2003 Subaru WRX Performance Engine Parts

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    • PERRIN Performance® Rotated Turbo Installation Kit
      (0 reviews)
      # 74053122
      Subaru WRX 2003, 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)
      # 73693661
      Subaru WRX 2003, 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 Sport Turbo Kit
      (0 reviews)
      # 70194005
      Subaru WRX With GDB Chassis 2003, GT Sport Turbo Kit 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 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 2003, 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 range from low...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $326.27
    • GReddy® Sports Oil Filter
      (0 reviews)
      # 61618847
      Subaru WRX 2003, 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 2003, 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)
      # 73693643
      Subaru WRX 2003, 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)
      # 61627151
      Subaru WRX 2003, 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...
      $364.18
    • PERRIN Performance® Front Mount Intercooler
      (0 reviews)
      # 73693637
      Subaru WRX 2003, 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 look all...
      Bar and plate core design for maximum durabilitySturdy steel support beams
      $819.00 - $891.00
    • AVO® Front Mount Intercooler Kit
      (0 reviews)
      # 61628346
      Subaru WRX 2003, Front Mount Intercooler Kit by AVO®. With Black Piping.
      $1,029.60
    • AVO® Top Mount Intercooler
      (0 reviews)
      # 61628341
      Subaru WRX 2003, Top Mount Intercooler by AVO®.
      $637.73
    • HKS® Intercooler Kit
      (0 reviews)
      # 70194006
      Subaru WRX 2003, 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 compressed...
      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 2003, 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 2003, 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 2003, 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)
      # 73692866
      Subaru WRX 2003, 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)
      # 73693651
      Subaru WRX 2003, 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 aggressive...
      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 2003, 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® EBCS Pro Boost Control Solenoid
      (0 reviews)
      # 73692832
      Subaru WRX 2003, EBCS Pro 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 2003, 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 adjusted by...
      Allows for simple and easy boost controlBody design ensures easy adjustment
      $103.50
    • PERRIN Performance® Recirculating Blow Off Valve
      (0 reviews)
      # 73693658
      Subaru WRX 2003, 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)
      # 75117047
      Subaru WRX 2003, 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)
      # 75117049
      Subaru WRX 2003, 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)
      # 31836856
      Subaru WRX 2003, 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 turbo...
      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)
      # 62401595
      Subaru WRX 2003, Adjustable Boost Actuator by AVO®.
      $156.47
    • PERRIN Performance® Oil Cap
      (0 reviews)
      # 73693646
      Subaru WRX 2003, 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 2003, 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)
      # 73693655
      Subaru WRX 2003, 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)
      # 73693626
      Subaru WRX 2003, 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 intercooler coupler...
      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)
      # 75117044
      Subaru WRX 2003, 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 ensure the...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $819.00
    • Agency Power® Adjustable Blow-Off Valve
      (0 reviews)
      # 15848375
      Subaru WRX 2003, 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 addition,...
      Full T6061 CNC aluminum valveAgency Power text is engraved on the body
      $295.00
    • Cusco® Turbo Heat Shield
      (0 reviews)
      # 61628390
      Subaru WRX 2003, 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 2003, 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)
      # 62401948
      Subaru WRX 2003, 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 2003, 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)
      # 82081174
      Subaru WRX 2003, 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)
      # 82081178
      Subaru WRX 2003, 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)
      # 24594330
      Subaru WRX 2003, 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 products...
      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)
      # 62401615
      Subaru WRX 2003, 3" Turbo Inlet Pipe by AVO®.
      $241.29
    • AVO® Blow Off Valve
      (0 reviews)
      # 62401598
      Subaru WRX 2003, Blow Off Valve by AVO®.
