2004 Subaru WRX Performance Engine Parts

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    • PERRIN Performance® Rotated Turbo Installation Kit
      (0 reviews)
      # 74053125
      Subaru WRX 2004, Rotated Turbo Installation Kit by PERRIN Performance®. Each Kit includes Intake system, 3" downpipe, boost tube connection for Front Mounted Intercooler, and all other parts needed for installation for those who...
      Designed to provide more horsepowerRotated turbo allows to attach to almost every aftermarket front mount intercooler
      $1,881.00
    • PERRIN Performance® Rotated Turbo Kit
      (0 reviews)
      # 73693767
      Subaru WRX 2004, Rotated Turbo Kit by PERRIN Performance®. Each Kit come pre-assembled and includes a Tial 46mm Wastegate, large 3" Intake system with MAF, 3" downpipe with built-in wastegate recirc tube, boost tube connection for...
      Designed to provide more horsepowerRotated turbo allows to attach to almost every aftermarket front mount intercooler
      $3,926.70 - $4,250.70
    • HKS® GT II Sports Turbo Kit
      (0 reviews)
      # 70193962
      Subaru WRX STI 2004, GT II Sports Turbo Kit by HKS®. Boost Pressure: 78.5 - 98.1 kPa (0.8 - 1.0 kgf/cm2). Component: GT II 7460 (49T A/R 0.67) Turbine, Upgraded Actuator, Oil Piping, Water Piping, Gaskets/Short Parts. Designed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,358.72
    • HKS® GT Sport Turbo Kit
      (0 reviews)
      # 70195877
      Subaru WRX 2004, GT Sport Turbo Upgrade by HKS®. Boost Pressure: 88.3 kPa (0.9 kgf/cm2). Turbo Size: GT2835 (56T). These kits consist of new, larger HKS GT turbos designed to bolt directly on to the stock manifold(s). Designed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $3,319.68
    • HKS® Super SQV4 Blowoff Valve Kit
      (0 reviews)
      # 70193961
      Subaru WRX / WRX STI 2004, Super SQV4 Blowoff Valve Kit by HKS®. HKS Super SQV (Sequential Blow Off Valve) uses a unique sequential valve structure and a differential pressure control system, which allows for a broad operating...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $326.27
    • CP-Carrillo® Pro-A Style Taper Blade Connecting Rod
      (0 reviews)
      # 73705533
      Subaru WRX STI 2004, Pro-A Style Taper Blade Connecting Rod by CP-Carrillo®. CC: 5.137" (130.5mm). Bolt Size: 3/8". Bolt Type: WMC. PE Width: 0.845" (21.46mm). BE Width: 0.844" (21.44mm). BE Bore: 2.1653" (55mm). Pin Size: 23mm....
      Made from high-grade materialsProvides efficient performance
      $294.00
    • CP-Carrillo® Pro-H Style Connecting Rod
      (0 reviews)
      # 73710159
      Subaru WRX STI 2004, Pro-H Style Connecting Rod by CP-Carrillo®. CC: 5.137" (130.5mm). Bolt Size: 3/8". PE Width: 0.845" (21.46mm). BE Width: 0.844" (21.44mm). BE Bore: 2.1653" (55mm). Pin Size: 23mm. Lead the way with strong Pro-H...
      Made from high-grade materialsProvides efficient performance
      $294.00 - $344.40
    • CP-Carrillo® Pro-SA Style Taper Blade Connecting Rod
      (0 reviews)
      # 73705532
      Subaru WRX STI 2004, Pro-SA Style Taper Blade Connecting Rod by CP-Carrillo®. CC: 5.137" (130.5mm). Bolt Size: 3/8". Bolt Type: WMC. PE Width: 0.845" (21.46mm). BE Width: 0.844" (21.44mm). BE Bore: 2.1653" (55mm). Pin Size: 23mm....
