2013 Subaru WRX Performance Air Intake Systems

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    • (0 reviews)
      # 73903662
      Subaru WRX 2458 CC 2013, 69 Series Typhoon Cold Air Intake System by K&N®. Replacement Filter # RP-5113. Use with Pre-Filter # RU-5147DK. Air Filter Height: 5.625" (143 mm). Air Filter Large End Diameter: 6.5" (165 mm). Air Filter...
      Guaranteed to increase horsepower and improve accelerationCustom designed and engineered for each application
      $300.99 - $323.99
    • (4 reviews)
      # 98828819
      Subaru WRX STI Base 2.5L 2013, SP Series Cold Air Intake System by Injen®. HP Gain: +33.2 hp. Torque Gain: +31.2 lbs. x ft. Includes: X-1013 Filter. The SP Series Cold Air Intake System is made for the enthusiast who wants maximum...
      Delivers more oxygen to the combustion chamber by drawing in cooler airUses the patented MR Technology tuning process to ensure the air/fuel ratio is within optimum limits
      $284.73
    • (0 reviews)
      # 108343611
      Subaru WRX / WRX STI 2457 CC / 2458 CC 2013, Metal Wrinkle Red Cold Air Intake System by AEM®. Replacement Filter # 21-2029DK. Use with Pre-Filter # 1-4001. Tube Material: Metal. Tube Finish: Wrinkle Red. Estimated Horsepower Gain:...
      Delivers more oxygen to the combustion chamber by drawing in cooler airCustom designed and engineered to deliver maximum power for each specific vehicle
      $259.99
    • (0 reviews)
      # 94683401
      Subaru WRX STI Base 2013, Carbon Fiber Cold Air Intake Kit by Agency Power®. The Agency Power is made for the enthusiast who wants maximum horsepower from a tuned cold air intake system. This cold air system positions a high-flow...
      $500.00
    • (0 reviews)
      # 94683418
      Subaru WRX STI Base 2013, Carbon Fiber Short Ram Intake Kit by Agency Power®. The Agency Power is made for the enthusiast who wants maximum horsepower from a tuned cold air intake system. This cold air system positions a high-flow...
      $408.33
    • (0 reviews)
      # 62404504
      Subaru WRX 2013, Cold Air Box Kit by AVO®.
      $155.00
    • (0 reviews)
      # 99018102
      Subaru WRX / WRX STI Base 2.5L 2013, Cold Air Intake by HPS®. The system is designed to replace your stock restrictive air box and relocate air filter outside the engine bay for maximum amount of the coolest air. The part delivers...
      Designed for increased performanceEnsures more horsepower and improved acceleration
      $234.65
    • (0 reviews)
      # 99018107
      Subaru WRX / WRX STI Base 2.5L 2013, Short Ram Air Intake with Heat Shield by HPS®. Makes for more power throughout your vehicle's full RPM range utilizing mandrel-bent piping and K&N washable/reusable high flowing air filter,...
      Delivers dyno-proven performance gainsEnsures more horsepower and improved acceleration
      $171.48
    • (0 reviews)
      # 93146728
      Subaru WRX 2013, Performance Aluminum Cold-Air Intake by Mishimoto®. Provide maximum, unrestricted airflow with the Mishimoto Performance Race Intake. Mishimoto pulled out all of the stops with this intake, featuring a 3" short-ram...
      Installs in under 30 minutesLarger diameter intake pipe for large turbochargers and more aggressive engine tunes
      $186.34 - $299.97
    • (0 reviews)
      # 103805888
      Subaru WRX 2013, Attack Cold Air Stage 2 Polished Intake System by Takeda®. Filter Series: Pro Dry S. HP Gain: +34 hp. TQ Gain: +31 lbs. x ft. Includes: Air Filter, Aluminum Tube, Couplers, Hardware. This system is for the...
