2001 Ford Focus Performance Air Intake Systems

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    • K&N® 57 Series FIPK Generation II Air Intake System with Intake Pipe with Heat Shield
      (0 reviews)
      # 107677109
      Ford Focus DOHC 1989 CC 2001, 57 Series FIPK Generation II Air Intake System with Intake Pipe with Heat Shield by K&N®. Replacement Filter # RP-4740. Use with Pre-Filter # RF-1023DK. Air Filter Height: 6" (152 mm). Air Filter Large...
      Guaranteed to increase horsepower and improve accelerationCustom designed and engineered for each application
      $280.99
    • K&N® 57i Series Generation I Air Intake System with Intake Pipe
      (0 reviews)
      # 335518
      Ford Focus 2001, 57i Series Generation I Air Intake System with Intake Pipe by K&N®. Replacement Filter # RC-5129. Air Filter Height: 5.313" (135 mm). Air Filter Material: Cotton Gauze. Clamp Style: Regular. Intake Pipe Finish:...
      Guaranteed to increase horsepowerSpecifically designed for each application
      $141.99
    • K&N® 57i Series Generation II Air Intake System with Intake Pipe
      (0 reviews)
      # 323558
      Ford Focus 2001, 57i Series Generation II Air Intake System with Intake Pipe by K&N®. Replacement Filter # RF-1005. Air Filter Height: 4.5" (114 mm). Air Filter Large End Diameter: 5.875" (149 mm). Air Filter Material: Cotton...
      Guaranteed to increase horsepower and improve accelerationCustom designed and engineered for each application
      $198.99
    • K&N® 69 Series Typhoon Short Ram Air Intake System
      (0 reviews)
      # 107677652
      Ford Focus 2001, 69 Series Typhoon Short Ram Air Intake System by K&N®. Replacement Filter # RU-4860. Use with Pre-Filter # RX-4730DK. Air Filter Height: 6.5" (165 mm). Air Filter Large End Diameter: 6" (152 mm). Air Filter...
      Guaranteed to increase horsepower and improve accelerationCustom designed and engineered for each application
      $230.99 - $268.99
    • K&N® Apollo Cold Air Intake System
      (0 reviews)
      # 323495
      Ford Focus 2001, 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: 2 Clamps. Cooler air inlet temperatures...
      Guaranteed to increase horsepower and improve accelerationWorks with OEM computer system
      $227.99
    • AEM® Aluminum Cold Air Intake System
      (0 reviews)
      # 108343580
      Ford Focus 1989 CC 2001, Aluminum Cold Air Intake System by AEM®. Replacement Filter # 21-201DK. Use with Pre-Filter # 1-4000. Tube Material: Aluminum. To deliver cooler air to the engine, this air intake system places the air...
      Delivers more oxygen to the combustion chamber by drawing in cooler airCustom designed and engineered to deliver maximum power for each specific vehicle
      $277.99 - $301.99
    • AEM® Aluminum Short Ram Air Intake System
      (0 reviews)
      # 108343584
      Ford Focus 1989 CC 2001, Aluminum Short Ram Air Intake System by AEM®. Replacement Filter # 21-201DK. Use with Pre-Filter # 1-4000. Includes: 5 Hose Clamps. Tube Material: Aluminum. This system is an economical alternative to AEM's...
      Delivers increased performance for less costEasily installs under the hood
      $203.99 - $227.99
    • Weapon-R® Dragon Air Intake System (Polished Pipe, Gunmetal Filter Cage, Black Foam Filter)
      (0 reviews)
      # 283021
      Ford Focus ZX3 2001, Dragon Air Intake System by Weapon-R®. Pipe Finish: Polished. Filter Cage Finish: Gunmetal. Foam Filter Finish: Black. Weapon-R Intake Systems are CNC Mandrel Bent out of 6061 aluminum, and then Hand Tig Welded...
      Custom designed and engineered for each applicationEach system is tuned to maximize engine performance output
      $194.65
    • Weapon-R® Secret Weapon Air Intake System (Polished Pipe, Gunmetal/Black Foam Filter)
      (0 reviews)
      # 100728894
      Ford Focus SE / ZTS / ZX3 DOHC 2001, Secret Weapon Air Intake System by Weapon-R®. Pipe Finish: Polished. Foam Filter Finish: Gunmetal/Black. The Secret Weapon Air Intake System uses patented technology to feed the engine 3 times...
