1991 Buick Regal Performance Air Intake Systems

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    • Spectre Performance® Panel HPR™ OE Replacement Air Filter
      (0 reviews)
      # 49223744
      Buick Regal 3.1L 1991, 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 best performance in the market proven on...
      High-tech engine parts for the most power and best performanceThe finest exterior and interior parts for superior appearance and functionality
      $16.70
    • Spectre Performance® Round OE Replacement Air Filter
      (0 reviews)
      # 49223743
      Buick Regal 3.8L 1991, 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...
      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® 33 Series Air Filter
      (0 reviews)
      # 44369844
      Buick Regal 3.1L 1991, 33 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...
      Improves engine airflowIncreases horsepower and acceleration
      $57.99
    • K&N® E Series Air Filter
      (0 reviews)
      # 44371321
      Buick Regal 3.8L 1991, 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...
      Improves engine airflowIncreases horsepower and acceleration
      $41.99
    • aFe® Pro 5R Air Filter
      (0 reviews)
      # 917708
      Buick Regal 3.8L 1991, 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
      $49.95
    • aFe® Pro DRY S Air Filter
      (0 reviews)
      # 920559
      Buick Regal 3.8L 1991, 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
      $49.95
    • Spectra Premium® Mass Air Flow Sensor
      (0 reviews)
      # 57160555
      Buick Regal 3.8L 1991, 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
      $82.85
    • Delphi® Mass Air Flow Sensor
      (0 reviews)
      # 24551834
      Buick Regal 3.8L 1991, Mass Air Flow Sensor by Delphi®. Probe Only. 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...
      Extensive coverageAvailable in a variety of bore diameters to accommodate a wide range of airflow, resulting in a robust design for electrical overloads
      $101.19
    • FRAM® Extra Guard™ Air Filters
      (0 reviews)
      # 18690033
      Buick Regal FI 1991, 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
      $8.97 - $9.24
    • MANN-Filter® Air Filter
      (0 reviews)
      # 20566580
      Buick Regal 1991, 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 and...
      Optimum protection for the engine, airflow meters and other sensorsPerfectly adapted in form and function to your vehicle
      $7.66 - $9.38
    • Hastings® Air Filter
      (0 reviews)
      # 21467838
      Buick Regal 1991, 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
      $9.69 - $11.06
    • Motorcraft® Air Filter
      (0 reviews)
      # 48679462
      Buick Regal 3.1L 1991, 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...
      Direct OEM replacement for proper fitRecommended by Ford Motor Company
      $2.36
    • Full® Air Filter
      (0 reviews)
      # 8013006
      Buick Regal 3.1L 1991, 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
      $9.32
    • Interfil® Air Filter
      (0 reviews)
      # 7840252
      Buick Regal 3.8L 1991, Air Filter by Interfil®. 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
      $14.29
    • Dorman® Mass Air Flow Sensor
      (0 reviews)
      # 25577159
      Buick Regal 1991, Mass Air Flow Sensor by Dorman®. Without Housing, Mounting Bracket. Standard Replacement. Product Condition: New. This is an aftermarket part that replaces factory OE # 19112534. Save time, money, and labor by...
      Constructed from high-quality materials to successfully resist damage from extreme underhood temperatures and environmental factors, such as humidityDirect fit for a trouble-free replacement
      $83.31
    • Dorman® Mass Air Flow Sensor Connector
      (0 reviews)
      # 55661118
      Buick Regal 1991, Mass Air Flow Sensor Connector by Dorman®, 1 Piece. No Water Resistant. With 1 Pigtail and 3 Butt Connectors. Packaging Type: Box. Plastic/Tin Plate (Tin Brass). Socket: 3 Bullet Terminal, Female Blade. 4 Wire....