      Custom designed for each applicationDelivers more oxygen to the combustion chamber by drawing in cooler, denser air
      $295.00
    • (0 reviews)
      # 97200666
      Subaru WRX STI 2013, Premium Suction Kit by HKS®. Size: Type 1. Includes: Aluminum Suction Pipe, HKS Silicon Hose, Bead Type Hose Band, Super Hybrid Filter, Gold Metal Logo Sticker. Aluminum suction pipe and Super Hybrid Filter...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $413.00
    • (0 reviews)
      # 70195992
      Subaru WRX 2013, Racing Suction Reloaded Kit by HKS®. Element Size: 200 mm. Inlet Size: 80 mm. Included in each kit is HKS Reloaded filter with its patented Super-Funnel and new technical advances: Filter cage allows for 30% more...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $313.88
    • (0 reviews)
      # 73694356
      Subaru WRX 2013, Cold Air Intake by PERRIN Performance®. Add horsepower and style under your hood with a PERRIN Cold Air Intake. The PERRIN Intake has been designed with proper MAF alignment and tubing size to maintain proper air...
      Designed to add 15-30 whp to your vehicleCARB approved
      $278.10
    • (3 reviews)
      # 124920000
      Subaru WRX / WRX STI 2457 CC / 2458 CC 2013, 33 Series Panel Air Filter by K&N®. Filter Material: Cotton Gauze. Filter Re-Oiling Amount: 1.06 oz (31 ml). Height: 0.938" (24 mm). Outside Length: 8.75" (222 mm). Outside Width: 8.563"...
      Improves engine airflowIncreases horsepower and acceleration
      $48.99
    • (0 reviews)
      # 93989289
      Subaru WRX 2013, Power Intake Panel Filter by APEXi®. Air Filter Color: Red. Air Filter Shape: Panel. Some manufacturers of performance air filters make aggressive claims about their filter's ability to make power, but leave out...
      Progressive-density filter element improves power and efficiency, without compromising ability to filter dust and dirtDry-type filter element requires no oiling, and will not foul air flow sensors
      $46.04
    • (0 reviews)
      # 62404510
      Subaru WRX 2013, Power Air Filter Kit by AVO®.
      $210.00
    • (1 review)
      # 56295893
      Subaru WRX 2013, Factory Replacement Air Filter by GREEN FILTER®. Replace your factory air cleaner filter element with a Green Filter oiled-cotton filter and never buy another filter as long as you own your vehicle. Enjoy superior...
      Cleanable, reusable filter element will outlast your carTraps particles as small as 5 microns
      $45.10
    • (0 reviews)
      # 70196001
      Subaru WRX 2013, Super Hybrid Filter by HKS®. 3 layered filter divides, collects intake air and smoothes air flow. It enables quick response that is required for sport filter. Newly developed Non-woven fabric is the first layer...
      With high strength double frame, strong frame can be used for high horsepower.Shape of re-designed top frame enables smooth air flow.
      $35.00
    • (0 reviews)
      # 84938682
      Subaru WRX 2013, 2.75" x 11" DryFlow Cone Filter by PERRIN Performance®. This is a direct replacement for most PERRIN Performance intake systems including the Big MAF intakes. PERRIN Performance filters feature a unique two piece...
      Two-piece design for easy cleaningOpen cell foam element
      $62.10
    • (0 reviews)
      # 73694425
      Subaru WRX 2013, Panel Air Filter by PERRIN Performance®. Don’t let a restrictive OEM paper filter get between you and true performance. The PERRIN Performance™ drop-in Panel Filter is the answer for more horsepower. A stealthy...
      Open cell foam elementCleaner for efficient and trouble-free cleanup
      $43.20
    • (0 reviews)
      # 73694322
      Subaru WRX 2.5L 2013, 4 Bar MAP Sensor by PERRIN Performance®. The PERRIN Performance 4 Bar MAP Sensor allows full control of boost up to 43psi of boost!
      Allows to safely run boost levels above 24 PSIQuick and easy installation
      $121.50
    • (1 review)
      # 93146782
      Subaru WRX 2013, Silicone Intakes by Mishimoto®. The Mishimoto Silicone Intake Boot is made from a combination of high-grade silicone and heat-resistant embedded fibers for a high-quality replacement kit for your OEM rubber hoses....
