2004 GMC Sierra Performance Air Intake Systems

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    • K&N® 57 Series FIPK Generation II Air Intake System
      (1 reviews)
      # 333747
      GMC Sierra 2004, 57 Series FIPK Generation II Air Intake System by K&N®. This kit improves airflow into your engine. It includes a K&N air filter and a custom designed air intake tube. The K&N filter increases the airflow and the...
      Guaranteed to increase horsepower and improve accelerationCustom designed and engineered for each application
      $261.99 - $308.99
    • K&N® 77 Series High-Flow Performance Polished Air Intake Kit
      (1 reviews)
      # 324976
      GMC Sierra 2004, 77 Series High-Flow Performance Air Intake Kit by K&N®. This intake kit is designed for the larger engines typically found in trucks and SUVs. It replaces the factory air intake system with a free flowing K&N air...
      Guaranteed to increase horsepower and improve accelerationCustom designed and engineered for each application
      $311.99 - $357.99
    • Injen® Evo Series Cold Rotomolded Induction System
      (0 reviews)
      # 44043242
      GMC Sierra 3500 2004, Evo Series Cold Rotomolded Induction System by Injen®. Includes: X-1068 Filter. Includes: Air Box. The Injen Evolution Air Induction System is a dyno-tuned intake system that's designed to enhance air flow for...
      Built-In Filter MinderDry Oil-Free Filter Media
      $299.95
    • Injen® PF Series Power-Flow Air Intake System
      (3 reviews)
      # 359749
      GMC Sierra 2004, PF Series Power-Flow Air Intake System by Injen®. Includes: X-1022 Filter. The PF Series Air Intake System is made for high performance cars, trucks and SUVs. It features a larger air filter and a larger diameter...
      A large air filter and large diameter air intake tube to maximize air volumeUses the patented MR Technology tuning process to ensure the air/fuel ratio is within optimum limits
      $323.00 - $386.87
    • AEM® Brute Force HD™ Diesel Aluminum Air Intake System
      (2 reviews)
      # 253104
      GMC Sierra 2004, Brute Force HD™ Diesel Aluminum Air Intake System by AEM®. Replacement Filter # 21-2259DK. Use with Pre-Filter # 1-4004. Includes: 5 Hose Clamps. Tube Material: Aluminum. Engineered to be durable and deliver the...
      Engineered for maximum airflow, filtration and durabilityThe oil-free, high-flow Dryflow™ air filter has over twice the filtration area as the standard Brute Force air filter
      $33.99 - $387.99
    • AEM® Brute Force™ Aluminum Air Intake System
      (8 reviews)
      # 251480
      GMC Sierra 2004, Brute Force™ Aluminum Air Intake System by AEM®. Tube Material: Aluminum. These systems are designed for the larger engines typically found in trucks, SUVs and late model fuel-injected muscle cars. Extensive...
      Dyno-tuned air intake pipe constructed of mandrel-bent 6061 aluminum for smooth airflowEvery system includes the innovative, oil-free, high-flow AEM Dryflow™ air filter
      $32.99 - $322.99
    • AIRAID® Cold Air Dam Intake System
      (0 reviews)
      # 434695
      GMC Sierra 2004, Cold Air Dam Intake System by AIRAID®. The Cold Air Dam Intake System positions a large 360º AIRAID air filter with a huge air inlet in the stock location, but encloses it in a housing that seals against the hood,...
      Increases airflow to the engineIsolates the air filter from engine heat, enabling it to take in cooler, denser air
      $242.66 - $339.56
    • AIRAID® Jr. Intake Kit
      (0 reviews)
      # 433424
      GMC Sierra 4.8L / 5.3L / 6.0L 2004, Jr. Intake Kit by AIRAID®. This is AIRAID's entry level performance intake kit. It improves airflow and performance while being economical and simple to install. The kit includes an AIRAID...