      Appropriate for 3-wire configurationsDirect replacement Mass Air Flow Sensor Connectors available (where applicable) to ensure a proper fit
      $24.75
    • Standard® Mass Air Flow Sensor
      (0 reviews)
      # 44891040
      Buick Regal 3.8L 1991, 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 prices and the highest reputation...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $98.98 - $173.86
    • Standard® Handypack™ Air Charge Temperature Sensor Connector
      (0 reviews)
      # 43982206
      Buick Regal 1991, Handypack™ Air Charge Temperature Sensor Connector by Standard®. Gray. 2 Terminal Female. 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
      $9.34
    • Standard® Handypack™ Manifold Absolute Pressure Sensor Connector
      (0 reviews)
      # 43982221
      Buick Regal 1991, Handypack™ Manifold Absolute Pressure Sensor Connector by Standard®. Green. 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
      $10.72
    • Standard® Handypack™ Mass Air Flow Sensor Connector
      (0 reviews)
      # 43982239
      Buick Regal 1991, Handypack™ Mass Air Flow Sensor Connector by Standard®. Black and Purple. Round. 3 Terminal Female. 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
      $12.44
    • Standard® Manifold Absolute Pressure Sensor
      (0 reviews)
      # 44831601
      Buick Regal 3.1L 1991, Manifold Absolute Pressure Sensor by Standard®. 3 Pin Terminals Connector. 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...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $57.40
    • Standard® Tru-Tech™ Manifold Absolute Pressure Sensor
      (0 reviews)
      # 23797041
      Buick Regal 3.1L 1991, Tru-Tech™ Manifold Absolute Pressure Sensor by Standard®. 3 Pin Terminals Connector. Do you hear nothing but “click, click” when you turn the key? Is the BATTERY dash light on? Your vehicle is in need...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $34.32
    • Standard® Air Charge Temperature Sensor Connector
      (0 reviews)
      # 63754943
      Buick Regal 1991, Air Charge Temperature Sensor Connector by Standard®. 2 Terminals Female Connector. Finish: Gray. 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
      $20.94
    • Standard® Mass Air Flow Sensor Connector
      (0 reviews)
      # 44831625
      Buick Regal 1991, Mass Air Flow Sensor Connector by Standard®. 3 Terminals Female Connector. Finish: Black/Purple. 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
      $25.40
    • Standard® Manifold Absolute Pressure Sensor Connector
      (0 reviews)
      # 44831554
      Buick Regal 1991, Manifold Absolute Pressure Sensor Connector by Standard®. 3 Pin Terminals Male Connector. Finish: Green. SMP’s vision is to be the leading independent supplier to the automotive aftermarket, providing the...
      OE quality parts from top original equipment and aftermarket manufacturersFast shipping; 1-2 day delivery time regardless of where you’re located
      $18.80
    • Victor Reinz® Intake Manifold Gasket
      (0 reviews)
      # 24063635
      Buick Regal 1991, 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...
      $24.96 - $25.37
    • Standard® Air Control Valve Relay
      (0 reviews)
      # 44831616
      Buick Regal 1991, Air Control Valve Relay by Standard®. 5 Blade Terminals Male Connector. 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
      $16.37
    • Standard® Air Cleaner Temperature Sensor
      (0 reviews)
      # 44831565
      Buick Regal 1991, 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
      $28.12
    • WIX® Air Filter
      (0 reviews)
      # 64340925
      Buick Regal 3.8L 1991, 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...
      Prevents foreign particles like carbon, soot and abrasives from entering the fuel mixEnsures superior engine protection
      $9.88
    • WIX® Air Filter Panel
      (0 reviews)
      # 64340924
      Buick Regal 3.1L 1991, Air Filter Panel 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...
      Prevents foreign particles like carbon, soot and abrasives from entering the fuel mixEnsures superior engine protection
      $15.56
    • Cardone® Mass Air Flow Sensor
      (0 reviews)
      # 35545814
      Buick Regal 3.8L 1991, Mass Air Flow Sensor by Cardone®. With 3 Screw Attachment. Mounting Hole Count: 3. Configuration Type: Bolt-On. MAF Sensors precisely track O.E. output curves and maintain spec tolerances to ensure accurate...
      50-state emissions street legalThe finest quality at a great price
      $77.29 - $124.44
    • 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
    • Injen® EA Nanofiber Dry Air Filter
      (28 reviews)
      # 375948
      Universal EA Nanofiber Dry Air Filter by Injen®. This air filter is a major breakthrough in air filtration technology. It features a revolutionary synthetic nanofiber filter media that increases airflow, while capturing and holding...
      Revolutionary Nanofiber filter mediaIncreases airflow
      $53.26 - $68.80
    • Injen® High Performance Air Filter
      (17 reviews)
      # 375936
      Universal High Performance Air Filter by Injen®. Replace your worn out air filter with this high flow High Performance filter. It features a built-in velocity stack for added performance, urethane top and base to resist heat...
      Improves engine airflowIncreases horsepower and acceleration
      $49.32 - $57.54
    • K&N® Dual Flange Oval Straight Air Filter
      (0 reviews)
      # 25513976
      Universal Dual Flange Oval Straight Air Filter by K&N®. Get better performance, superior engine protection and more economical operation with a K&N Air Filter. K&N Universal Air Filters are available for just about any application.
      Improves engine airflowIncreases horsepower and acceleration
      $37.99 - $213.99
    • K&N® Oval Tapered Air Filter
      (0 reviews)
      # 25636561
      Universal Oval Tapered Air Filter by K&N®. Get better performance, superior engine protection and more economical operation with a K&N Air Filter. K&N Universal Air Filters are available for just about any application.