      Made from high-grade materialsProvides efficient performance
      $294.00
    • aFe® Pro Guard D2 Oil Filter
      (0 reviews)
      # 78883372
      Subaru WRX / WRX STI 2004, Pro Guard D2 Oil Filter by aFe®. aFe created the Pro Guard D2 Oil Filter to handle the extreme conditions typically encountered by a heavy-duty diesel truck. Inside it has a synthetic composite material...
      $14.95
    • GReddy® Sports Oil Filter
      (0 reviews)
      # 62402200
      Subaru WRX 2004, Sports Oil Filter by GReddy®. QX-04. Size (L/H): 68mm / 65mm. Thread: M20xP1.5. GReddy Sports OX Oil Filters use “double pleats” folding technology on the inner filter to provide a maximum filtration surface...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and racing lifestyle
      $15.20
    • Moroso® Oil Pump Pickup
      (0 reviews)
      # 86275010
      Subaru WRX / WRX STI 2004, Oil Pump Pickup by Moroso®. With this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. This Moroso part is specifically engineered to make your...
      $113.18
    • PERRIN Performance® Lightweight Crank Pulley
      (0 reviews)
      # 73693817
      Subaru WRX 2004, Lightweight Crank Pulley by PERRIN Performance®. A true weight savings that can be felt with every blip of the gas pedal. Lighten up your rotating engine parts to free up power. The PERRIN Performance Crank Pulley...
      Reduced weight and increased throttle response, horsepower, and torquePerfectly fits all 1993 or newer Subaru boxer engines
      $119.70
    • Fluidampr® Performance Damper
      (0 reviews)
      # 84981622
      Subaru WRX 2004, Performance Damper by Fluidampr®. A Fluidampr performance damper provides premium, broad range control of destructive crankshaft torsional vibration for optimum performance and durability. Install as an upgrade to...
      $379.35
    • PERRIN Performance® Front Mount Intercooler
      (0 reviews)
      # 73693720
      Subaru WRX / WRX STI 2004, Front Mount Intercooler by PERRIN Performance®. Swap out your overheated factory top mount intercooler for the PERRIN Front Mount Intercooler to get the most out of your vehicle . Add power and a new bold...
      Bar and plate core design for maximum durabilitySturdy steel support beams
      $819.00 - $891.00
    • AVO® Front Mount Intercooler Kit
      (0 reviews)
      # 61628512
      Subaru WRX 2004, Front Mount Intercooler Kit by AVO®. With Black Piping.
      $1,029.60
    • AVO® Top Mount Intercooler
      (0 reviews)
      # 61628500
      Subaru WRX 2004, Top Mount Intercooler by AVO®.
      $637.73
    • HKS® Intercooler Kit
      (0 reviews)
      # 70194006
      Subaru WRX / WRX STI 2004, Intercooler Kit by HKS®. Size: 600 mm x 244 mm x 65 mm. Type: S. All HKS Intercoolers improve both the efficiency and power of any turbocharged application by rapidly reducing inherent heat levels of the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,412.81
    • GReddy® Oil Cooler Kit
      (0 reviews)
      # 61628402
      Subaru WRX / WRX STI EJ205 Engine / EJ255 Engine / EJ257 Engine Standard (Manual) Transmission 2004, Oil Cooler Kit by GReddy®. Core: 10 Row. Filter: Standard. Fitting: M20xP1.5. GReddy/GREX Oil Cooler Kits help prolong the life of...
      Large O Ring AdapterIncrease Oil Capacity
      $779.00
    • Agency Power® Billet Pitch Stop Mount
      (0 reviews)
      # 15847470
      Subaru WRX 2004, Billet Pitch Stop Mount by Agency Power®. When switching from 4 lug to 5 lug hubs, the shock mounts for those wanting to use their existing shocks or coilovers will need spacers. These spacers fit in the shock...
