1981 Chevy Impala Performance Air Intake Systems

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    • Spectre Performance® Round OE Replacement Air Filter
      (0 reviews)
      # 49224031
      Chevy Impala 1981, Round HPR™ OE Replacement Air Filter 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...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $16.70
    • K&N® E Series Air Filter
      (0 reviews)
      # 34622350
      Chevy Impala 1981, E Series Air Filter by K&N®. Get better performance, superior engine protection and more economical operation just by changing your air filter. The K&N air filter gives you increased airflow without sacrificing...
      Improves engine airflowIncreases horsepower and acceleration
      $39.99 - $58.99
    • AEM® DryFlow Round Air Filter
      (0 reviews)
      # 55967146
      Chevy Impala Gas 5.0L / 5.7L 1981, DryFlow Round Air Filter by AEM®. Let your engine breathe with an AEM DryFlow filter! Every DryFlow filter is engineered to exceed the engine's normal airflow requirement. And thanks to AEM's...
      Exceeds the engine’s normal airflow capacityEasy to clean – no oiling required
      $54.99
    • GREEN FILTER® Factory Replacement Air Filter
      (0 reviews)
      # 56292270
      Chevy Impala 1981, 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
      $38.15 - $38.91
    • Edelbrock® Dual-Quad Intake Manifold
      (0 reviews)
      # 17611220
      Chevy Impala 5.0L / 5.7L Gas 1981, Dual-Quad Intake Manifold by Edelbrock®. 1500-5500 RPM. Without EGR. Their larger plenums and runners match the free-flowing exhaust, high-lift cams and other modifications of a high output...
      The finest quality at a great priceWe carry everything needed to complete the job
      $322.13 - $518.01
    • Edelbrock® Performer EPS Intake Manifold
      (0 reviews)
      # 17626198
      Chevy Impala 5.0L / 5.7L Small Block Gas 1981, Performer EPS Intake Manifold by Edelbrock®. Idle-5500 RPM. Without EGR. Performer manifolds are dual-plane, low-rise intake manifolds with a 180° firing order and patented runner...
      Fast shipping; 1-2 day delivery time regardless of where you’re locatedThe finest quality at a great price
      $141.59 - $298.53
    • Edelbrock® Performer Intake Manifold
      (0 reviews)
      # 17623371
      Chevy Impala 1981, Performer Intake Manifold by Edelbrock®. Idle-5500 RPM. Performer manifolds are dual-plane, low-rise intake manifolds with a 180° firing order and patented runner design that you won't find in other brands. This...
      Fast shipping; 1-2 day delivery time regardless of where you’re locatedThe finest quality at a great price
      $175.81 - $353.99
    • Edelbrock® Performer RPM Intake Manifold
      (0 reviews)
      # 17627225
      Chevy Impala 5.0L / 5.7L Small Block Gas 1981, Performer RPM Intake Manifold by Edelbrock®. 1500-6500 RPM. Without EGR. Performer RPMs are dual-plane, high-rise intakes with 180° firing order to produce incredible top-end...
      50-state emissions street legalThe finest quality at a great price
      $193.51 - $371.69
    • Edelbrock® RPM Air-Gap Dual-Quad Intake Manifold For Square-Bore Carburetors
      (0 reviews)
      # 17614246
      Chevy Impala 5.0L / 5.7L Small Block Gas 1981, RPM Air-Gap Dual-Quad Intake Manifold For Square-Bore Carburetors by Edelbrock®. 1500-6500 RPM. Without EGR. Their larger plenums and runners match the free-flowing exhaust, high-lift...
      The finest quality at a great priceWe carry everything needed to complete the job
      $323.31 - $436.34
    • Edelbrock® RPM Air-Gap Manifold For Square-Bore Carburetors
      (0 reviews)
      # 17628801
      Chevy Impala 5.0L / 5.7L Small Block Gas 1981, RPM Air-Gap Manifold For Square-Bore Carburetors by Edelbrock®. 1500-6500 RPM. Without EGR. Performer manifolds are dual-plane, low-rise intake manifolds with a 180° firing order and...
