2011 audi s5 4.2 cold air intake

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  Injen®SP Series Cold Air Intake System with Blue Filter

  Audi S5 3.0L 2011, SP Series Cold Air Intake System by Injen®. The SP Series Cold Air Intake System is made for the enthusiast who wants maximum horsepower from a tuned cold air intake system. This cold air system positions a high-flow...

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  K&N®33 Series Panel Red Air Filter

  Audi RS5 2011, 33 Series Panel Red Air Filter by K&N®. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,200 different replacement air filters for...

  Designed to boost horsepower and rate of accelerationCan be cleaned and used again

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  aFe®Magnum Flow® Pro 5R Round Tapered Blue Air Filter

  Audi S5 4.2L 2011, Magnum Flow® Pro 5R Round Tapered Blue Air Filter by aFe®. Constructed with 100% polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for improved...

  Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty

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  K&N®E Series Unique Red Air Filter

  Audi S5 2011, E Series Unique Red Air Filter by K&N®. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,200 different replacement air filters for...

  Designed to boost horsepower and rate of accelerationCan be cleaned and used again

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  K&N®Air Filter

  Air Filter by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of...

  Designed to increase horsepower and accelerationHigh air flow with excellent filtration

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  K&N®Round Tapered Air Filter

  Round Tapered Air Filter by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other applications....

  Designed to increase horsepower and accelerationHigh air flow with excellent filtration

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  K&N®Round Tapered Red Air Filter

  Round Tapered Red Air Filter by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...

  Designed to increase horsepower and accelerationHigh air flow with excellent filtration

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  Injen®SuperNano-Web™ Round Tapered Blue Air Filter

  SuperNano-Web™ Round Tapered Blue Air Filter by Injen®. With a rich history in racing and the street performance, Injen Technology has proven itself as a leader in filtration engineering and technology. Lab tested and race proven,...

  Direct Fit for many Injen intakes and/or universal applicationsFully serviceable Injen SuperNano-Web dry air filter

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  aFe®Magnum Flow® Pro 5R Round Tapered Air Filter

  Magnum Flow® Pro 5R Round Tapered Air Filter by aFe®. This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of...

  Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty

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  aFe®Magnum Flow® Pro 5R Air Filter

  Magnum Flow® Pro 5R Air Filter by aFe®. This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of progressively finer cotton...

  Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty

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  aFe®Magnum Flow® Pro Dry S Round Tapered Gray Air Filter

  Magnum Flow® Pro Dry S Round Tapered Gray Air Filter by aFe®. This high flow Pro DRY S air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Layers of...

  Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty

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  aFe®Magnum Flow® Pro Dry S Round Tapered Gray Air Filter

  Magnum Flow® Pro Dry S Round Tapered Gray Air Filter by aFe®. This high flow Pro DRY S air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Layers of...

  Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty

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  Injen®Red Air Filter

  Red 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 more dirt than conventional...

  Revolutionary Nanofiber filter mediaIncreases airflow

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  K&N®33 Series Unique Red Air Filter

  Audi RS5 2011, 33 Series Unique Red Air Filter by K&N®. K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. K&N makes over 1,200 different replacement air filters for...

  Improves engine airflowIncreases horsepower and acceleration

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  Takeda®Pro Dry S Round Tapered Gray Air Filter

  Pro Dry S Round Tapered Gray Air Filter by Takeda®. 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

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  Spectre Performance®HPR® High Efficiency Diesel Round Tapered Blue Air Filter

  HPR® High Efficiency Diesel Round Tapered Blue Air Filter by Spectre Performance®. Engineered for increased flow and greater performance, this performance air filter is factory pre-oiled and ready to use. Manufactured using high...

  Engineered for reduced air flow restriction and improved powerQuality materials used throughout including washable synthetic filter media, urethane, and steel mesh

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  Spectre Performance®HPR® Round Tapered Air Filter

  HPR® Round Tapered Air Filter by Spectre Performance®. Engineered for increased flow and greater performance, this performance air filter is factory pre-oiled and ready to use. Manufactured using high quality materials throughout...