      $120.00
    • Cusco® Motor Mount Set
      (0 reviews)
      # 61627585
      Subaru WRX 2004, Motor Mount Set by Cusco®. Engine & Transmission Mount Set Engine mount set with Transmission mount 3 pieces set (Engine x 2 & Transmission x 1).
      $312.30
    • PERRIN Performance® Engine Mount Set
      (0 reviews)
      # 84938473
      Subaru WRX 2004, Engine Mount Set by PERRIN Performance®. PERRIN Performance engine mount kits reduce drivetrain movement under hard acceleration, deceleration and corning. Allowing the most efficient transmission of all available...
      Patented interlock design for maximum reliabilityCNC machined 6061-T6 aluminum brackets
      $369.00
    • PERRIN Performance® Pitch Stop Mount
      (0 reviews)
      # 73693832
      Subaru WRX / WRX STI 2004, Pitch Stop Mount by PERRIN Performance®. Reduce drivetrain shudder under hard acceleration by installing a PERRIN Pitch Stop mount. Subaru's with power and drivetrain upgrades will need PERRIN's more...
      Reduces drivetrain movements under hard accelerationAdds power to the wheels by eliminating lost energy
      $105.30
    • Agency Power® Offset Turbo Inlet Coupler
      (0 reviews)
      # 15848592
      Subaru WRX 2004, Offset Turbo Inlet Coupler by Agency Power®. By providing you with smooth bends, larger diameter piping, and more efficient air flow design, your car will gain performance all around. Quicker turbo spool up, faster...
      Faster throttle responseAluminum
      $40.00
    • PERRIN Performance® Electronic Boost Control Solenoid
      (0 reviews)
      # 84938471
      Subaru WRX 2004, Electronic Boost Control Solenoid by PERRIN Performance®. The 3-port Electronic Boost Control Solenoid (EBCS Pro) is designed to control today's high performance turbochargers with its ultra-fast response and...
      Durable construction that can handle extreme underhood temperaturesEstimated DIT Install time: 20 minites
      $135.00
    • PERRIN Performance® Manual Boost Controller
      (0 reviews)
      # 74187451
      Subaru WRX / WRX STI 2004, Manual Boost Controller by PERRIN Performance®. The PERRIN Manual Boost Controller is a simple inline device that allows you to set your desired boost level with a few simple twists of the body. Easily...
      Allows for simple and easy boost controlBody design ensures easy adjustment
      $103.50
    • PERRIN Performance® Recirculating Blow Off Valve
      (0 reviews)
      # 73693764
      Subaru WRX 2004, Recirculating Blow Off Valve by PERRIN Performance®. Adjustable relief pressure and flow control makes fine-tuning on the fly simple and quick. With large 1.225" inlets and outlets, the PERRIN Blow Off Valve is...
      Sized to relieve any amount of boost pressureMaintains air within the boost system without reducing turbo response
      $310.50
    • PERRIN Performance® Rotated Turbo Downpipe
      (0 reviews)
      # 75117068
      Subaru WRX 2004, Rotated Turbo Downpipe by PERRIN Performance®. Designed utilizing the latest technology, this product by PERRIN features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $720.00
    • PERRIN Performance® Rotated Turbo Up-Pipe
      (0 reviews)
      # 75117074
      Subaru WRX 2004, Rotated Turbo Up-Pipe by PERRIN Performance®. Designed utilizing the latest technology, this product by PERRIN features premium quality and will perform better than advertised. Perfect for your vehicle and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $401.40
    • Turbosmart® Blow-Off Valve
      (0 reviews)
      # 31836866
      Subaru WRX / WRX STI 2004, Blow-Off Valve by Turbosmart®. Completely redesigned for 2011, this product by Turbosmart is 46% lighter and 25% smaller than the previous model. Designed to provide greater performance through faster...
      Designed for use on large-capacity turbocharger systems and high-horsepower enginesBrings maximum possible performance through faster turbo spool-up from idle and reduced turbo lag between gears
      $166.04 - $332.09
    • AVO® Adjustable Boost Actuator
      (0 reviews)
      # 62402478
      Subaru WRX 2004, Adjustable Boost Actuator by AVO®.
