2005 Honda Civic Si Performance Air Intake Systems

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    • (0 reviews)
      # 73904498
      Honda Civic Si / Civic SiR 2.0L Generation VI 200 BHP 2005, 57i Series Generation I Flex Hose & Rubber Hose Black Air Intake System with Intake Pipe by K&N®. Replacement Filter # RC-70030. Air Filter Height: 6.625" (168 mm). Air...
      Guaranteed to increase horsepowerSpecifically designed for each application
      $165.99
    • (2 reviews)
      # 73903185
      Honda Civic Si 2005, 69 Series Typhoon Short Ram Air Intake System by K&N®. Air Filter Large End Diameter: 6" (152 mm). Air Filter Material: Cotton Gauze. Clamp Style: Regular. Intake Pipe Material: Aluminum. Improve airflow and...
      Guaranteed to increase horsepower and improve accelerationCustom designed and engineered for each application
      $186.99 - $216.99
    • (0 reviews)
      # 73906049
      Honda Civic Si / Civic SiR 2.0L Generation VI 200 BHP 2005, Apollo Cold Air Intake System by K&N®. Replacement Filter # RC-5052. Air Filter Height: 4.875" (124 mm). Air Filter Material: Cotton Gauze. Clamp Style: Regular. Includes:...
      Guaranteed to increase horsepower and improve accelerationWorks with OEM computer system
      $233.99
    • (0 reviews)
      # 360282
      Honda Civic Si 2005, SP Series Cold Air Intake System by Injen®. HP Gain: +12.1 hp. Torque Gain: +12.7 lbs. x ft. Includes: X-1014 Filter. The SP Series Cold Air Intake System is made for the enthusiast who wants maximum horsepower...
      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
      $269.21
    • (2 reviews)
      # 360565
      Honda Civic Si 2005, SP Series Short Ram Intake System by Injen®. HP Gain: +11.2 hp. Torque Gain: +8.2 lbs. x ft. Includes: X-1015 Filter. The Short Ram SP Series is a traditional, underhood air intake system that takes the place...
      Improves airflow into the engineUses the patented MR Technology tuning process to ensure the air/fuel ratio is within optimum limits
      $209.43
    • (0 reviews)
      # 254299
      Honda Civic Si / Civic SiR 2.0L 2005, Metal Cold Air Intake System by AEM®. Replacement Filter # 21-201DK. Use with Pre-Filter # 1-4000. Tube Material: Metal. To deliver cooler air to the engine, this air intake system places the...
      Delivers more oxygen to the combustion chamber by drawing in cooler airCustom designed and engineered to deliver maximum power for each specific vehicle
      $250.99
    • (0 reviews)
      # 55968832
      Honda Civic Si / Civic SiR 2.0L 2005, Metal Gunmetal Gray Dual Chamber Air Intake System by AEM®. Replacement Filter # 21-204DK. Use with Pre-Filter # 1-4000. Includes: 7 Hose Clamps. Tube Material: Metal. Tube Finish: Gunmetal...
      Unique, patented Dual Chamber design delivers the maximum possible horsepower and torqueExtensive intake length and tube diameter development
      $300.99
    • (1 review)
      # 55968218
      Honda Civic Si / Civic SiR 2005, Metal Short Ram Air Intake System by AEM®. Replacement Filter # 21-201DK. Use with Pre-Filter # 1-4000. Includes: 3 Hose Clamps. Tube Material: Metal. This system is an economical alternative to...
      Delivers increased performance for less costEasily installs under the hood
      $193.99 - $204.99
    • (1 review)
      # 100728653
      Honda Civic Si 2005, Dragon Air Intake System by Weapon-R®. Pipe Finish: Polished. Weapon-R Intake Systems are CNC Mandrel Bent out of 6061 aluminum, and then Hand Tig Welded to ensure a positive seal and proper fitment. Each one...
      Custom designed and engineered for each applicationEach system is tuned to maximize engine performance output
      $169.15 - $174.15
    • (0 reviews)
      # 100728935
      Honda Civic Si 2005, Secret Weapon Air Intake System by Weapon-R®. Pipe Finish: Polished. Filter Cage Finish: Gunmetal. Foam Filter Finish: Black. The Secret Weapon Air Intake System uses patented technology to feed the engine 3...
      Patented technology increases airflow 3 times more than conventional systemsEach system is tuned to maximize engine performance output
      $211.65
    • (0 reviews)
      # 79118269
      Honda Civic Si 2.0L 2005, Power Intake Kit by APEXi®. Air Filter Color: Red. System Type: Ram Air Intakes. When it comes to impeccable design, unsurpassed quality, and great value, Apexi leaves all the rivals far behind. This...