      Improves engine airflowIncreases horsepower and acceleration
      $32.99 - $192.99
    • K&N® Round Tapered Air Filter
      (6 reviews)
      # 25611518
      Universal Round Tapered Air Filter by K&N®. Get better performance, superior engine protection and more economical operation with a K&N Air Filter. K&N Universal Air Filters are available for just about any application.
      Improves engine airflowIncreases horsepower and acceleration
      $21.70 - $120.99
    • AEM® Clamp-On Round DryFlow Racing Air Filter
      (0 reviews)
      # 328142
      Universal Clamp-On Round DryFlow Racing Air Filter by AEM®. Let your engine breathe with an AEM DryFlow Racing 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
      $66.99
    • AEM® Oval DryFlow Air Filter
      (0 reviews)
      # 313145
      Universal Oval DryFlow 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 DryFlow technology, cleaning...
      Exceeds the engine’s normal airflow capacityEasy to clean – no oiling required
      $38.99 - $95.99
    • AEM® Oval DryFlow Brute Force Air Filter
      (0 reviews)
      # 313143
      Universal Oval DryFlow Brute Force Air Filter by AEM®. These filters are much larger than standard DryFlow filters and engineered to exceed the airflow requirements of large displacement engines. They are designed to be durable and...
      Exceeds the normal airflow capacity of large displacement enginesEasy to clean – no oiling required
      $70.99 - $74.99
    • AEM® Round DryFlow Air Filter
      (2 reviews)
      # 322114
      Universal Round DryFlow 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 DryFlow technology, cleaning...
      Exceeds the engine’s normal airflow capacityEasy to clean – no oiling required
      $24.05 - $62.99
    • AEM® Round DryFlow Brute Force Air Filter
      (1 reviews)
      # 313144
      Universal Round DryFlow Brute Force Air Filter by AEM®. These filters are much larger than standard DryFlow filters and engineered to exceed the airflow requirements of large displacement engines. They are designed to be durable...
      Exceeds the normal airflow capacity of large displacement enginesEasy to clean – no oiling required
      $46.99 - $54.99
    • AIRAID® Track Day Round Air Filter
      (0 reviews)
      # 65486457
      Universal Track Day Round Air Filter by AIRAID®. Track Day Filters are designed strictly to keep large debris out of the engine. Constructed with sturdy polyurethane casings and a durable wire mesh screen, they are built without...
      90-day warrantyMade in USA
      $47.90 - $52.90
    • Airaid® Round Air Filter
      (0 reviews)
      # 440764
      Universal Round 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
      $48.90 - $81.90
    • Airaid® Sweet 16" Round Air Filter
      (0 reviews)
      # 13606468
      Universal Sweet 16" Round Air Filter by Airaid®, 16" OD x 14" ID. 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...
      Improves airflow and engine performanceProvides superior air filtration and engine protection
      $45.90 - $104.90
    • AIRAID® Breather Filter
      (5 reviews)
      # 440783
      Universal Breather Filter by AIRAID®. Keep your engine breathing properly and looking good with these crankcase vent filters.
      Washable and reusableAvailable in several diameters
      $16.90 - $26.90
    • Weapon-R® Secret Weapon Air Filter
      (10 reviews)
      # 282485
      Universal Secret Weapon Air Filter by Weapon-R®. The Secret Weapon air filter performs better than any other air filter available in the market today. It provides maximum airflow with the protection of Polyurethane foam.
      Integral velocity stack increases engine airflowPolyurethane foam flows more air and traps more dirt than conventional filters
      $65.00 - $75.00
    • Weapon-R® V2 Hyper Air Filter
      (2 reviews)
      # 290322
      Universal V2 Hyper Air Filter by Weapon-R®. The Polyurethane foam in the V2 Hyper air filter flows more air and traps more dirt than comparable paper and cotton filters.
      Polyurethane foam flows more air and traps more dirt than conventional filtersNo oiling required
      $50.00 - $55.00
    • Weapon-R® Dragon Air Filter
      (15 reviews)
      # 282419
      Universal Dragon Air Filter by Weapon-R®. The Polyurethane foam in the Dragon air filter flows more air and traps more dirt than comparable paper and cotton filters. The Dragon air filter is one of the highest rated air filters in...
      Polyurethane foam flows more air and traps more dirt than conventional filtersDisassembles easily for cleaning
      $55.00 - $65.00
    • Weapon-R® Dragon Breather Filter
      (6 reviews)
      # 284597
      Universal Dragon Breather Filter by Weapon-R®. Keep your throttle responsive with the installation of this breather filter.
      Prevents throttle body carbon buildupCan be cleaned and reused
      $10.00



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    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...
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    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...
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    1991 Buick Regal Models
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    • 1991 Buick Regal Limited Performance Air Intake Systems