      $156.47
    • PERRIN Performance® Oil Cap
      (0 reviews)
      # 73693820
      Subaru WRX 2004, Oil Cap by PERRIN Performance®. Replace the yellow plastic OEM oil fill cap the sexy billet oil fill cap from PERRIN. The PERRIN Aluminum oil cap is the finishing touch to your engine bay leaving a clean and...
      Adds a touch of style to the engine bayDurable, corrosion-resistant billet aluminum construction
      $54.00
    • HKS® Hybrid Sport Oil Filter
      (0 reviews)
      # 70192984
      Subaru WRX / WRX STI 2004, Hybrid Sport Oil Filter by HKS®. Size: 68 x H65. Thread: M20 x P1.5. Compared to current aftermarket sports oil filters, this innovative product from HKS improves oil pressure drop and flow properties by...
      Designed for the ultimate in quality and performanceSignificantly improves oil pressure drop and flow properties
      $21.45
    • PERRIN Performance® Pulley Cover
      (0 reviews)
      # 73693825
      Subaru WRX 2004, Pulley Cover by PERRIN Performance®. Accessorize the top of your engine and the pulleys with this cool looking cover from PERRIN. The PERRIN Performance pulley cover is constructed of 5052 Plate aluminum with...
      Durable aluminum constructionAvailable in red or black texture powder coated finishes
      $71.10
    • PERRIN Performance® Coupler Kit
      (0 reviews)
      # 73693750
      Subaru WRX / WRX STI 2004, Coupler Kit by PERRIN Performance®. Remove your dull OEM top mount intercooler coupler and replace it with a PERRIN coupler kit and give your engine bay a touch of style. The PERRIN Performance...
      Made from a fiber reinforced 3-ply silicone tubeT-bolt clamps for reliable holding power
      $27.90
    • PERRIN Performance® Intercooler Tubes with Black Couplers
      (0 reviews)
      # 75117053
      Subaru WRX / WRX STI 2004, Intercooler Tubes with Black Couplers by PERRIN Performance®. PERRIN boost tubes are CNC mandrel bent from aluminum tubing for better weight reduction. Every boost tube has an over sized beaded end to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $819.00
    • Agency Power® Adjustable Blow-Off Valve
      (0 reviews)
      # 15847435
      Subaru WRX / WRX STI 2004, Adjustable Blow-Off Valve by Agency Power®. The blow off valve is a device that helps relieve pressure between shifts. This keeps the turbo spooled and reduces turbo lag as you go through the gears. In...
      Full T6061 CNC aluminum valveAgency Power text is engraved on the body
      $295.00
    • Cusco® Turbo Heat Shield
      (0 reviews)
      # 61628390
      Subaru WRX / WRX STI 2004, Turbo Heat Shield by Cusco®. Turbo Heat Shield For EJ20T. T=1.2mm Stainless Steel. Bolt-on. Kit comes with stainless bolts.
      $81.90
    • GReddy® Type-FV Blow Off Valve Kit
      (0 reviews)
      # 61628401
      Subaru WRX / WRX STI 2004, Type-FV Blow Off Valve Kit by GReddy®. GReddy Blow Off Valves are easily adjustable to eliminate compressor surge and preventing premature boost leakage, while increasing boost response between shifts....
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and racing lifestyle
      $346.75
    • Torque Solution® Greddy Blow Off Valve Adapter
      (0 reviews)
      # 62402671
      Subaru WRX / WRX STI 2004, Greddy Blow Off Valve Adapter by Torque Solution®. Billet Greddy Blow off Valve Adapter allows you to direct fit your blow off valve to your vehicle without any welding or modifications at all.