      Designed for superior air filtrationProvides virtually unrestricted air flow over the OE
      $201.22
    • (0 reviews)
      # 116984457
      Honda Civic Si 2005, Polished Aluminum Cold Air Air Intake System by DC Sports®. DC Sports Air Intake Systems provide the best of both worlds in heat protection and improved breathability. Every kit includes a air filter that...
      Re-locates filter to outside the engine compartment for cooler air ingestionDesigned for maximum power gains
      $38.42 - $182.46
    • (0 reviews)
      # 116984512
      Honda Civic Si 2005, Polished Aluminum Short Ram Air Intake System by DC Sports®. DC Sports Air Intake Systems provide the best of both worlds in heat protection and improved breathability. Every kit includes a air filter that...
      $38.42 - $139.55
    • (0 reviews)
      # 70192896
      Honda Civic Si K20A3 Engine 2005, Super Power Flow Reloaded Kit by HKS®. Back Plate Color: Black. Element Size: 200 mm. Inlet Size: 80 mm. Ambient exposure type air cleaner has larger area of induction inlet that increases intake...
      Frame SupportIt fits to aluminum back plate softly and fixes Super Stealth Frame firmly. It will also be a guide for filter to surface of the hemisphere that make easy for replacement work of the filter.
      $177.59
    • (0 reviews)
      # 124927870
      Honda Civic Si / Civic SiR 2.0L 2005, E Series Round Air Filter by K&N®. Filter Material: Cotton Gauze. Filter Re-Oiling Amount: 1.39 oz (41 ml). Height: 6.75" (171 mm). Inside Diameter: 3.188" (81 mm). Outside Diameter: 4.938"...
      Designed to boost horsepower and rate of accelerationCan be cleaned and used again
      $58.99
    • (0 reviews)
      # 103804438
      Honda Civic Si 2.0L 2005, Magnum Flow Pro 5R Round Straight Air Filter by aFe®. Constructed with 100% polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for...
      Improves airflow for better performance and accelerationPre-oiled, washable/reuseable air filter for long service life with life-time warranty
      $62.95
    • (0 reviews)
      # 103804439
      Honda Civic Si 2.0L 2005, Magnum Flow Pro Dry S Round Straight Air Filter by aFe®. Constructed with 100% polyurethane on top and bottom, this high flow “oil-free” OE replacement performance filter will outflow stock paper...
      Improves airflow for better performance and accelerationOil-free for easy quick servicing and yet washable/reuseable air filter for long service life with life-time warranty
      $62.95
    • (0 reviews)
      # 118594978
      Honda Civic Si / Civic SiR 2.0L 2005, HPR™ Round Air Filter by Spectre Performance®. Air Filter Color: Red. Filter Material: Non-woven Synthetic. Height: 6.813" (173 mm). Inner Wire: No. Inside Diameter: 3.188" (81 mm). Oil...
      High performance and high air flow filterFilter media is non-woven synthetic and pre-dyed
      $21.29
    • (0 reviews)
      # 152045073
      Honda Civic Si / Civic SiR K20A3 Engine 2005, Race Sheet Metal Intake Manifold by Weapon-R®. Increase airflow between the throttle body and cylinder head. Installing this intake manifold will result in a big horsepower increase.
      Significant horsepower increase over stock manifoldHand made from Billet 6061 Aluminum
      $506.00
    • (0 reviews)
      # 38815863
      Honda Civic Si Hatchback K20A3 Engine / K24A1 Engine / K24A4 Engine / K24A8 Engine / K24Z1 Engine 2005, Pro Series™ Black Intake Manifolds by Skunk2®. Skunk2’s Pro Series Intake Manifold features a larger plenum and oversized...
      Increased mid-range and top-end HP and torque64mm throttle body bore
      $515.99
    • (0 reviews)
      # 134419735
      Honda Civic Si / Civic SiR K20A3 Engine 2005, Billet Throttle Body by Blox Racing®. Cross applications include the B, D, H and certain F-series Accord enginesAvailable in 66mm - 76mm bore sizes. TPS included.
      $340.00
    • (0 reviews)
      # 115477586
      Honda Civic Si D17A2 Engine 2005, Billet Throttle Body by Blackworks Racing®.
      $250.00
    • (0 reviews)
      # 59305478
      Honda Civic Si D17A2 Engine 2005, Satin Throttle Body, 68mm by Blackworks Racing®. TPS Sensor is Included.
      $143.50
    • (0 reviews)
      # 107661704
      Honda Civic Si / Civic SiR 2.0L 2005, Cabin Air Filter by K&N®. Material: Polyurethane. Filter Material: Non-woven Synthetic. Height: 1.125" (29 mm). Length: 8.875" (225 mm). Width: 4.375" (111 mm). Includes: 2 Cabin Filters. K&N...