      Fast shipping; 1-2 day delivery time regardless of where you’re locatedThe finest quality at a great price
      $251.33 - $451.93
    • Edelbrock® Street Tunnel Ram Intake Manifold
      (0 reviews)
      # 17628265
      Chevy Impala 5.7L Gas 1981, Street Tunnel Ram Intake Manifold by Edelbrock®. 3500-7500 RPM. With EGR. Performer manifolds are dual-plane, low-rise intake manifolds with a 180° firing order and patented runner design that you won't...
      Fast shipping; 1-2 day delivery time regardless of where you’re locatedThe finest quality at a great price
      $407.09
    • Edelbrock® Triple Deuce Intake Manifold
      (0 reviews)
      # 17611993
      Chevy Impala 5.0L / 5.7L Gas 1981, Triple Deuce Intake Manifold by Edelbrock®. Idle-5500 RPM. Without EGR. Their larger plenums and runners match the free-flowing exhaust, high-lift cams and other modifications of a high output...
      50-state emissions street legalThe finest quality at a great price
      $315.05
    • Edelbrock® Vortec Triple Deuce Intake Manifold
      (0 reviews)
      # 17612561
      Chevy Impala 5.0L / 5.7L Gas 1981, Vortec Triple Deuce Intake Manifold by Edelbrock®. Idle-5500 RPM. Without EGR. Now available for small-block Chevys with Vortec or Edelbrock E-Tec cylinder heads, thePerformer EPS dual-plane...
      50-state emissions street legalThe finest quality at a great price
      $328.03
    • Professional Products® Intake Manifold
      (0 reviews)
      # 14151002
      Chevy Impala 4.4L / 5.0L / 5.7L Gas 1981, Intake Manifold by Professional Products®.
      $132.34 - $239.88
    • Edelbrock® Intake Gasket
      (0 reviews)
      # 17607108
      Chevy Impala 5.7L Small Block Gas 1981, Intake Gasket by Edelbrock®, 1 Pair. Port: 1.26"x2.24". Thick: 0.060". Any gasket can create a seal, but a good gasket can do it with less clamping force, and for a longer period of time....
      Fast shipping; 1-2 day delivery time regardless of where you’re locatedThe finest quality at a great price
      $26.18
    • BTP® Round Air Filter
      (0 reviews)
      # 69335204
      Chevy Impala 5.0L / 5.7L 1981, Round Air Filter by BTP®. Size: 6-1/8" x 3.5". This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is...
      Designed for the ultimate in performanceMade from premium materials
      $18.61
    • Professional Products® Intake Manifold Bolt Set
      (0 reviews)
      # 14142951
      Chevy Impala 4.4L / 5.0L / 5.7L Gas 1981, Intake Manifold Bolt Set by Professional Products®. Intake Manifold Bolt Set; 12 Point Stainless.
      $27.59
    • Professional Products® Intake Manifold Gasket Set
      (0 reviews)
      # 14151023
      Chevy Impala 4.4L / 5.0L / 5.7L Gas 1981, Intake Manifold Gasket Set by Professional Products®. Power+Plus®; Intake Gasket Set.
      High performance gasketsSilicone beading for additional sealing
      $16.33 - $26.80
    • Mr. Gasket® Intake Gasket
      (0 reviews)
      # 12339062
      Chevy Impala Gas 5.0L / 5.7L 1981, Intake Gasket by Mr. Gasket®. You won't find a more perfect way to make your vehicle look better and drive faster than with the top-notch Mr. Gasket products. That is the only stop you need to...
      Returns your vehicle to its pristine stateExceptional quality at a great price
      $22.14 - $31.70
    • Mr. Gasket® Ultra-Seal™ Intake Gasket
      (0 reviews)
      # 12371019
      Chevy Impala Gas 1981, Ultra-Seal™ Intake Gasket by Mr. Gasket®. You won't find a more perfect way to make your vehicle look better and drive faster than with the top-notch Mr. Gasket products. That is the only stop you need to...
      Returns your vehicle to its pristine stateExceptional quality at a great price
      $26.23 - $30.94
    • Mr. Gasket® Intake Manifold Bolt Set
      (0 reviews)
      # 12335910
      Chevy Impala Gas 5.0L / 5.7L 1981, Intake Manifold Bolt Set by Mr. Gasket®. You won't find a more perfect way to make your vehicle look better and drive faster than with the top-notch Mr. Gasket products. That is the only stop you...