      $41.21 - $48.81
    • Torque Solution® Greddy Blow Off Valve and Recirc Adapter
      (0 reviews)
      # 62401952
      Subaru WRX / WRX STI 2004, Greddy Blow Off Valve and Recirc Adapter by Torque Solution®. Billet Greddy Type R/RZ/RS/S Blow off Valve Adapter allows you to direct fit your blow off valve to your Subaru TMIC without any welding or...
      $54.23
    • Torque Solution® HKS Blow Off Valve Adapter
      (0 reviews)
      # 82081180
      Subaru WRX / WRX STI 2004, HKS Blow Off Valve Adapter by Torque Solution®. Billet HKS Blow off Valve Adapter allows you to direct fit your blow off valve direct to your vehicle without any welding or modifications at all.
      $41.21 - $48.81
    • Torque Solution® Tial 50mm Blow Off Valve Adapter
      (0 reviews)
      # 82081185
      Subaru WRX / WRX STI 2004, Tial 50mm Blow Off Valve Adapter by Torque Solution®. Billet Tial 50mm Blow off Valve Adapter allows you to direct fit your blow off valve to your Subaru TMIC without any welding or modifications at all.
      $41.21 - $48.81
    • Turbosmart® Blow-Off Valve Flange Adapter Kit
      (0 reviews)
      # 24594334
      Subaru WRX / WRX STI 2004, Blow-Off Valve Flange Adapter Kit by Turbosmart®. This kit includes everything required to allow the fitment of a Turbosmart Universal Plumback, Dual Port and Supersonic BOV via quick change V-Band. The...
      Designed to allow the fitment of Turbosmart Universal Plumback, Dual Port and Supersonic BOVMade of high durable materials
      $71.02
    • AVO® 3" Turbo Inlet Pipe
      (0 reviews)
      # 62402067
      Subaru WRX / WRX STI 2004, 3" Turbo Inlet Pipe by AVO®.
      $241.29
    • AVO® Blow Off Valve
      (0 reviews)
      # 62402481
      Subaru WRX / WRX STI 2004, Blow Off Valve by AVO®.
      $230.09 - $230.10
    • Blox® Throttle Body Gasket
      (0 reviews)
      # 62402071
      Subaru WRX / WRX STI 2004, Throttle Body Gasket by Blox Racing®.
      $20.00
    • Cometic Gasket® MLS Head Gasket
      (0 reviews)
      # 62402133
      Subaru WRX 2004, MLS Head Gasket by Cometic Gasket®. Cometic MLS Gaskets are comprised of multiple layers of stainless steel providing a even load across the sealing surface. The embossed outer layers of the gaskets meet the...
      $52.76 - $86.39
    • Cometic Gasket® MLX Head Gasket
      (0 reviews)
      # 62402135
      Subaru WRX 2004, MLX Head Gasket by Cometic Gasket®. Cometic MLx Gaskets are comprized of multiple layers of stainless steel due to it's increased strength, ability to rebound and resistance to corrosion. Incorporates a locking...
      $77.99
    • Torque Solution® Cam Angle Sensor Bracket
      (0 reviews)
      # 61628483
      Subaru WRX 2004, Cam Angle Sensor Bracket by Torque Solution®. Head SwapThis part is used for mounting the cam angle sensor to the front of Non North American Spec STi cylinder heads. Perfect for adapting USDM cylinder heads to...
      $59.66
    • Torque Solution® Billet Timing Belt Guide
      (0 reviews)
      # 61627177
      Subaru WRX / WRX STI 2004, Billet Timing Belt Guide by Torque Solution®. This part is used to replace the factory thin sheet metal guide to help reduce the chances of skipping teeth on the timing belt during higher than stock RPM...
      Billet 6061 AluminumEasy Install
      $75.93
    • Cusco® Oil Catch Can
      (0 reviews)
      # 61628391
      Subaru WRX / WRX STI 2004, Oil Catch Can by Cusco®.