      Direct OEM fitManufactured from 100% high-grade silicone and heat-resistant embedded fibers
      $189.00 - $222.00
    • (0 reviews)
      # 73694337
      Subaru WRX 2.5L 2013, Afta-Maf Intake Tube by PERRIN Performance®. Construction: 5-ply Silicone. The PERRIN Performance Afta MAF Hose replaces the factory corrugated rubber hose between the inlet tube and air box. This is an...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $79.20 - $89.10
    • (0 reviews)
      # 73694513
      Subaru WRX 2.5L 2013, Turbo Inlet Hose by PERRIN Performance®. Silicone technology allows us to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower and performance. The...
      Designed to provide increased air flowSS internal support wire for added rigidity and collapse prevention
      $238.50 - $250.20
    • (0 reviews)
      # 98119745
      Subaru WRX STI Base / Limited 2013, Throttle Body Spacer by Torque Solution®. Throttle Body Spacers are designed to increase Horsepower & Torque. By creating more intake manifold volume along with a better air fuel mixture you will...
      $75.93
    • (0 reviews)
      # 81835432
      Subaru WRX 2013, Thermal Intake Manifold Gaskets by Torque Solution®. Thermal Intake Manifold Gaskets use a proprietary gasket material that lowers intake temps by reducing heat transfer from the head to the intake manifold. These...
      $43.38
    • (0 reviews)
      # 93146637
      Subaru WRX 2013, Throttle Body Silicone Hose by Mishimoto®. Includes: 3 Silicone Hoses, 7 T-Bolt Clamps. The Mishimoto Silicone Throttle Body Hose is a direct OEM replacement for the stock rubber hose. The stock rubber throttle...
      Direct OEM fitManufactured from 100% high-grade silicone and heat-resistant embedded fibers
      $54.00
    • (0 reviews)
      # 61628048
      Subaru WRX 2013, Silicone Throttle Body Hose by Torque Solution®. Torque Solution continues to push the limits of high performance aftermarket products with our 4ply Silicone Throttle Body Hose. The factory intake hose is prone to...
      $65.08
    • (0 reviews)
      # 89622671
      Subaru WRX STI 2013, Throttle Body Hose by Cusco®.
      $48.60
    • (0 reviews)
      # 35814860
      Subaru WRX / WRX STI 2.5L 2013, Air Filter by Beck Arnley®. Primary. 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...
      It is recommended to use factory hardware for installationOE quality products from top original equipment
      $16.37
    • (0 reviews)
      # 63679221
      Subaru WRX / WRX STI 2013, Air Filter by Bosch®. Dirty air filters can cause decreased fuel mileage, increased engine wear, and even problems starting the engine. Check your engine air filter at every oil change and always replace...
      Protects Your Engine by Stopping 98% of Engine-Threatening ParticlesPrevention of Unfiltered Air Entering Engine Intake with a High-Quality Seal
      $9.05 - $16.00
    • (0 reviews)
      # 85802686
      Subaru WRX / WRX STI 2458 CC 2013, Air Filter, FTF Air Filter by Denso®. The air filter is the last line of defense against the harmful airborne abrasives that have been proven to wear out engines before their time. With OE-quality...
      High airflow rate improves performance and fuel economySuperior dust holding capacity increases filter life
      $12.19
    • (0 reviews)
      # 145991611
      Subaru WRX / WRX STI 2.5L 2013, Extra Guard™ Rigid Panel Air Filter by FRAM®. Size: 8.55" (L) x 8.51" (W) x 1.38" (H). Do you feel shaking or shuddering when you engage the clutch; hear grinding noise when you shift gears? Does...
      Quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $10.05
    • (0 reviews)
      # 139916797
      Subaru WRX / WRX STI 2013, Air Filter by Mahle®. If you have a dirty air filter, clogged PCV valve, or defective MAF sensor you may be tempted to just run down to the local auto parts chain store for a replacement, but before you...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $34.62
    • (0 reviews)
      # 64447629
      Subaru WRX 2458 CC US-Built 2013, Air Filter Panel by WIX®. Height: 1.270". Inner Diameter Top: Closed. Length: 8.681". MediaType: Cellulose. Style: Air Filter Panel. Considering as much as 10,000 gallons of air must pass through...