      Easy to Clean and ReuseFreshens and cleans incoming cabin air
      $60.99
    • (0 reviews)
      # 59270421
      Honda Civic Si / Civic SiR K20A3 Engine 2005, Thermal Shield Intake Manifold Gasket by Blox Racing®. BLOX Racing high performance replacement intake manifold gaskets are CNC-machined out of high temperature resistant thermal...
      $40.00
    • (0 reviews)
      # 98187109
      Honda Civic Si / Civic SiR 2.0L K20A3 Engine / K20Z3 Engine / K24Z7 Engine 2005, Map Sensor by Skunk2®. Designed utilizing the latest technology, this product by Skunk2 features premium quality and will perform better than...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $101.99
    • (0 reviews)
      # 38815917
      Honda Civic Si Hatchback K20A3 Engine / K20Z3 Engine / K24A1 Engine / K24A4 Engine / K24A8 Engine / K24Z1 Engine / K24Z7 Engine 2005, Thermal Intake Manifold Gasket by Skunk2®. Skunk2 Thermal Intake Manifold Gaskets are designed as...
      Direct replacements for OEM intake manifold and throttle body gasketsProtects against heat soak and reduces the incoming air temperature before it reaches the cylinder head.
      $41.99
    • (0 reviews)
      # 134419745
      Honda Civic Si 2005, Throttle Position Sensor by Blox Racing®. The throttle position sensor (TPS) is basically a potentiometer that provides a variable resistance dependent upon the position of the throttle. There are many...
      $60.00 - $80.00
    • (0 reviews)
      # 134419748
      Honda Civic Si / Civic SiR K20A3 Engine 2005, Type-C MAP Bypass Valve Throttle Body Mount by Blox Racing®. The BLOX Racing MAP Bypass Valve is designed for use with forced-induction applications. The MAP Bypass Valve completely...
      $32.00
    • (0 reviews)
      # 89466973
      Honda Civic Si / Civic SiR 2.0L 2005, Throttle Body Spacer by Taylor Cable®. Helix Power Throttle Body Spacers increase airflow to improve cylinder filling, while the variable venturi aperture shape enhances turbulence for a more...
      Precision machined from solid T-6061 billet aluminumUp to 22 hp gains
      $99.68
    • (0 reviews)
      # 59305480
      Honda Civic Si K20A3 Engine 2005, Throttle Body Adapter by Blackworks Racing®. The Blackworks Racing throttle body adapter allows the use of the RBC intake manifold while keeping the drive-by-cable.
      $45.00
    • (0 reviews)
      # 115477619
      Honda Civic Si 2005, Throttle Position Sensor by Blackworks Racing®. Blackworks Throttle Position Sensor replaces the OEM TPS Sensor without any modifications. The Honda dealer only sells the TPS sensor along with the Throttle Body...
      $28.70 - $53.30
    • (0 reviews)
      # 61618905
      Honda Civic Si K20A3 Engine 2005, 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...
      $43.38
    • (0 reviews)
      # 38815899
      Honda Civic Si Hatchback K20A3 Engine / K20Z3 Engine / K24A1 Engine / K24A4 Engine / K24A8 Engine / K24Z1 Engine / K24Z7 Engine 2005, Thermal Throttle Body Gasket by Skunk2®. 70mm Bore. Skunk2 Thermal Throttle Body Gaskets are...
      Direct replacements for OEM intake manifold and throttle body gasketsProtects against heat soak and reduces the incoming air temperature before it reaches the cylinder head.
      $20.99
    • (0 reviews)
      # 62346326
      Honda Civic Si K20A3 Engine 2005, Thermal Throttle Body Gasket by Torque Solution®. Bore: 70mm. Thermal Throttle Body Gasket use a proprietary gasket material that lowers intake temps by reducing heat transfer. These gaskets can be...
      $26.87
    • (0 reviews)
      # 61939596
      Honda Civic Si K20A3 Engine 2005, 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)
      # 85801221
      Honda Civic Si / Civic SiR 2.0L 2005, 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...
      High airflow rate improves performance and fuel economySuperior dust holding capacity increases filter life
      $10.96
    • (0 reviews)
      # 53657688
      Honda Civic Si 2005, 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, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $18.51
    • (0 reviews)
      # 21455737
      Honda Civic Si / Civic SiR 2.0L 2005, Radial Seal 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...
      Filters out dirt and dust in the air preventing them from entering the engineHeavy duty construction for long service life
      $14.63
    • (0 reviews)
      # 84193802
      Honda Civic Si / Civic SiR 2005, Air Filter by NPN®. 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...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $11.50 - $11.52
    • (0 reviews)
      # 64338833
      Honda Civic Si 2.0L US-Built 2005, Air Filter by WIX®. Ends: Plastic. Height: 6.850". Inner Diameter Bottom: 3.228". MediaType: Cellulose. Outer Diameter Bottom: 5.472". Outer Diameter Top: 5.472". Style: Air Filter. Considering as...