      Increases airflow to the engineIncreases horsepower and torque, improves performance
      $198.80 - $206.96
    • AIRAID® MXP Series Cold Air Dam Intake System
      (1 reviews)
      # 55559843
      GMC Sierra 2004, MXP Series Cold Air Dam Intake System by AIRAID®. Tube Finish: Black. The MXP Series air intake system positions a large 360º AIRAID air filter with a huge air inlet in the stock location, but encloses it in a...
      Increases airflow to the engineMolded airbox isolates the air filter from engine heat, has strategically placed air inlets to allow only the coolest air into the box
      $362.00 - $380.36
    • Weapon-R® Secret Weapon Air Intake System (Polished Pipe, Gunmetal/Black Foam Filter)
      (0 reviews)
      # 285309
      GMC Sierra 2004, 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 as much air as other...
      Patented technology increases airflow 3 times more than conventional systemsEach system is tuned to maximize engine performance output
      $279.65 - $352.75
    • aFe® Momentum GT Cold Air Intake System
      (0 reviews)
      # 38183529
      GMC Sierra Gas 4.8L / 5.3L / 6.0L GMT800 2004, Momentum GT Cold Air Intake System. by aFe®. Bringing you the next generation of intakes, the Momentum HD sealed air intake system is superior in every way: From the one-piece sealed...
      Improves airflow to your engineIsolates the air filter from engine heat, enabling it to take in cooler, denser air
      $425.00
    • aFe® Momentum HD Cold Air Intake System
      (0 reviews)
      # 38183517
      GMC Sierra Diesel 2004, Momentum HD Cold Air Intake System. by aFe®. Bringing you the next generation of intakes, the Momentum HD sealed air intake system is superior in every way: From the one-piece sealed housing with a built-in...
      Improves airflow to your engineIsolates the air filter from engine heat, enabling it to take in cooler, denser air
      $425.00 - $437.00
    • aFe® Stage 2 Cold Air Intake System
      (0 reviews)
      # 45604073
      GMC Sierra 4.8L / 5.3L 2004, Stage 2 Cold Air Intake System. by aFe®. The aFe Stage 2 Cold Air Intake System replaces your entire factory air intake system with a large high-flow aFe air filter, open element airbox/heat shield and...
      Improves airflow to your engineIsolates the air filter from engine heat, enabling it to take in cooler, denser air
      $325.00
    • aFe® Stage 2 Cold Air Intake System
      (0 reviews)
      # 925885
      GMC Sierra 2004, Stage 2 Cold Air Intake System by aFe®. The aFe Stage 2 Cold Air Intake System replaces your entire factory air intake system with a large high-flow aFe air filter, open element airbox/heat shield and a smoothly...
      Improves airflow to your engineIsolates the air filter from engine heat, enabling it to take in cooler, denser air
      $325.00 - $387.00
    • aFe® Stage 2 Si Cold Air Intake System
      (1 reviews)
      # 926500
      GMC Sierra 2004, Stage 2 Si Cold Air Intake System by aFe®. The aFe Stage 2 Si Cold Air Intake System replaces your entire factory air intake system with a large high-flow aFe air filter, a totally enclosed airbox and a smoothly...
      Improves airflow to your enginerIsolates the air filter from engine heat, enabling it to take in cooler, denser air
      $375.00 - $387.00
    • Bully Dog® Stage 2 Rapid Flow Cold Air Intake System
      (0 reviews)
      # 27107920
      GMC Sierra 2004, Stage 2 Rapid Flow Cold Air Intake System by Bully Dog®. Enclosed. Molded XLPE. Replacement Filter # 224800. Use with Pre-Filter # 225201. Maximize the power and economy potential of your intake system with a Rapid...
      Increases airflow to engineAdds a throaty growl to the intake sound
      $339.99 - $369.99
    • CGS® Air Intake System
      (1 reviews)
      # 1387300
      GMC Sierra 2500 HD 8.1L 2004, Air Intake System by CGS®. Get more power, improved performance and increased mileage in an attractive bolt-on package. With the CGS Air Intake System you get all this and a complete replacement...