      Returns your vehicle to its pristine stateExceptional quality at a great price
      $10.80 - $37.13
    • Spectre Performance® Intake Bolt and Washer Set
      (0 reviews)
      # 12061457
      Chevy Impala GAS 4.4L / 5.0L / 5.7L 1981, Intake Bolt and Washer Set 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...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $4.00
    • Spectre Performance® Intake Gasket Kit
      (0 reviews)
      # 12061729
      Chevy Impala GAS 5.0L / 5.7L 1981, Intake Gasket Kit 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...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $16.70
    • COMP Cams® Intake Manifold
      (0 reviews)
      # 14325462
      Chevy Impala 4.4L / 5.0L / 5.7L Gas 1981, Intake Manifold by COMP Cams®. Intake Manifold; Non-EGR; 14 deg.; Single Plane; 2500-7500rpm; Standard Gen 1 Deck; Rectangular Port; 4 bbl Carb; Aluminum.
      $525.30
    • COMP Cams® Intake Manifold Gasket Set
      (0 reviews)
      # 14325503
      Chevy Impala 4.4L / 5.0L / 5.7L Gas 1981, Intake Manifold Gasket Set by COMP Cams®. Intake Gasket; Small Block Chevy; 1.32in.x 2.22in.
      $30.33
    • FRAM® Extra Guard™ Air Filters
      (0 reviews)
      # 18694198
      Chevy Impala 1981, Extra Guard™ Air Filters by FRAM®. Most dirt and dust enters the engine through the air filter and FRAM Extra Guard is engineered to provide twice the air filtration compared to an original filter. It also...
      Provides better air filtration for improved performancePrevents damaging particles from entering your engine
      $8.46 - $11.71
    • MANN-Filter® Air Filter
      (0 reviews)
      # 20569135
      Chevy Impala Gas 1981, Air Filter by MANN-Filter®. Get excellent engine protection and more economical operation just by replacing your air filter. This MANN air filter is specially designed for your vehicle to ensure a precise fit...
      Optimum protection for the engine, airflow meters and other sensorsPerfectly adapted in form and function to your vehicle
      $9.18 - $9.82
    • Hastings® Air Filter
      (0 reviews)
      # 21475005
      Chevy Impala 1981, 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
      $7.70 - $13.76
    • Standard® Handypack™ Manifold Absolute Pressure Sensor Connector
      (0 reviews)
      # 43985036
      Chevy Impala 1981, Handypack™ Manifold Absolute Pressure Sensor Connector by Standard®. Black. Oval. 3 Terminal Male. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $10.70
    • Standard® Manifold Absolute Pressure Sensor
      (0 reviews)
      # 64703963
      Chevy Impala 1981, Manifold Absolute Pressure Sensor by Standard®. Do you hear nothing but “click, click” when you turn the key? Is the BATTERY dash light on? Your vehicle is in need of engine electrical system repair, but...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $48.67 - $49.73
    • Dorman® Air Cleaner Hold-Down Clamps
      (0 reviews)
      # 31565366
      Chevy Impala 1981, Black Metal Air Cleaner Hold-Down Clamps by Dorman®. Prevent dirt and water from entering the engine, and protect your vehicle against possible engine damage or performance problems, with Dorman’s Air Cleaner...
      Manufactured from high-quality materials for long-lasting durabilityDirect replacement fasteners available (where applicable) to ensure a proper fit
      $1.46 - $2.34
    • Victor Reinz® Air Cleaner Mounting Gasket
      (0 reviews)
      # 24090354
      Chevy Impala 1981, Air Cleaner Mounting Gasket by Victor Reinz®, Use 1 per Car. OEM Standard. Material: Victo-Tech. When you’re low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts...
      $1.28 - $3.16
    • Standard® Manifold Absolute Pressure Sensor Connector
      (0 reviews)
      # 63906107
      Chevy Impala 1981, Manifold Absolute Pressure Sensor Connector by Standard®. Finish: Black. 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
      $15.19 - $20.49
    • Victor Reinz® Intake Manifold Gasket
      (0 reviews)
      # 24090345
      Chevy Impala 1981, Intake Manifold Gasket by Victor Reinz®, Use 1 per Car. 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 you waste your...