      Prevents foreign particles like carbon, soot and abrasives from entering the fuel mixEnsures superior engine protection
      $13.91
    • (0 reviews)
      # 156673244
      Honda Civic Si / Civic SiR 2.0L 2005, 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...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $51.97
    • (0 reviews)
      # 88050258
      Honda Civic Si 2005, Idle Control Valve by Genuine®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $307.90 - $319.29
    • (0 reviews)
      # 44702140
      Honda Civic Si 2005, Idle Control Valve by Genuine®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $319.29
    • (0 reviews)
      # 73488035
      Honda Civic Si 2.0L 2005, Professional™ Cabin Air Filter by ACDelco®. Dust Filter. Designed utilizing the latest technology, this Professional Cabin Air Filter by ACDelco features premium quality and will perform better than...
      Highly durable and reliable, ACDelco Cabin Air Filters fit most vehicles equipped with cabin air filtration systems.Advanced filter media technology helps reduce particles that reach the vehicle’s interior for more comfort.
      $30.03
    • (0 reviews)
      # 35811922
      Honda Civic Si 1.7L 2005, Cabin Air Filter 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...
      Charcoal activated filter media where specified by OE manufacturersSame form and fit as OE for proper fit in the cabin air filter housing
      $15.90
    • (0 reviews)
      # 24215634
      Honda Civic Si 2005, Workshop Particulate Cabin Air Filter by Bosch®. Width: 112 mm. Heigth: 29 mm. Spunbound Polyester Along. Keep the air inside your vehicle clean and fresh just by replacing your cabin air filter with a Workshop...
      Captures 80% of dirt and other pollutants smaller than 3 microns from entering through the vehicle’s heating and air ventsProtects passengers in your vehicle against pollen, dust and dirt particles
      $21.36
    • (0 reviews)
      # 78099879
      Honda Civic Si 2.0L 2005, Cabin Air Filter, Particulate by Denso®. O.E. recommended replacement filter. Premium electrostatically charged media. Captures ultra-fine particulates such as diesel carbon and smoke. For people with...
      Filter designed to trap contaminants before they enter the vehicle cabinPremium-quality filter media stops particulates down to 0.001 microns
      $13.89
    • (0 reviews)
      # 21458372
      Honda Civic Si / Civic SiR 2.0L 2005, Set of 2 Cabin Air Elements by Hastings®. This filter is specially designed and manufactured to reduce the amount of airborne pollutants and particles entering the cabin by capturing dust,...
      Fully meets OE requirements for fit and operationReduces the level of contaminants, pollen, and dust in the cabin
      $17.41
    • (0 reviews)
      # 11775370
      Honda Civic Si Hatchback 2005, Particulate Cabin Air Filter by Pilot®, 2 Pieces. This is an aftermarket part that replaces factory OE # 80292-S5D-A01. A high quality, direct fit OE replacement cabin air filter. Provides effective...
      Helps you to get the most out of your vehiclePrecision designed to perfectly fit your vehicle
      $12.64
    • (0 reviews)
      # 64338832
      Honda Civic Si 2.0L US-Built 2005, Cabin Air Panel by WIX®. Height: 1.142". Inner Diameter Top: Closed. Length: 8.846". 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
      $16.72
    • (0 reviews)
      # 85591054
      Honda Civic Si / Civic SiR 2005, 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
      $7.96
    • (0 reviews)
      # 44702136
      Honda Civic Si 2005, Air Temp. Sensor by Genuine®. Is your vehicle hard to start? Does its stumble and stall, and idle rough? Are you making more frequent visits to the pump? Your fuel system may need repair, but before you waste...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $56.22
    • (0 reviews)
      # 133396231
      Honda Civic Si / Civic SiR 2005, Air Temperature Sensor by Genuine®. 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
      $56.22
    • (0 reviews)
      # 97661085
      Honda Civic Si / Civic SiR 2.0L 2005, Intake Manifold Gasket by AJUSA®. Gasket Material:Coated Steel. These gaskets seal components in the intake and exhaust systems of the vehicle such as the intake manifold, intake plenum, and...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $9.62
    • (0 reviews)
      # 81852325
      Honda Civic Si 2.0L 2005 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
      $14.10
    • (0 reviews)
      # 128513398
      Honda Civic Si 2005, 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
      $9.19 - $31.93
    • (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




    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

    2005 Honda Civic Si Performance Air Intake Systems Reviews

    Average rating:  5  5 - 2 reviews
    4.5 of 5
    100 % Worth It!
    I'd say this product is worth it! I installed an exhaust before putting this on and it brought everything out! Really well made and mounting brackets fit right up! I'd say the hardest part about installing this would be taking the stock closed box system out!! 05 Civic SI get one!
    JPosted by Justin (Stillwater, OK) /
    2005 Honda Civic Si
    Was this review helpful for you? Yes
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