      Patented technology increases airflow 3 times more than conventional systemsEach system is tuned to maximize engine performance output
      $237.15
    • Weapon-R® Secret Weapon Neo-Ti Air Intake System (Neo Ti Pipe, Gunmetal/Black Foam Filter)
      (0 reviews)
      # 284816
      Ford Focus SE / ZTS / ZX3 DOHC 2001, Secret Weapon Neo-Ti Air Intake System by Weapon-R®. Pipe Finish: Neo Ti. Foam Filter Finish: Gunmetal/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
      $331.50
    • K&N® 33 Series Panel Air Filter
      (0 reviews)
      # 319469
      Ford Focus 1989 CC 2001, 33 Series Panel Air Filter by K&N®. Filter Material: Cotton Gauze. Filter Re-Oiling Amount: 0.93 oz (27 ml). Height: 1.063" (27 mm). Outside Length: 10.375" (264 mm). Outside Width: 5.625" (143 mm)....
      Improves engine airflowIncreases horsepower and acceleration
      $47.99
    • aFe® Magnum Flow Pro 5R Panel Air Filter
      (0 reviews)
      # 918884
      Ford Focus 2001, Magnum Flow Panel Air Filter by aFe®. Filter Series: Pro 5R. This Pro 5R air filter provides performance filtration and maximum convenience. Constructed with 100% polyurethane on all sides, this high flow cotton...
      Deep Cotton Pleats for Increased FlowFits In Factory Housing
      $49.95
    • aFe® Magnum Flow Pro Dry S Panel Air Filter
      (0 reviews)
      # 921741
      Ford Focus 2001, Magnum Flow Panel Air Filter by aFe®. Filter Series: Pro Dry S. Constructed with 100% polyurethane on all four sides, this high flow "oil-free" OE replacement performance filter will outflow stock paper filter for...
      For Improved Horsepower And TorqueLimited Lifetime Warranty
      $49.95
    • GREEN FILTER® Factory Replacement Air Filter
      (1 reviews)
      # 3353320
      Ford Focus 2001, 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
      $30.50
    • Volant® PowerCore® Air Filter
      (1 reviews)
      # 102504091
      PowerCore® Air Filter by Volant®. By using Donaldson's® PowerCore® Filtration Technology submicron contaminants load on the surface rather than collecting in the depth of the filter. This boosts efficiency and increases...
      High-Quality Synthetic MaterialProvides Vastly Improved Filtration up to 99.97%
      $76.38 - $92.56
    • Volant® Primo Air Filter
      (0 reviews)
      # 102504148
      Primo Air Filter by Volant®. Volant's high performance 5 layer air filters are made of the highest quality textiles, pleated between a top and bottom aluminum screen.
      Cleanable and ReusableFive-Layers of protection
      $57.25 - $71.93
    • Volant® Pro 5 Air Filter
      (1 reviews)
      # 102504155
      Pro 5 Air Filter by Volant®. Volant's high performance 5 layer air filters are made of the highest quality textiles, pleated between a top and bottom aluminum screen.
      Cleanable and ReusableFive-Layers of protection
      $54.58 - $66.15
    • Volant® Pro 5 Round Straight Air Filter Breather
      (1 reviews)
      # 102504086
      Pro 5 Round Straight Air Filter Breather by Volant®. Flange Inside Diameter: 0.75". Base Outside Diameter: 2". Top Outside Diameter: 2". Height: 1.5". Volant's high performance 5 layer air filters are made of the highest quality...
      Cleanable and ReusableFive-Layers of protection
      $32.57
    • Spectra Premium® Mass Air Flow Sensor
      (0 reviews)
      # 103892227
      Ford Focus 1989 CC 2001, Mass Air Flow Sensor by Spectra Premium®. Spectra Premium’s complete line of new Mass Air Flow Sensors, featuring Ceramic PC boards to ensure premium performance and durability.
      Provide more consistent voltage to eliminate engine rough idle problemsPlatinum connector threads reduce the number of connection points for faster reaction to change
      $80.26 - $86.21
    • Volant® Primo Air Filter Cleaner and Degreaser
      (0 reviews)
      # 102504085
      Universal Primo Air Filter Cleaner and Degreaser by Volant®. Volant's high performance 5 layer air filters are made of the highest quality textiles, pleated between a top and bottom aluminum screen.
      Cleanable and ReusableFive-Layers of protection
      $15.10
    • Volant® Pro 5 Air Filter Cleaner and Degreaser
      (1 reviews)
      # 102504084
      Universal Pro 5 Air Filter Cleaner and Degreaser by Volant®. Volant's high performance 5 layer air filters are made of the highest quality textiles, pleated between a top and bottom aluminum screen.