      Prevents foreign particles like carbon, soot and abrasives from entering the fuel mixEnsures superior engine protection
      $11.76
    • (0 reviews)
      # 35538496
      Subaru WRX / WRX STI 2013, Remanufactured Mass Air Flow Sensor by A1 Cardone®. Import. Without Housing. With Instruction Sheet. Mounting Holes: 2. Mounting Type: Bolt-On. MAF Sensors precisely track O.E. output curves and maintain...
      50-state emissions street legalThe finest quality at a great price
      $80.14
    • (0 reviews)
      # 156694671
      Subaru WRX / WRX STI 2013, Intermotor™ Mass Air Flow Sensor by Standard®. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products, competitive prices and the...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $81.11
    • (0 reviews)
      # 35817293
      Subaru WRX / WRX STI 2.5L 2013, Cabin Air Filter 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...
      Charcoal activated filter media where specified by OE manufacturersSame form and fit as OE for proper fit in the cabin air filter housing
      $21.53
    • (0 reviews)
      # 85802688
      Subaru WRX / WRX STI 2458 CC 2013, Cabin Air Filter, Particulate Type by Denso®. O.E. recommended replacement filter. Premium electrostatically charged media. Captures ultra-fine particulates such as diesel carbon and smoke. For...
      Filter designed to trap contaminants before they enter the vehicle cabinPremium-quality filter media stops particulates down to 0.001 microns
      $18.54
    • (0 reviews)
      # 21459076
      Subaru WRX / WRX STI 2013, Cabin Air Filter by Hastings®. This filter is specially designed and manufactured to reduce the amount of airborne pollutants and particles entering the cabin by capturing dust, pollen and other airborne...
      Fully meets OE requirements for fit and operationReduces the level of contaminants, pollen, and dust in the cabin
      $20.89
    • (0 reviews)
      # 8725400
      Subaru WRX / WRX STI 2013, Cabin Air Filter by NPN®. Are you shivering behind the wheel in the winter, or sweating in traffic in the summer? Do you detect the sweet smell of antifreeze in the cabin or see green liquid on the floor?...
      $24.10
    • (0 reviews)
      # 64447631
      Subaru WRX 2458 CC US-Built 2013, Cabin Air Panel by WIX®. Height: 2.240". Inner Diameter Top: Closed. Length: 8.560". MediaType: Particulate. Style: Cabin Air Panel. WIX cabin air filters capture airborne contaminants like dirt,...
      Provides premium cabin air filtrationPrevents leaves, bugs, dirt, and other debris from entering your vehicle's HVAC system
      $20.86
    • (0 reviews)
      # 85594391
      Subaru WRX / WRX STI 2013, Cabin Air Filter by UAC®. UAC’s line of filters includes Cabin Air Filter filters that are necessary for the proper function of an A/C System. They are produced at top tier facilities with strong...
      Helps maintain a desired temperature inside your carMade of durable materials
      $9.46
    • (0 reviews)
      # 21071399
      Subaru WRX / WRX STI 2458 CC 2013, Mass Air Flow Sensor by Denso®. The air filter is the last line of defense against the harmful airborne abrasives that have been proven to wear out engines before their time. With OE-quality...
      Glass film coated sensing elements reduces contamination and improves reliabilityPlatinum wire sensing element responds quickly to changes in air flow
      $103.25
    • (0 reviews)
      # 98119305
      Subaru WRX STI Base / Limited 2013, MAF Block-off Plate by Torque Solution®. Torque Solution Maf Block Off plates were designed to seal off the intake system. This makes for an easy transition to Speed Density tuning once plugged...
      $43.38
    • (0 reviews)
      # 35812557
      Subaru WRX / WRX STI 2.5L 2013, Intake Manifold Gasket 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...