      Increases intake airflowDyno proven gains in horsepower and torque
      $241.50
    • Good Hood® Ram Air Kit
      (0 reviews)
      # 62664169
      GMC Sierra Gas 4.3L / 4.8L / 5.3L / 6.0L 2004, Ram Air Kit by Good Hood®. Adds 12 HP [or more when used with Keystone functional ram-air hoods]. Includes reusable high-flow air filter and metal air dam. Easily installed in place of...
      $398.04
    • GREEN FILTER® Cold Air Intake System
      (0 reviews)
      # 3124317
      GMC Sierra 4.8L / 5.3L 2004, Cold Air Intake System by GREEN FILTER®. Improve power, increase mileage and save the cost of replacement filters by installing a Cold Air Intake System from Green Filter. The Cold Air Intake routes...
      Revised air box for improved flow, colder intake chargeWoven cotton, not cotton gauze for superior flow
      $175.99 - $285.99
    • RBP® Air Intake
      (0 reviews)
      # 41956037
      GMC Sierra 2004, Air Intake with Donaldson's® PowerCore™ Filtration Technology by RBP®. Driving in dusty offroad conditions requires the best air intake technology that can be found. And here it is: The RBP Cool Air Intake with...
      Protective and Insulating AirboxQuicker Throttle Response
      $410.53 - $473.68
    • Spectre Performance® Air Intake Kit
      (0 reviews)
      # 81445838
      GMC Sierra 2004, Air Intake Kit with HPR™ 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
      $152.99
    • Spectre Performance® Air Intake Kit
      (1 reviews)
      # 12038783
      GMC Sierra 2004, Air Intake 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 racetrack! All products...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $149.99 - $152.99
    • Volant® Cold Air Intake System with Donaldson PowerCore® Filter
      (0 reviews)
      # 102496918
      GMC Sierra 2004, Cold Air Intake System Donaldson PowerCore® Filter by Volant®. Cooler air is denser and packs in more oxygen for better combustion and more horsepower. This air intake system features an airbox that completely...
      Protective and insulating AirboxQuicker throttle response
      $251.91 - $328.31
    • Volant® Cold Air Intake System with Primo Filter
      (0 reviews)
      # 102496929
      GMC Sierra 2500 HD 6.6L 2004, Cold Air Intake System Primo Filter by Volant®. Cooler air is denser and packs in more oxygen for better combustion and more horsepower. This air intake system features an airbox that completely...
      Protective and insulating AirboxQuicker throttle response
      $238.78 - $276.03
    • Volant® Cold Air Intake System with Pro 5 Filter
      (0 reviews)
      # 102496934
      GMC Sierra 2004, Cold Air Intake System Pro 5 Filter by Volant®. Cooler air is denser and packs in more oxygen for better combustion and more horsepower. This air intake system features an airbox that completely insulates the air...
      Protective and insulating AirboxQuicker throttle response
      $213.79 - $296.63
    • S&B® Black Turbo Inlet Manifold
      (0 reviews)
      # 83229359
      GMC Sierra LLY Engine 2004, Black Turbo Inlet Manifold by S&B®. This intake elbow comes ready-to-install with pre-drilled and tapped NPT ports, along with 8 other locations to drill and tap your own ports along the backside of the...
      $195.00
    • S&B® Cold Air Intake Kit
      (0 reviews)
      # 83230571
      GMC Sierra 2004, Cold Air Intake Kit by S&B®. All intakes S&B produces is manufactured to the highest standards and submitted for CARB approval.
      $232.05 - $269.00
    • S&B® Filters Airflow Value Package
      (0 reviews)
      # 83229355
      GMC Sierra Duramax Engine 2004, Filters Airflow Value Package by S&B®. Includes: Turbo Inlet Manifold Black P/N 76-1006, Cold Air Intake Kit P/N 75-5038.
