2009 Subaru Forester Performance Air Intake Systems

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    • (0 reviews)
      # 61628692
      Subaru Forester XT / XT Limited 2009, Cold Air Box Kit by AVO®.
      $155.00
    • (0 reviews)
      # 80951083
      Subaru Forester XT / XT Limited Automatic Transmission 2009, Performance Aluminum Cold-Air Intake by Mishimoto®. Provide maximum, unrestricted airflow with the Mishimoto Performance Race Intake. Mishimoto pulled out all of the...
      Installs in under 30 minutesLarger diameter intake pipe for large turbochargers and more aggressive engine tunes
      $285.00
    • (3 reviews)
      # 124919845
      Subaru Forester 2.5L 2009, 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" (217 mm)....
      Improves engine airflowIncreases horsepower and acceleration
      $48.99
    • (0 reviews)
      # 919934
      Subaru Forester X / X Limited / X Premium / XT / XT Limited 2.5L 2009, Magnum Flow Pro 5R Panel Air Filter by aFe®. This Pro 5R air filter provides performance filtration and maximum convenience. Constructed with 100% polyurethane...
      Deep Cotton Pleats for Increased FlowFits In Factory Housing
      $62.95
    • (0 reviews)
      # 922784
      Subaru Forester X / X Limited / X Premium / XT / XT Limited 2.5L 2009, Magnum Flow Pro Dry S Panel Air Filter by aFe®. Constructed with 100% polyurethane on all four sides, this high flow "oil-free" OE replacement performance...
      For Improved Horsepower And TorqueLimited Lifetime Warranty
      $62.95
    • (0 reviews)
      # 62398453
      Subaru Forester XT / XT Limited 2009, Power Air Filter Kit by AVO®.
      $210.00
    • (1 review)
      # 3353591
      Subaru Forester 2009, 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...
      Cleanable, reusable filter element will outlast your carTraps particles as small as 5 microns
      $45.10
    • (0 reviews)
      # 74187510
      Subaru Forester Turbocharged 2009, 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...
      Open cell foam elementCleaner for efficient and trouble-free cleanup
      $43.20
    • (0 reviews)
      # 73693383
      Subaru Forester Turbocharged 2009, 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...
      Designed to provide increased air flowSS internal support wire for added rigidity and collapse prevention
      $250.20
    • (0 reviews)
      # 80951090
      Subaru Forester XT / XT Limited TZ1B8 Transmission 2009, 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...
      Direct OEM fitManufactured from 100% high-grade silicone and heat-resistant embedded fibers
      $54.00
    • (0 reviews)
      # 35814860
      Subaru Forester 2.5L 2009, 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
      $16.69
    • (0 reviews)
      # 78097869
      Subaru Forester 2.5L 2009, 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 Forester 2.5L 2009, 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 Forester 2009, 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 your engine...
      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)
      # 8012573
      Subaru Forester Naturally Aspirated 2009, Air Filter by Full®. 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,...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $18.96
    • (0 reviews)
      # 21456928
      Subaru Forester 2.5L 2009, Panel Air Element by Hastings®. Clean air is critical to the performance of your engine, so don’t trust just any filter. Hastings filters are tested according to SAE J726 test procedures, where they...
      Filters out dirt and dust in the air preventing them from entering the engineHeavy duty construction for long service life
      $15.51
    • (0 reviews)
      # 64447219
      Subaru Forester Canada-Built 2009, Air Filter Panel by WIX®. Inner Diameter Top: Closed. Style: Air Filter Panel. Considering as much as 10,000 gallons of air must pass through the air filter for every gallon of fuel the engine...
      Prevents foreign particles like carbon, soot and abrasives from entering the fuel mixEnsures superior engine protection
      $11.76 - $15.01
    • (0 reviews)
      # 35538496
      Subaru Forester 2.5L 2009, 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)
      # 35817293
      Subaru Forester 2.5L 2009, 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 vehicles...
      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 Forester 2.5L 2009, 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 people...
      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)
      # 21459069
      Subaru Forester 2.5L 2009, 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
      $21.03
    • (0 reviews)
      # 8725400
      Subaru Forester 2009, 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? Your...
      $24.10
    • (0 reviews)
      # 64379370
      Subaru Forester US-Built 2009, 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)
      # 12027144
      Subaru Forester 2009, Cabin Air Filter by TYC®. 1 Piece, Particulate Filter. As soon as your cabin air filter clogs or gets damaged, you notice it right away. And now you don't have to go to the dealer and pay twice the price to...
      OE quality at an affordable priceDirect replacement
      $15.56
    • (0 reviews)
      # 85594391
      Subaru Forester 2009, 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 quality...
      Helps maintain a desired temperature inside your carMade of durable materials
      $9.46
    • (0 reviews)
      # 120947784
      Subaru Forester XT / XT Limited 2009, Manifold Absolute Pressure Sensor by Denso®. 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...
      $235.82
    • (0 reviews)
      # 21071399
      Subaru Forester 2.5L 2009, 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 engineering...
      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 Forester XT 2009, 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 up....
      $43.38
    • (0 reviews)
      # 97663764
      Subaru Forester Naturally Aspirated 2009, Intake Manifold Gasket by AJUSA®. Gasket Material:ACM. These gaskets seal components in the intake and exhaust systems of the vehicle such as the intake manifold, intake plenum, and exhaust...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $3.62
    • (0 reviews)
      # 142292370
      Subaru Forester 2.5L 2009, Intake Manifold Gasket Set 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...