  Engineered for reduced air flow restriction and improved powerQuality materials used throughout including washable synthetic filter media, urethane, and steel mesh

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  aFe®Magnum Flow® Pro Dry S Oval Tapered Gray Air Filter

  Magnum Flow® Pro Dry S Oval Tapered Gray Air Filter by aFe®. These high flow Pro DRY S air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. With three...

  Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty

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  AIRAID®SynthaFlow® Round Tapered Air Filter

  SynthaFlow® Round Tapered 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...

  Improves airflow and engine performanceProvides superior air filtration and engine protection

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  aFe®Magnum Flow® Pro 5R Oval Tapered Blue Air Filter

  Magnum Flow® Pro 5R Oval Tapered Blue Air Filter by aFe®. These high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of...

  Improves airflow for better performance and accelerationPre-oiled, washable/reusable air filter for long service life with life-time warranty

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  K&N®Round Straight Red Air Filter

  Round Straight Red Air Filter by K&N®. K&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio-controlled cars, generators, snowmobiles, tractors, and other...

  Designed to increase horsepower and accelerationHigh air flow with excellent filtration

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  HPS Silicone Hoses®Round Tapered Gray Air Filter

  Round Tapered Gray Air Filter by HPS Silicone Hoses®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals...

  Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions

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  Spectre Performance®Multi-Fit Round Tapered Air Filter

  Multi-Fit Round Tapered Air Filter by Spectre Performance®. This Spectre High Performance Racing (HPR) Air Filter is a white media clamp-on cone filter that can be used for a wide variety of applications. Using the included adapter...

  High flow filter designed to fit 3 inch, 3 1/2 inch and 4 inch tubesQuality materials used throughout including washable, oiled synthetic media, urethane, and steel mesh

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  AIRAID®SynthaMax® Round Tapered Air Filter

  SynthaMax® Round Tapered 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

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  AIRAID®SynthaMax® SynthaMax® Oval Tapered Air Filter

  SynthaMax® SynthaMax® Oval Tapered 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...

  Improves airflow and engine performanceProvides superior air filtration and engine protection

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  Volant®PowerCore® Round Straight Blue Air Filter

  PowerCore® Round Straight Blue 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...

  High-Quality Synthetic MaterialProvides Vastly Improved Filtration up to 99.97%

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  Volant®Pro 5 Round Tapered Blue Air Filter

  Pro 5 Round Tapered Blue Air Filter by Volant®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals who...

  Cleanable and ReusableFive layers of protection

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  aFe®Magnum Flow® Pro Guard 7 Tan Air Filter

  Magnum Flow® Pro Guard 7 Tan Air Filter by aFe®. This Pro Guard 7 performance air filter outflows the factory intake by 44%. The “Inverted” design of this unique OE replacement filter fully utilized the space in the stock air box...

  Engineered to help upgrade your vehicle’s power and overall performanceManufactured from high-grade materials for long-lasting service in various conditions

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  aFe®Magnum Flow® Pro 10R Round Straight Blue Air Filter

  Magnum Flow® Pro 10R Round Straight Blue Air Filter by aFe®. The Momentum HD is designed around a massive 1,000cfm performance 360 degree radial flow air filter with 10-layers of progressive cotton media producing 99.47% cumulative...

  Designed to unlock more performance out of your vehicleDeliver a reasonable balance of strength and durability

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  Takeda®Pro 5R Round Tapered Blue Air Filter

  Pro 5R Round Tapered Blue Air Filter by Takeda®. Fight dirt and dust and give your engine more air to breathe at the same time with this high-performance cotton gauze filter. Don’t simply discard it when it’s dirty: clean it with...

  Cotton gauze mediaCleans in a matter of minutes

Guides & Articles

Useful articles fast to read and guides easy to understand written by mechanics and car enthusiasts to turn your shopping experience with CARiD into a pleasure

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  July 19, 2022

  Ford’s New Bronco: Ripe for Accessorizing!

  In this article, we are going to feature Bronco accessories from four of our more popular categories: Running boards (also known as side steps); accessory soft tops...

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  November 18, 2021

  The New Integra - Did Acura Do This Legend...

  I had the good fortune to drive a new Acura Integra as a company car. “My” Integra had a DOHC engine, 4-wheel discs, and a sunroof, all of which were lacking in...

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  August 12, 2021

  The Real Cost of Your Car’s Cheap Factory Air...

  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...