      Cleanable and ReusableFive-Layers of protection
      $15.10
    • Volant® Pre-Filter
      (4 reviews)
      # 102504110
      Pre-Filter by Volant®. This accessory for Volant air filters is recommended when a Ram Air Scoop is installed or if the vehicle is used for serious off-roading. It prevents the filter from becoming saturated if splashed by water...
      $25.95 - $34.62
    • Spectre Performance® 3" Airflow Sensor Mount
      (1 reviews)
      # 12036508
      Ford Focus 2001, 3" Airflow Sensor Mount by Spectre Performance®. Rooted in racing, Spectre Performance designs and builds every product with the same goal in mind - the best performance in the market proven on the racetrack! All...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $9.96
    • Taylor Cable® Throttle Body Spacer
      (0 reviews)
      # 89552786
      Ford Focus 2001, 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 complete fuel burn....
      Precision machined from solid T-6061 billet aluminumUp to 22 hp gains
      $104.06
    • Weapon-R® Intake Manifold Thermal Gasket
      (0 reviews)
      # 289939
      Ford Focus 2001, Intake Manifold Thermal Gasket by Weapon-R®. We have developed a special high temperature insulating gasket which replaces the OEM intake gasket. By reducing heat transfer from the cylinder head, to the incoming...
      Reduces heat transfer from the cylinder headCooler intake air results in up to 5% more power
      $68.00
    • Weapon-R® Throttle Body Thermal Gasket
      (0 reviews)
      # 289958
      Ford Focus 2001, Throttle Body Thermal Gasket by Weapon-R®. We have developed a special high temperature insulating gasket which replaces the OEM intake gasket. By reducing heat transfer from the cylinder head, to the incoming air...
      Reduces heat transfer from the cylinder headCooler intake air results in up to 5% more power
      $30.00
    • Bosch® Air Filter
      (0 reviews)
      # 78095992
      Ford Focus 2001, 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 a dirty...
      Protects Your Engine by Stopping 98% of Engine-Threatening ParticlesPrevention of Unfiltered Air Entering Engine Intake with a High-Quality Seal
      $7.64 - $17.36
    • Denso® Air Filter
      (0 reviews)
      # 85801810
      Ford Focus 2001, 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 engineering and...
      High airflow rate improves performance and fuel economySuperior dust holding capacity increases filter life
      $8.65
    • FRAM® Extra Guard™ Flexible Panel Air Filter
      (0 reviews)
      # 18681202
      Ford Focus 2001, Extra Guard™ Flexible Panel Air Filter by FRAM®. Size: 10.19" (L) x 5.81" (W) x 1.91" (H). Most dirt and dust enters the engine through the air filter and FRAM Extra Guard is engineered to provide twice the air...
      Provides better air filtration for improved performancePrevents damaging particles from entering your engine
      $9.82
    • Full® Air Filter
      (0 reviews)
      # 8013276
      Ford Focus 2001, 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 your...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $11.19
    • Hastings® Air Filter
      (0 reviews)
      # 21456167
      Ford Focus 2001, Air Filter 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 meet or exceed the...
      Filters out dirt and dust in the air preventing them from entering the engineHeavy duty construction for long service life
      $10.32
    • Motorcraft® Air Filter
      (0 reviews)
      # 23869656
      Ford Focus 2001, Air Filter by Motorcraft®. The air filter is a simple yet crucial part of your vehicle that keeps dust and road debris out of the engine. If the air filter is clogged up and starts to choke off the airflow to your...
      Direct OEM replacement for proper fitRecommended by Ford Motor Company
      $15.73
    • NPN® Air Filter
      (0 reviews)
      # 84192486
      Ford Focus 2001, 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 you waste your...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $7.85
    • WIX® Air Filter Panel
      (0 reviews)
      # 87633989
      Ford Focus 2001, Air Filter Panel by WIX®. Height: 1.835". Inner Diameter Top: Closed. Length: 10.544". MediaType: Cellulose. Style: Air Filter Panel. Considering as much as 10,000 gallons of air must pass through the air filter...
      Prevents foreign particles like carbon, soot and abrasives from entering the fuel mixEnsures superior engine protection
      $10.06
    • A1 Cardone® Remanufactured Mass Air Flow Sensor
      (0 reviews)
      # 35534248
      Ford Focus 2001, Remanufactured Mass Air Flow Sensor by A1 Cardone®. Mass Air Flow Sensor. Domestic. Without Housing. With Instruction Sheet. Mounting Holes: 2. Mounting Type: Bolt-On. MAF Sensors precisely track O.E. output curves...