      OE quality products from top original equipmentTop quality materials
      $6.77 - $24.07
    • (0 reviews)
      # 8916583
      Subaru Forester Turbocharged 2009, 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)
      # 24206449
      Subaru Forester 2.5L 2009, Intake Manifold Gasket by Victor Reinz®, Use 1 per Car. OEM Standard Part. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store....
      OE quality fluids from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $9.50 - $26.09
    • (0 reviews)
      # 158133248
      Subaru Forester 2.5L 2009 Intake Manifold Gasket Set by DNJ Engine Components®. Includes: Intake Gasket. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $8.09 - $24.67
    • (0 reviews)
      # 40719561
      Subaru Forester 2009, 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
      $9.78 - $29.20
    • (0 reviews)
      # 8721017
      Subaru Forester 2009, 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 need...
      $5.97 - $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
    • (0 reviews)
      # mpn1971294
      Universal Drag Racing Base Mount Scoop Filter by K&N®. Air Filter Large End Diameter: 11" (279 mm). Base Inside Diameter: 9" (229 mm). Base Outside Diameter: 11" (279 mm). Filter Material: Cotton Gauze. Height: 8.875" (225 mm). Top...
      Washable and reusableProtects engine from track debris
      $52.99
    • (0 reviews)
      # 107663025
      Universal Flow Control Custom Assembly by K&N®. Air Filter Material: Cotton Gauze. Color: Red. Filter Material: Cotton Gauze. Style: Round. Top Style: Plastic. Includes: Mounting Hardware. The K&N Flow Control System utilizes a...
      $197.99 - $257.99
    • (0 reviews)
      # 107662202
      Universal Heavy Duty Round Tapered Canister Air Filter by K&N®. Filter Material: Non-woven Synthetic. Top Style: Metal. Get better performance, superior engine protection and more economical operation with a K&N Air Filter. K&N...
      Improves engine airflowIncreases horsepower and acceleration
      $148.99 - $410.99
    • (0 reviews)
      # 124911635
      Universal Midget Series Custom Assembly by K&N®. Replacement Filter # RE-0970. Air Filter Height: 3" (76 mm). Air Filter Inside Diameter: 4.625" (117 mm). Air Filter Material: Cotton Gauze. Clamp Style: Mini. Color: Red. Filter...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $120.99
    • (0 reviews)
      # 107659998
      Universal Replacement Air Filter with Chrome Lid by K&N®. Filter Material: Cotton Gauze. Height: 4.5" (114 mm). Includes: 1 Air Filter. Designed utilizing the latest technology, this Replacement Air Filter by K&N features premium...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $74.99 - $97.99
    • (0 reviews)
      # 107662817
      Universal Round Custom Racing Assembly for 2BBL and 4BBL Carburetors by K&N®. Air Filter Material: Cotton Gauze. Color: Red. Filter Material: Cotton Gauze. Includes: Mounting Hardware. K&N's Universal Air Filters are designed and...
      Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications
      $49.99 - $95.99
    • (0 reviews)
      # 107662216
      Universal Velocity Stack Custom Air Cleaner Assembly by K&N®. Air Filter Material: Cotton Gauze. Color: Red. Filter Material: Cotton Gauze. Size: 9". Style: Velocity Stack. Top Finish: Chrome. Top Style: Open. Includes: Mounting...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $90.99 - $115.99
    • (0 reviews)
      # 107662394
      Universal XStream® Air Cleaner Assembly by K&N®. Air Filter Material: Cotton Gauze. Color: Red. Filter Material: Cotton Gauze. Includes: Mounting Hardware. Not only does the K&N XStream add filter area, it actually redirects...
      Washable and reusable air filterAir filter top adds filter area
      $123.99 - $224.99
    • (0 reviews)
      # 107663002
      Universal XStream® Drag Racing Base Mount Scoop Filters by K&N®. Air Filter Material: Cotton Gauze. Color: Black. Style: X-Stream. Top Style: X-Stream. Includes: Mounting Hardware. Protect your expensive racing engine and keep it...
      Attractive carbon fiber front designed for extra strengthCustom foam backing for a snug fit
      $137.99 - $143.99
    • (0 reviews)
      # mpn57019828
      Universal Aries Powersport Pro Dry S Panel Air Filter by aFe®. Dominate the street or the track with this superior high-performance air filter designed to bump up horsepower, performance and acceleration to the next level. It...
      aFe Aries AE 1 air filters are constructed out of 4-layers of synthetic media for maximum protection and requires no oils to cleanFilter housing is constructed out of pliabel urethane with a bump seal for a complete seal. Filters also include gaskets and require no glues or adhesives
      $34.95
    • (0 reviews)
      # 107149564
      Universal Magnum Flow IAF Pro 5R Air Filter by aFe®. With five layers of progressively finer mesh cotton gauze media between 100% polyurethane top and base, this high flow "oiled" conical performance filter provides excellent...
      Improves airflow and engine performanceProvides superior air filtration and engine protection
      $56.95 - $99.95
    • (1 review)
      # 107149572
      Universal Magnum Flow IAF Pro Dry S Air Filter by aFe®. With three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, “oil-free” conical performance filter provides...
      Improves airflow and engine performanceProvides superior air filtration and engine protection
      $42.95 - $105.95
    • (1 review)
      # 107149725
      Universal Magnum Flow Pro 5R Air Filter by aFe®. This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of progressively...
      Improves airflow for better performance and accelerationPre-oiled, washable/reuseable air filter for long service life with life-time warranty
      $38.95 - $139.95
    • (1 review)
      # 107150017
      Universal Magnum Flow Pro 5R Round Air Filter with Expended Metal by aFe®. Outside Diameter: 14". Inside Diameter: 12". This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the...
      Improves airflow for better performance and accelerationPre-oiled, washable/reuseable air filter for long service life with life-time warranty
      $62.95 - $73.95




    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.

    Popular Products

    2009 Forester 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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