      $13.14 - $29.70
    • Standard® Ported Vacuum Switch
      (0 reviews)
      # 64703945
      Chevy Impala 1981, Ported Vacuum Switch 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 highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $21.62 - $68.61
    • Standard® Vacuum Delay Valve
      (0 reviews)
      # 64703960
      Chevy Impala 1981, Vacuum Delay Valve 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 highest reputation for...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $11.23 - $24.83
    • Standard® Vacuum Regulator Valve
      (0 reviews)
      # 64493953
      Chevy Impala 1981, Vacuum Regulator Valve by Standard®. Finish: Green. 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
      $96.09
    • Standard® Handypack™ Barometric Pressure Sensor Connector
      (0 reviews)
      # 43985040
      Chevy Impala 1981, Handypack™ Barometric Pressure Sensor Connector by Standard®. Black. Oval. 3 Terminal Male. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest quality...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $10.70
    • Holley® Strip Dominator Intake Manifold
      (0 reviews)
      # 63100003
      Chevy Impala 5.0L / 5.7L 1981, Strip Dominator Intake Manifold by Holley®. Strip Dominator Intake Manifold 1957-1986 262ci-400ci, 1987-later with Aluminum Heads.
      Single Plane with Isolated PlenumSquare Bore Carburetor Mounting Flange
      $223.95
    • Weiand® Speed Warrior Series Intake Manifold
      (0 reviews)
      # 64860405
      Chevy Impala Gas 4.4L / 5.0L / 5.7L 1981, Speed Warrior Series Intake Manifold by Weiand®. The Weiand Speed Warrior features long, separated runners for bottom-end and mid-range power, plus a special runner design and larger plenum...
      Permanent Mold CastingPrecision CNC machining
      $214.95 - $233.95
    • Weiand® Stealth RAM Series Intake Manifold
      (0 reviews)
      # 64860410
      Chevy Impala Gas 4.4L / 5.0L / 5.7L 1981, Stealth RAM Series Intake Manifold by Weiand®. The Stealth Ram intake manifolds are designed with an aggressive, sophisticated look for today’s EFI engines. Patterned after a tunnel ram...
      Power band: Idle to 6500 RPMD shaped Runners Promote High Flow Rates W/O Turbulence
      $383.95
    • Weiand® Street Warrior Intake Manifold
      (0 reviews)
      # 64860413
      Chevy Impala Gas 4.4L / 5.0L / 5.7L 1981, Street Warrior Intake Manifold by Weiand®. The Weiand Street Warrior is designed for use on stock or stroker combinations that feature efficient cylinder heads. The latest advances in cam...
      Precision CNC machiningPower band: Idle-5500 RPM
      $143.95 - $190.95
    • Weiand® Team G Intake Manifold
      (0 reviews)
      # 64860448
      Chevy Impala Gas 5.7L 1981, Team G Intake Manifold by Weiand®. Manifold is a 360° single-plane, open plenum design developed for competition in drag racing, oval track and performance applications. For best results, the use of...
      Single Plane with Isolated PlenumSquare Carburetor Mounting Flange
      $231.95 - $246.95
    • Weiand® X-CELerator Series Intake Manifold
      (0 reviews)
      # 64845330
      Chevy Impala Gas 4.4L / 5.0L / 5.7L 1981, X-CELerator Series Intake Manifold by Weiand®. 360°, single-plane, open plenum manifold designed primarily for high-performance street, drag, marine and oval track use. This series works...
      Single PlaneSquare Carburetor Mounting Flange
      $180.95
    • Cometic Gasket® Timing Cover Gasket
      (0 reviews)
      # 61595711
      Chevy Impala 5.0L / 5.7L 1981, Timing Cover Gasket by Cometic Gasket®, 1 Piece.