      50-state emissions street legalThe finest quality at a great price
      $66.70
    • Delphi® Mass Air Flow Sensor
      (0 reviews)
      # 24557221
      Ford Focus 1989 CC 2001, Mass Air Flow Sensor by Delphi®. When it comes to MAF sensors, communication with the ECM is key. That’s why Delphi MAF sensors use all new parts - never remanufactured parts that could harbor debris and...
      Extensive coverageAvailable in a variety of bore diameters to accommodate a wide range of airflow, resulting in a robust design for electrical overloads
      $100.01
    • Motorcraft® Mass Air Flow Sensor
      (0 reviews)
      # 23873427
      Ford Focus 2001, Mass Air Flow Sensor by Motorcraft®. If you're looking for the most suitable replacement for a defective mass air flow sensor, Motorcraft is the way to go. It is the only MAF sensor recommended by Ford Motor...
      Direct OEM replacement for proper fitBuilt to strict Ford Motor Company specifications
      $97.29
    • Richporter® Air Mass Sensor
      (0 reviews)
      # 101134358
      Ford Focus 2001, Air Mass Sensor by Richporter®. 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
      $156.36
    • Bosch® Workshop Particulate Cabin Air Filter
      (0 reviews)
      # 24215736
      Ford Focus 2001, Workshop Particulate Cabin Air Filter by Bosch®. Width: 167 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
      $12.46
    • Denso® Cabin Air Filter
      (0 reviews)
      # 85811647
      Ford Focus 2001, Cabin Air Filter by Denso®. For people with allergies and other sensitivities to airborne agents, the cabin filter represents a significant advance. Replacing the cabin air filter at the recommended interval, or...
      Filter designed to trap contaminants before they enter the vehicle cabinPremium-quality filter media stops particulates down to 0.001 microns
      $9.72 - $23.42
    • FRAM® Fresh Breeze™ Cabin Air Filter
      (0 reviews)
      # 83749441
      Ford Focus 2001, Fresh Breeze™ Cabin Air Filter by FRAM®. Size: 13.83" (L) x 6.5" (W) x 1.18" (H). The Fresh Breeze is engineered to filter and deodorize airflow drawn into the vehicle through the A/C, heating, and ventilation...
      Filters up to 98% of road dust and road pollenRemoves the reoccurring musty smell that can develop in air conditioning and heating systems
      $20.15
    • Hastings® Cabin Air Filter
      (0 reviews)
      # 21458602
      Ford Focus 2001, 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
      $14.83
    • Mahle® Cabin Particulate Filter
      (0 reviews)
      # 53986720
      Ford Focus 2001, Particulate Filter ACC Cabin Filter by Mahle®. 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...
      $39.37
    • Motorcraft® Cabin Air Filter
      (0 reviews)
      # 24439490
      Ford Focus 2001, Cabin Air Filter by Motorcraft®. Are you shivering behind the wheel in the winter or sweating in traffic in the summer? Then your A/C and heating systems require repair, and Motorcraft has premium replacement parts...
      Direct OEM replacement for proper fitRecommended by Ford Motor Company
      $16.34
    • NPN® Cabin Air Filter
      (0 reviews)
      # 8727346
      Ford Focus 2001, 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...
      $14.53
    • Pilot® Cargon Cabin Air Filter
      (0 reviews)
      # 11775472
      Ford Focus 2001, Cargon Cabin Air Filter by Pilot®, 1 Piece. This is an aftermarket part that replaces factory OE # XS4Z 19N619 AA. A high quality, direct fit OE replacement cabin air filter. Provides effective protection to your...
      Helps you to get the most out of your vehiclePrecision designed to perfectly fit your vehicle
      $12.58
    • WIX® Cabin Air Panel
      (0 reviews)
      # 87633991
      Ford Focus 2001, Cabin Air Panel by WIX®. Height: 1.181". Inner Diameter Top: Closed. Length: 13.582". MediaType: Particulate. Style: Cabin Air Panel. WIX cabin air filters capture airborne contaminants like dirt, soot, pollen, and...
      Provides premium cabin air filtrationPrevents leaves, bugs, dirt, and other debris from entering your vehicle's HVAC system
      $14.14
    • ATP® Premium Line Cabin Air Filter
      (0 reviews)
      # 23357593
      Ford Focus 2001, Premium Line Cabin Air Filter by ATP®. Particulate (White) Only. The cabin filter is designed and manufactured to reduce the amount of airborne pollutants and particles entering the cabin. This product by ATP is...