      OE quality products from top original equipmentTop quality materials
      $6.77
    • (0 reviews)
      # 44711452
      Subaru WRX 2013, Upper Intake Manifold Gasket by Genuine®. O-Ring. If you have a dirty air filter, clogged PCV valve, or defective MAF sensor you may be tempted to just run down to the local auto parts chain store for a...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $9.32
    • (0 reviews)
      # 40583544
      Subaru WRX 2013, Upper Intake Manifold Gasket Set by Fel-Pro®. If you need durable gaskets to prevent leaks on your vehicle, Fel-Pro is the way to go. Engineered using the latest technologies and global engineering resources, the...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $29.20
    • (0 reviews)
      # 8714810
      Subaru WRX / WRX STI 2013, Intake Manifold Gasket by Nippon Reinz®. To Cylinder Head. Is your vehicle feeling down on power? Do you see dark puddles on the ground when you park? Is your CHECK ENGINE light on? Your engine may be in...
      $7.78
    • (0 reviews)
      # 107660077
      Universal Apollo Flex Hose Flat Black Cold Air Intake System by K&N®. Replacement Filter # RC-5052. Air Filter Material: Cotton Gauze. Clamp Style: No Clamps Required. Filter Material: Cotton Gauze. Height: 4.875" (124 mm). Intake...
      Guaranteed to increase horsepower and improve accelerationIdeal for normally aspired engines up to 250 BHP and turbo engines up to 350 BHP
      $129.99 - $209.99
    • (0 reviews)
      # mpn1640291
      Universal Metal Raw Aluminum Cold Air Intake System by AEM®. Replacement Filter # 21-2059DK. Use with Pre-Filter # 1-4001. Tube Material: Metal. Tube Finish: Raw Aluminum. To deliver cooler air to the engine, this air intake system...
      Delivers more oxygen to the combustion chamber by drawing in cooler airCustom designed and engineered to deliver maximum power for each specific vehicle
      $319.99
    • (0 reviews)
      # mpn2531294
      Universal Jr. Intake Kit with SynthaFlow® Air Filter and Intake Tube by AIRAID®. Replacement Filter #: 700-420. Use with Pre-Filter #: 799-420. Air Filter Color: Red. Air Filter Material: Cotton Gauze & Non-woven Synthetic. Air...
      Increases airflow to the engineIncreases horsepower and torque, improves performance
      $150.86
    • (0 reviews)
      # mpn2531295
      Universal Jr. Intake Kit with SynthaMax® Air Filter and Intake Tube by AIRAID®. Replacement Filter #: 701-420. Use with Pre-Filter #: 799-420. Air Filter Color: Red. Air Filter Material: Non-woven Synthetic. Air Filter Outlet...
      Increases airflow to the engineIncreases horsepower and torque, improves performance
      $159.02
    • (0 reviews)
      # mpn611211179
      Universal 14" Chrome Air Cleaner by Demon Carburetion®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by Demon...
      14" in diameter3" deep filter element
      $44.02
    • (0 reviews)
      # 125352732
      Universal Air Intake Kit by Spectre Performance®. Replacement Filter #: 8168. Air Filter Color: White. Air Filter Height: 2.625" (67 mm). Air Filter Material: Non-woven Synthetic. Intake Pipe Color: Polished. Intake Pipe Material:...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $50.24
    • (0 reviews)
      # 107662523
      Universal Air Filter for the UMP Off-Road Air Box by K&N®. Air Filter Height: 12.5" (318 mm). Air Filter Material: Cotton Gauze. Color: Red. Overall Height: 12.5" (318 mm). Style: Round. Top Finish: Black Powder Coated. Top Style:...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $158.99 - $161.99
    • (0 reviews)
      # 107662569
      Universal Carbon Fiber Air Box Large by K&N®. Filter Material: Cotton Gauze. Filter Re-Oiling Amount: 4.56 oz (135 ml). Height: 6.5" (165 mm). Width: 14" (356 mm). Protect your expensive racing engine and keep it running at peak...