      $464.00
    • K&N® 33 Series Panel Air Filter
      (5 reviews)
      # 34628393
      GMC Sierra 2004, 33 Series Panel Air Filter by K&N®. A K&N 33 series OE replacement air filter is designed to increase horsepower and acceleration. These washable and reusable panel air filters are easy to install because they fit...
      Improves engine airflowIncreases horsepower and acceleration
      $48.99 - $60.99
    • K&N® Intake Replacement Air Filter
      (1 reviews)
      # 87560079
      GMC Sierra 2004, Intake Replacement Air Filter by K&N®. K&N's Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and...
      Designed to increase horsepower and accelerationHundreds of sizes and shapes for most applications
      $52.99 - $74.99
    • AIRAID® Air Filter
      (1 reviews)
      # 436268
      GMC Sierra 4.3L / 4.8L / 5.3L / 6.0L / 8.1L 2004, Red 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...
      Improves airflow and engine performanceProvides superior air filtration and engine protection
      $59.06 - $67.22
    • aFe® Pro 5R Air Filter
      (0 reviews)
      # 919105
      GMC Sierra 2004, Pro 5R Air Filter by aFe®. The Pro 5R air filter provides increased airflow to your engine without sacrificing filtration ability. The increased airflow allows your engine to make more power, and have better...
      Improves airflow and engine performanceProvides superior air filtration and engine protection
      $62.95 - $73.95
    • aFe® Pro DRY S Air Filter
      (0 reviews)
      # 921962
      GMC Sierra 2004, Pro DRY S Air Filter by aFe®. The Pro DRY S is the perfect combination of performance, protection and convenience. When you want increased airflow with superior filtration, but ease of maintenance is a high...
      Improves airflow and engine performanceProvides superior air filtration and engine protection
      $62.95 - $73.95
    • aFe® Pro GUARD 7 Air Filter
      (0 reviews)
      # 927386
      GMC Sierra New Body 6.6L Turbocharged 2004, Pro GUARD 7 Air Filter by aFe®. When protecting your valuable engine is your primary concern, you need the Pro GUARD 7 air filter. It has the highest level of filtration efficiency of any...
      Highest level of filtration efficiency of any air filterIncreases airflow over stock paper air filter
      $83.95
    • aFe® Super Stock IRF Air Filter
      (0 reviews)
      # 923102
      GMC Sierra 2500 HD / 3500 6.6L Turbocharged 2004, Super Stock IRF Air Filter by aFe®. The Super Stock IRF Air Filter can increase airflow to your engine by 90%, with up to 65% greater dust holding capacity…without changing...
      Directly replaces factory air filterUp to 76% more filter surface area
      $85.95 - $92.95
    • GREEN FILTER® Factory Replacement Air Filter
      (0 reviews)
      # 56294490
      GMC Sierra 2004, 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
      $43.68
    • Spectre Performance® Panel HPR™ OE Replacement Air Filter
      (0 reviews)
      # 49225845
      GMC Sierra For severe dust or heavy duty applications 2004, Panel 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...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $22.03
    • S&B® AFE Intake Replacement Air Filter
      (0 reviews)
      # 83230562
      GMC Sierra Diesel 2004, AFE Intake Replacement Air Filter by S&B®. All filters S&B produces is manufactured to the highest standards and submitted for CARB approval.
      $55.00
    • S&B® Cleanable Air Filter
      (0 reviews)
      # 85546741
      GMC Sierra 2004, Cleanable Air Filter by S&B®. All filters S&B produces is manufactured to the highest standards and submitted for CARB approval.
      $42.22
    • S&B® Cotton Air Filter
      (0 reviews)
      # 85546738
      GMC Sierra 2004, Cotton Air Filter by S&B®. All filters S&B produces is manufactured to the highest standards and submitted for CARB approval.