      Fully meets OE requirements for fit and operationDirect replacement for a proper fit
      $9.34
    • TYC® Cabin Air Filter
      (0 reviews)
      # 12026901
      Ford Focus 2001, Cabin Air Filter by TYC®. 1 Piece, Carbon 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 have clean...
      OE quality at an affordable priceDirect replacement
      $9.62
    • Standard® Tru-Tech™ Engine Coolant Temperature Sensor
      (0 reviews)
      # 23782110
      Ford Focus 2001, Tru-Tech™ Engine Coolant Temperature Sensor by Standard®. 3/8" x 18 Thread. 2 Blade Terminals Connector. Finish: Black. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down...
      OE quality fluids from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $13.15
    • Dorman® Intake Manifold Expansion Plug
      (0 reviews)
      # 31598206
      Ford Focus P Engine VIN code 2001, Intake Manifold Expansion Plug by Dorman®. 1.25" Brass Shallow Cup. Engine Expansion Plugs are available in multiple styles, including Cup Type, Pilot Seal™, Reverse Taper, Concave, Quick-Seal®...
      Many sizes availableConveniently available in packs of different quantities
      $2.58 - $19.98
    • Victor Reinz® Intake Manifold Gasket
      (0 reviews)
      # 24123882
      Ford Focus 2001, 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. But before...
      OE quality fluids from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $11.02 - $15.25
    • DNJ Engine Components® Intake Manifold Gasket Set
      (0 reviews)
      # 81865388
      Ford Focus 2001 Intake Manifold Gasket Set by DNJ Engine Components®. Get this top-grade quality replacement for your worn out part from DNJ. Expertly crafted from premium materials, this product is of the finest quality to provide...
      Designed to restore your vehicle's original performanceProvides superior sealing performance
      $9.58 - $19.05
    • Fel-Pro® Intake Manifold Gasket Set
      (0 reviews)
      # 18977500
      Ford Focus 2001, 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 gaskets...
      Direct OEM replacement for a proper fitEnsure reliable sealing performance
      $13.15 - $24.90
    • Standard® Mass Air Flow Sensor Connector
      (0 reviews)
      # 44836942
      Ford Focus 2001, Mass Air Flow Sensor Connector by Standard®. 6 Terminals Connector. Finish: Black. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality products,...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $28.90
    • Dorman® Vacuum Pump Connector
      (0 reviews)
      # 84944890
      Ford Focus 2001, Vacuum Pump Connector by Dorman®. With Leads. 4 Way Female Terminals Connector. Dorman has all the components needed for a complete repair. Quickly and easily installed, it eliminates the clunking noise that may...
      Easy to installDirect replacement for a proper fit
      $12.37
    • K&N® Apollo Cold Air Intake System
      (0 reviews)
      # 107660077
      Universal Apollo 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 Pipe Finish: Flat...
      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
    • AEM® Aluminum Raw Aluminum Cold Air Intake System (21-5011)
      (0 reviews)
      # mpn1640291
      Universal Aluminum Raw Aluminum Cold Air Intake System by AEM®. Replacement Filter # 21-2059DK. Use with Pre-Filter # 1-4001. Tube Material: Aluminum. Tube Finish: Raw Aluminum. To deliver cooler air to the engine, this air intake...
      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
    • Weapon-R® Dragon Air Intake System (3" I.D. 8" Straight Pipe) (839-111-101)
      (0 reviews)
      # mpn1632162
      Universal Dragon Air Intake System (3" I.D. 8" Straight Pipe) by Weapon-R®. If you’re hungry for more power, performance and torque, this top-of-the-line intake system is sure to blow you away. This high-flow design of this...
      Brings a cold intake charge to the engineComputer designed
      $126.65
    • Weapon-R® Secret Weapon Air Intake System (3" I.D. 8" Straight Pipe) (339-111-101)
      (0 reviews)
      # mpn1632134
      Universal Secret Weapon Air Intake System (3" I.D. 8" Straight Pipe) by Weapon-R®. The Secret Weapon Air Intake System uses patented technology to feed the engine 3 times as much air as other systems. As a result, engine...
      Patented technology increases airflow 3 times more than conventional systemsEach system is tuned to maximize engine performance output
      $169.15




    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

    2001 Ford Focus Performance Air Intake Systems Reviews

    Average rating:  5  5 - 1 review
    5 of 5
    Great Filter
    The filter looks and feels a lot better than the stock filter. My car has definitely been running smoother than it did before.
    MPosted by Matthew (Sacramento, CA) /
    2001 Ford Focus
    Was this review helpful for you? Yes
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