      $20.00
    • Standard® Air Cleaner Temperature Sensor
      (0 reviews)
      # 64965601
      Chevy Impala 1981, Air Cleaner Temperature 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 highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $23.80 - $73.89
    • Standard® Barometric Pressure Sensor Connector
      (0 reviews)
      # 63766028
      Chevy Impala 1981, Barometric Pressure Sensor Connector by Standard®. 3 Pin Terminals Male Connector. Finish: Black. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the highest...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $15.19
    • WIX® Air Filter
      (0 reviews)
      # 64407024
      Chevy Impala 1981, Air Filter by WIX®. Considering as much as 10,000 gallons of air must pass through the air filter for every gallon of fuel the engine consumes, WIX air filters play a vital part in preventing foreign particles...
      Prevents foreign particles like carbon, soot and abrasives from entering the fuel mixEnsures superior engine protection
      $8.30 - $13.51
    • Bosch® Air Filter
      (0 reviews)
      # 63678486
      Chevy Impala 1981, 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
      $18.92 - $21.63
    • AIRAID® Cone Air Filter
      (5 reviews)
      # 440693
      Universal Cone Air Filter by AIRAID®. Advanced air filtration technology, superior construction and the world's best warranty make an AIRAID air filter the best you can buy. It allows increased airflow and provides better air...
      Improves airflow and engine performanceProvides superior air filtration and engine protection
      $24.90 - $106.90
    • BTP® Air Cleaner Adapter
      (0 reviews)
      # 66967712
      Universal Air Cleaner Adapter by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and ensures...
      Designed for the ultimate in performanceMade from premium materials
      $1.06
    • BTP® Air Cleaner Base
      (0 reviews)
      # 66967715
      Universal Air Cleaner Base by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and ensures...
      Designed for the ultimate in performanceMade from premium materials
      $3.04 - $30.49
    • BTP® Air Cleaner Filter
      (0 reviews)
      # 66967729
      Universal Air Cleaner Filter by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and ensures...
      Designed for the ultimate in performanceMade from premium materials
      $3.49 - $31.92
    • BTP® Air Cleaner Kit
      (0 reviews)
      # 66967745
      Universal Air Cleaner Kit by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and ensures...
      Designed for the ultimate in performanceMade from premium materials
      $12.02 - $79.77
    • BTP® Air Cleaner Riser
      (0 reviews)
      # 66967763
      Universal Air Cleaner Riser by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and ensures...
      Designed for the ultimate in performanceMade from premium materials
      $1.36 - $1.51
    • BTP® Air Cleaner Stud
      (0 reviews)
      # 66967767
      Universal Air Cleaner Stud by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and ensures...
      Designed for the ultimate in performanceMade from premium materials
      $0.30 - $1.68
    • BTP® Air Cleaner Top
      (0 reviews)
      # 66967776
      Universal Air Cleaner Top by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and ensures...
      Designed for the ultimate in performanceMade from premium materials
      $4.87 - $60.54
    • BTP® Air Cleaner Wing Nut
      (0 reviews)
      # 66967795
      Universal Air Cleaner Wing Nut by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and ensures...
      Designed for the ultimate in performanceMade from premium materials
      $1.21 - $2.42
    • BTP® Black Plastic Air Cleaner Spacer
      (0 reviews)
      # 66960105
      Universal Black Plastic Air Cleaner Spacer by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials...
      Designed for the ultimate in performanceMade from premium materials
      $1.36
    • BTP® Chrome Steel Air Cleaner
      (0 reviews)
      # 66960142
      Universal Chrome Steel Air Cleaner by BTP®. This BTP superior part helps your air intake system to provide improved airflow to ensure your engine operates at its maximum. This performance part is made from premium materials and...
      Designed for the ultimate in performanceMade from premium materials
      $19.78



    Guides & Articles
    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...
    Most aftermarket air filters are constructed from multiple layers of cotton gauze, which are sandwiched between wire mesh that is formed into pleats. The layers of oiled cotton fibers are able to trap dirt particles that are even smaller than the holes in the filter media. The airflow stays consistent between cleanings, for optimal combustion.
    The easiest way to improve airflow to your engine is just by changing your stock air filter to an aftermarket performance air filter. There’s an aftermarket air intake system for every budget and every application. Even if you have a hot rod or custom car, or if your car’s just not listed in a catalog, you can still get a quality system. Everyone, regardless of...