      $55.00
    • S&B® Cotton K&N Intake Replacement Air Filter
      (0 reviews)
      # 83229354
      GMC Sierra 6.6L 2004, Cotton K&N Intake Replacement Air Filter by S&B®.
      $41.37
    • S&B® Dry Disposable Intake Replacement Air Filter
      (0 reviews)
      # 85546743
      GMC Sierra 2004, Dry Disposable Intake Replacement Air Filter by S&B®. All filters S&B produces is manufactured to the highest standards and submitted for CARB approval.
      $45.00
    • JET® Power-Flo™ Mass Air Flow Sensor
      (1 reviews)
      # 13555055
      GMC Sierra 2004, Power-Flo™ Mass Air Flow Sensor by JET®. JET Powr-Flo Mass Airflow Sensors will increase your engine's horsepower, low-end torque, and mileage by replacing the restrictive stock MAF sensor which limits your...
      Increase Horsepower And Low End TorqueImproved Mileage
      $302.21
    • aFe® BladeRunner Turbo Inlet Manifold
      (0 reviews)
      # 1066620
      GMC Sierra 6.6L 2004, BladeRunner Turbo Inlet Manifold by aFe®. Increase airflow to your engine by up to 32% and gain up to 17 horsepower and 50 pound feet of torque just by changing your intake manifold. The aFe BladeRunner intake...
      $295.00
    • BBK® Power-Plus Series™ Twin Throttle Body
      (0 reviews)
      # 55186875
      GMC Sierra 2004, Power-Plus Series™ Twin Throttle Body by BBK®. 80mm Diameter. Increase airflow and add 15-20 horsepower at the rear wheels by bolting on this high-flow throttle body. It’s a direct replacement for your factory...
      Designed to increase airflow and improve horsepower15-20 dyno proven horsepower increase at the rear wheels depending on vehicle and application
      $369.99
    • JET® Power-Flo™ Throttle Body
      (1 reviews)
      # 41033837
      GMC Sierra 4.8L / 5.3L / 6.0L 2004, Power-Flo™ Throttle Body by JET®. JET Performance has created the new Powr-Flo throttle bodies for the most popular late model GM vehicles. The Powr-Flo increases air flow and improves throttle...
      Increased Air Flow And Improved Throttle ResponseMore Horsepower
      $359.96
    • Professional Products® Power™ Throttle Body Assembly
      (0 reviews)
      # 97278343
      GMC Sierra 4.8L / 6.0L 2004, Power™ Throttle Body Assembly by Professional Products®.
      $189.16 - $212.17
    • AIRAID® Modular Intake Tube
      (0 reviews)
      # 66701429
      GMC Sierra 2004, Modular Intake Tube by AIRAID®. More airflow to your engine will result in better throttle response and more horsepower and torque. This air intake tube can increase airflow to your engine by as much as 400 CFM! It...
      Increases airflow to the engineIncreases horsepower and torque, improves performance
      $142.70
    • Fleece Performance® High Flow Intake Horn
      (0 reviews)
      # 66278227
      GMC Sierra LB7 Engine 2004, High Flow Intake Horn by Fleece Performance®. Increase your vehicle potential with this simple, but effective upgrade. Back-to-back dyno pulls showed an increase of 15hp with this Fleece Performance...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $99.75
    • Volant® Cold Air Scoop
      (0 reviews)
      # 102504214
      GMC Sierra 2004, Cold Air Scoop by Volant®. The Ram Air Scoop will improve the effectiveness of your Volant Cool Air Intake. One end connects to the Cool Airbox and the other is positioned to draw in cool air from outside the...
      Increases horsepower and torqueImproves fuel mileage
      $96.24 - $100.95
    • JET® Inlet Air Temperature Relocator
      (0 reviews)
      # 13545515
      GMC Sierra Flex / Gas With 5 Wire Mass Air Flow Sensor 2004, Inlet Air Temperature Relocator by JET®. JET Inlet Air Temperature Relocator Kit will relocate your vehicle's inlet air temperature sensor to a cooler location in the air...