      Attractive carbon fiber front designed for extra strengthCustom foam backing for a snug fit
      $533.99
    • (0 reviews)
      # 124911623
      Universal Covered Round Air Filter by K&N®. Replacement Filter # E-3600. Air Filter Height: 3.5" (89 mm). Air Filter Inside Diameter: 7" (178 mm). Air Filter Material: Cotton Gauze. Color: Polished. Filter Re-Oiling Amount: 1.28 oz...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $109.99
    • (0 reviews)
      # 107662648
      Universal Custom Air Cleaner Assembly by K&N®. Air Filter Material: Cotton Gauze. Color: Red. Filter Material: Cotton Gauze. Designed utilizing the latest technology, this Custom Air Cleaner Assembly by K&N features premium quality...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $62.99 - $256.99
    • (0 reviews)
      # 107662903
      Universal Custom Round Air Cleaner Assembly by K&N®. Air Filter Material: Cotton Gauze. Color: Red. Filter Material: Cotton Gauze. Includes: Mounting Hardware. Designed utilizing the latest technology, this Custom Air Cleaner...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $74.99 - $150.99




    Guides & Articles

    • Performance Air Intake Systems
      Can an Air Intake System also Increase My Fuel Economy?
      We all know that achieving better fuel economy while driving puts money back in your pocket and does the environment a favor. But for those who are actively interested in squeezing the most out of every drop of gas, getting more miles per gallon can actually become a sport - especially if a vehicle has a manual transmission that can be upshifted earlier and put into neutral during downhill grades or when coasting to a stop sign.
    • Performance Air Intake Systems
      The Real Cost of Your Car’s Cheap Factory Air Filter
      In today's world, saving money wherever possible has become essential. But it's important not to lose sight of the fact that, sometimes, a product that costs more up front will save you more money over time. In our business, we've seen far too many consumers judge products solely on the basis of their initial cost, completely neglecting any long-term economy and benefits. When it comes to automobiles, "performance" air filters are a perfect example of this.
    • Performance Air Intake Systems
      My Car is Brand New | Why Should I Change My Air Intake System?
      Aftermarket air intake systems have become one of the most popular engine modifications available for late model cars and trucks. An easy question to ask is why are these so popular? After all, didn't engineers who work for your vehicle manufacturer spend years developing the best engine components available? Since power and fuel economy are major selling points these days, it's hard to imagine car companies not doing everything they can to maximize horsepower, miles per gallon, or both.
    • Performance Air Intake Systems
      What are the Different Types of Air Intake Systems?
      There are many types of aftermarket air intake systems that range from simple and inexpensive to elaborate. In the scope of this article, we'll examine the different types of air intakes, what they do, and look at a few specific product examples of each. But in short, performance air intake setups increase airflow into your engine - boosting combustion and creating more horsepower and torque that you can actually feel. Their relatively low cost and easy installation (bolt-on in most cases) keeps them in popular demand by car enthusiasts that own everything from 1.5-liter turbo motors to big block V8 engines.
    • Replacement Air Intake Parts
      Why Does My Car Have a Plastic Intake Manifold?
      An intake manifold is an integrated assembly that sits atop the engine, consisting of a series of tubes which distribute fresh outside air to each and every cylinder. On V-shaped engine blocks, an intake manifold typically sits between the two cylinder banks while inline engines may feature a manifold to the side of the cylinder head. Intake manifolds serve as a mounting point for carburetors, throttle body assemblies, fuel injectors, thermostats, and more depending on vehicle manufacturer engineering preferences. Intake manifolds may also serve to route coolant through dedicated channels in order to remove heat from the engine. Because of their location and functionality, intake manifold assemblies are under constant stress from engine vacuum pressure as well as direct heat from coolant, cylinder combustion gasses, and the cylinder heads to which they are mounted.

    2013 Subaru WRX Performance Air Intake Systems Reviews

    Average rating:  4  4 - 1 review
    4 of 5
    Better than OEM
    Glad I ordered this product, no hassle in replacing the mediocre factory one. Engine runs cleaner and smoother.
    KPosted by Keith d mcallister (Falls Church, VA) /
    2012 Subaru Impreza
    Was this review helpful for you? Yes2  people found this review helpful.
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