      $230.09 - $230.10
    • Blox® Throttle Body Gasket
      (0 reviews)
      # 61628348
      Subaru WRX 2003, Throttle Body Gasket by Blox Racing®.
      $20.00
    • Cometic Gasket® 0.041" MLX Head Gasket
      (0 reviews)
      # 62401665
      Subaru WRX 2003, 0.041" MLX Head Gasket by Cometic Gasket®. Compressed Thickness: 0.041". Cometic MLx Gaskets are comprized of multiple layers of stainless steel due to it's increased strength, ability to rebound and resistance to...
      $77.99
    • Cometic Gasket® MLS Head Gasket
      (0 reviews)
      # 62401653
      Subaru WRX 2003, 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
    • Torque Solution® Cam Angle Sensor Bracket
      (0 reviews)
      # 61628483
      Subaru WRX 2003, 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 2003, 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 use. A must...
      Billet 6061 AluminumEasy Install
      $75.93
    • Cusco® Oil Catch Can
      (0 reviews)
      # 61628391
      Subaru WRX 2003, Oil Catch Can by Cusco®.
      $117.90
    • Torque Solution® Engine Mounts
      (0 reviews)
      # 61628481
      Subaru WRX EJ205 Engine / EJ255 Engine / EJ257 Engine 2003, 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 material...
      $222.06
    • PERRIN Performance® Rotated Turbo Downpipe and Up-Pipe Kit
      (0 reviews)
      # 76264410
      Subaru WRX 2003, 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 2003, 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 2003, 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
    • Ishino® Engine Gasket Set
      (0 reviews)
      # 8287299
      Subaru WRX 2.0L 2003, Engine Gasket Set by Ishino®. Note: Spark Plug Seals not included please order 4 13293 AA051 separately.Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK...
      $319.71
    • Beck Arnley® Mount
      (0 reviews)
      # 36253702
      Subaru WRX 2003, 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 2003, 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
    • ACDelco® Professional™ Engine Oil Filter
      (0 reviews)
      # 69638191
      Subaru WRX 2003, Professional™ Engine Oil Filter by ACDelco®. Outstanding filter capacity, enhanced efficiency, consistent flow management and high-durability design help provide exceptional filtering performance. 98 percent...
      Excellent filter capacity, efficiency, flow management, and durabilityTight seals prevent unfiltered oil from entering your engine
      $5.76
    • Beck Arnley® Oil Filter
      (0 reviews)
      # 35812477
      Subaru WRX 2003, Oil Filter by Beck Arnley®. RB-Replaces: 041-8074. 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...
      OE quality products from top original equipmentTop quality materials
      $9.10
    • FRAM® High Mileage™ Oil Filter
      (0 reviews)
      # 18677464
      Subaru WRX 2003, High Mileage™ Oil Filter by FRAM®. Inlet Diameter: 20mm x 1.5mm Thread; Overall Diameter: 3.02"; Height: 3.39". 1 Piece. This Full-Flow Spin-On filter helps to extend the service life of High Mileage vehicles...
      Ensures extreme engine protection and oil filtration for older high mileage vehiclesContains time-released additives to maintain protection throughout oil life
      $9.23
    • FRAM® Tough Guard™ Oil Filter
      (1 reviews)
      # 18677526
      Subaru WRX 2003, Tough Guard™ Oil Filter by FRAM®. Inlet Diameter: 20mm x 1.5mm Thread; Overall Diameter: 3.02"; Height: 3.39". 1 Piece. This filter is designed to ensure maximum protection to your engine under any driving...
      Ensures extreme engine protection and oil filtrationDesigned for Premium Conventional and Synthetic Blend Motor Oil
      $8.57
    • FRAM® Ultra Synthetic™ Oil Filter
      (0 reviews)
      # 18677524
      Subaru WRX 2003, Ultra Synthetic™ Oil Filter by FRAM®. Inlet Diameter: 20mm x 1.5mm Thread; Overall Diameter: 3.02"; Height: 3.39". 1 Piece. Engineered for maximum engine protection without affecting oil flow this full-flow...
      Designed for Full-Flow oil filtrationFor use with synthetic oil
      $10.72
    • Hastings® Spin-on Oil Filter
      (0 reviews)
      # 21463425
      Subaru WRX 2003, Spin-on Oil Filter by Hastings®. 1 Piece. This filter traps contaminants from the oil minimizing the possibility of costly engine repairs. To prevent any leaks, it comes with a nitrile gasket that withstands...
      Protects the engine from damaging contaminantsExcels in both contaminant removal efficiency and contaminant holding capacity
      $9.22
    • WIX® Spin-On Lube Filter
      (0 reviews)
      # 67753931
      Subaru WRX 2003, Spin-On Lube Filter by WIX®. Oil is the life-blood of an engine, which means the oil filter should never be taken for granted, especially in harsh heavy-duty environments. The small price maintenance teams must pay...
      Filters oil by trapping particles from entering the engineHighly durable and reliable
      $8.04 - $9.61




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    Popular Products

    2003 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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