      Relocates Inlet Air Temp Sensor To A Cooler Location.Provides A Cooler Air Charge
      $59.96
    • Mr. Gasket® Intake Manifold Gasket
      (0 reviews)
      # 102051695
      GMC Sierra 4.8L / 6.0L 2004, Lifter Valley Intake Manifold Gasket by Mr. Gasket®. Seals Lifter Valley Cover. You won't find a more perfect way to make your vehicle look better and drive faster than with the top-notch Mr. Gasket...
      Returns your vehicle to its pristine stateExceptional quality at a great price
      $10.15
    • Sinister Diesel® Intake Elbow
      (0 reviews)
      # 88242654
      GMC Sierra LLY Engine 2004, Intake Elbow by Sinister Diesel®. This kit is designed and engineered to out perform the competition. Comes with a Mandrel bent aluminum tube and CNC base plate designed to hold even the highest boost...
      Mandrel Bent Tubing1/8" NPT Bung Installed
      $249.00
    • AIRAID® EconoAid™ Throttle Body Spacer
      (1 reviews)
      # 4306009
      GMC Sierra 4.3L 2004, EconoAid™ Throttle Body Spacer by AIRAID®. The blades in the patented EconoAid™ Throttle Body Booster cause a spinning action of the incoming air charge as it passes through the throttle body. This...
      Enhances fuel atomization, which improves combustion and engine efficiencyIncreases low end torque and fuel economy
      $30.59
    • AIRAID® PowerAid™ Throttle Body Spacer
      (0 reviews)
      # 66701431
      GMC Sierra 2004, PowerAid™ Throttle Body Spacer by AIRAID®. The patented Helix Bore in the PowerAid™ Throttle Body Spacer causes a spinning action of the incoming air charge as it passes through the throttle body. This...
      Enhances fuel atomization, which improves combustion and engine efficiencyIncreases low end torque and fuel economy
      $112.10 - $137.60
    • JET® Powr-Flo Throttle Body Spacer
      (0 reviews)
      # 13555070
      GMC Sierra 2004, Powr-Flo Throttle Body Spacer by JET®. JET Performance Power-Flo Throttle Body Spacers were designed using the latest aerospace technology along with JET's 35 plus years of engineering fuel systems for some of the...
      Increased Mid-Range Horsepower And TorqueImproved Throttle Response/Increased Fuel Economy
      $74.99 - $100.49
    • Spectre Performance® Power Plate Throttle Body Spacer
      (0 reviews)
      # 12068506
      GMC Sierra 2004, Power Plate Throttle Body Spacer 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
      $71.99
    • Taylor Cable® Throttle Body Spacer
      (0 reviews)
      # 89565311
      GMC Sierra 2004, 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
      $83.06 - $97.85
    • Trans-Dapt® Throttle Cable Bracket
      (0 reviews)
      # 69678064
      GMC Sierra Standard (Manual) Transmission 2004, Throttle Cable Bracket by Trans-Dapt®. Makes carburetor swaps quick and easy. Trans-Dpat Performance Product Carburetor brackets are precision stamped, and chrome plated for a...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $13.81
    • Volant® Vortice Throttle Body Spacer
      (1 reviews)
      # 82352276
      GMC Sierra 2004, Vortice Throttle Body Spacer by Volant®. Make your intake air charge swirl its way into your cylinders. The cast fins on the Vortice spacer will induce a vortex as the air travels from the throttle body to the...
      Glass-filled nylon constructionO-ring, gasket and hardware included
      $35.76




    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

    2004 GMC Sierra Performance Air Intake Systems Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    AEM Brute Force Air Intake 4.8L
    Great air intake...grabs more air and ups the pony power by enough to tell the difference.
    SPosted by Shaun (Worland, WY) /
    2004 GMC Sierra
    Was this review helpful for you? Yes8  people found this review helpful.
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