9.75   
 
Redline CV-2 14oz Tube Redline CV-2 14oz Tube

Redline CV-2 14oz Grease Gun Tube
 

Synthetic High-Performance Extreme Pressure Grease


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Price: $9.75   
 
Redline STI Power Pack Redline STI Power Pack

Redline STI Power Pack
 
Working with various tuners, Red Line Oil developed complete synthetic oil packages for many of the world's most popular sports cars. Include...

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Price: $119.95 
Quantity:   
 
Redline 10w30 Synthetic Oil Redline 10w30 Synthetic Oil

Best all-weather viscosity grade for gasoline engines in cars and light trucks that are driven on the street on a daily basis. Reduces turbo lag and provides more power and economy while providing thi...

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Regular Price: $10.00
 On Sale For: $9.25 
Quantity:   
 
Redline 30W Race Oil Redline 30W Race Oil

Suitable in well-balanced racing engines for sustained high-speed use where low internal friction is desired. Popular in bracket engines, 355 Sprint Car engines, and World of Outlaw 410 engines....

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Regular Price: $8.95
 On Sale For: $8.49 
 
 
Redline 5w20 Synthetic Oil Redline 5w20 Synthetic Oil

The lightest multigrade street engine oil that we sell. Replacement for OE factory-fill oils in many new Ford and Honda passenger cars and light trucks. Excellent performance in weather where cold sta...

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Regular Price: $8.95
 On Sale For: $8.49 
 
 
Redline 5w30 Synthetic Oil Redline 5w30 Synthetic Oil

Provides the quickest starts and fastest oil pressure rise. Will reduce turbo lag and provides more power and best economy in an engine in good cond...

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Regular Price: $120.00
 On Sale For: $111.00 
Quantity:   
 
Redline Water Wetter Redline Water Wetter

Water Wetter is a unique wetting agent for cooling systems which reduces coolant temperatures by as much as 30...

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Regular Price: $8.95
 On Sale For: $7.50 
Quantity:   
 
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