      $117.90
    • Torque Solution® Engine Mounts
      (0 reviews)
      # 61628481
      Subaru WRX / WRX STI EJ205 Engine / EJ255 Engine / EJ257 Engine 2004, Engine Mounts by Torque Solution®. Engine mounts you will see and feel a difference in your WRX or STi. These mounts are made out of high grade billet aluminum...
      $222.06
    • Cometic Gasket® Street Pro Complete Gasket Kit
      (0 reviews)
      # 62402154
      Subaru WRX STI EJ257 Engine 2004, Street Pro Complete Gasket Kit by Cometic Gasket®.
      $253.93
    • PERRIN Performance® Rotated Turbo Downpipe and Up-Pipe Kit
      (0 reviews)
      # 76264419
      Subaru WRX 2004, Rotated Turbo Downpipe and Up-Pipe Kit by PERRIN Performance®. Designed utilizing the latest technology, this product by PERRIN features premium quality and will perform better than advertised. Perfect for your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,128.60
    • Dayco® PowerBond™ Premium OEM Replacement Harmonic Balancer
      (0 reviews)
      # 57902390
      Subaru WRX 2004, PowerBond™ Premium OEM Replacement Harmonic Balancer by Dayco®. Whether you are a professional engine rebuilder or shade tree mechanic, this product is what you need when OE quality, fit, and function are a must....
      OE quality, fit, and function at an affordable priceSG (Spheroidal Graphite) iron casting for extra durability
      $79.48
    • Dorman® Harmonic Balancer
      (0 reviews)
      # 16608269
      Subaru WRX 2004, Harmonic Balancer by Dorman®. This is an aftermarket part that replaces factory OE # 12305AA130. Durable and sleek, Dorman Harmonic Balancers feature a stress-resistant rubber bond that withstands the damaging...
      Includes woodruff key, bolts, and washers for a complete repair (where applicable)Direct replacement to ensure proper fit
      $37.41
    • AJUSA® Engine Full Gasket Set
      (0 reviews)
      # 23012521
      Subaru WRX 2004, Engine Full Gasket Set by AJUSA®. If you need durable gaskets to prevent leaks on your vehicle, Ajusa is the way to go. Engineered using the latest technologies and global engineering resources, the gaskets meet...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $207.55 - $218.04
    • Anchor® Engine Mount
      (0 reviews)
      # 21143193
      Subaru WRX 2004, Engine Mount by Anchor®. If you feel vibration accompanied by unusual noise when driving, this can be the sign of a bad engine mount. Replace it with a mount from the leading aftermarket supplier, Anchor....
      Direct OEM replacementSecurely supports the engine on the chassis
      $19.44 - $37.99
    • Beck Arnley® Mount
      (0 reviews)
      # 36253728
      Subaru WRX 2004, Mount by Beck Arnley®. For one hundred years, Beck/Arnley has been providing premium OE quality parts for vehicles. Beginning with motorcycle parts in 1914 and transitioning to import vehicles in the 1950’s,...
      OE quality products from top original equipmentTop quality materials
      $64.41
    • Westar® Front Engine Mount
      (0 reviews)
      # 22596832
      Subaru WRX 2004, Front Engine Mount by Westar®. Engineered to minimize vibration from the engine. This engine mount will make sure your engine runs quietly and does not rattle when started and while driving.
      Build with quality that matches or exceeds OEM SpecificationsPerfect fit
      $30.21




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    Popular Products

    2004 Subaru WRX Performance Engine Parts Reviews

    Average rating:  5  5 - 7 reviews
    4.5 of 5
    Amazing Turbo
    This product is amazing. It's made of good materials, no shaft play, I am pleased with my new turbo. I've noticed the difference in sound and power, especially when you floor acceleration pedal. Installation was easy. I would highly suggest this product to anyone who is considering it.
    DPosted by D (Brooklyn, NY) /
    Was this review helpful for you? Yes
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    2004 Subaru WRX Models
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