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K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more

K&N Engineering is a globally recognized leader in automotive performance filtration products, specializing in high-flow air filters, cold air intake systems, and oil filters. Designed to improve airflow, K&N products enhance engine efficiency, horsepower, and acceleration while providing superior filtration to protect engines from harmful contaminants. K&N’s air filters are washable, reusable, and built to last, offering a cost-effective alternative to disposable filters. With over 50 years of innovation and a reputation for quality, K&N is trusted by car enthusiasts, racers, and everyday drivers for both street and off-road applications.

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-49%
MBRP Universal 3.5 ID to 5 OD Adapter Aluminized - eliteracefab.com
MBRP

MBRP Universal 3.5 ID to 5 OD Adapter Aluminized - UA2003

$83.32 $42.49
-49%
MBRP Universal 4 ID. to 5 ID. Adapter Aluminized - eliteracefab.com
MBRP

MBRP Universal 4 ID. to 5 ID. Adapter Aluminized - UA2004

$66.65 $33.99
-17%
JBA 1650ST | 2.5IN STAINLESS STEEL 1650 STARTER TUBES - eliteracefab.com
JBA

JBA 1650ST

$68.70 $56.52
-49%
MBRP Universal 4 ID. to 5OD. Adapter Aluminized - eliteracefab.com
MBRP

MBRP Universal 4 ID. to 5OD. Adapter Aluminized - UA2001

$66.65 $33.99
-49%
MBRP Universal 3.5 OD. to 5ID. Adapter Aluminized - eliteracefab.com
MBRP

MBRP UA2005 Exhaust Pipe Adapter 3.5" OD To 5" ID Adapter Aluminized Steel

$83.32 $42.49
-32%
Stainless Bros 3.5in x 6in OAL 304SS Flex Joint w/ Interlock Liner - eliteracefab.com
Stainless Bros

Stainless Bros 3.5in x 6in OAL 304SS Flex Joint w/ Interlock Liner

$65.95 $44.19
-9%
Granatelli 2.5in 304SS Turn Down w/3-Bolt Flange & Gaskets (Pair)
Granatelli Motor Sports

Granatelli 2.5in 304SS Turn Down w/3-Bolt Flange & Gaskets (Pair)

$51.45 $46.55
-34%
T304 3
BLOX Racing

T304 3" REDUCER - 02+ SUBARU WRX / STI

$55.00 $36.03
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K&N Engineering

K&N Edge Wiper Blades 16in/16in

$52.99
KNN92-1616
Black Friday 2024 Decals, Molding & Trim Exterior Styling Exterior Trim K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat Trim
K&N Edge Wiper Blades 16in/16in
Quick View
K&N Engineering

K&N Edge Wiper Blades 15in/15in

$52.99
KNN92-1515
Black Friday 2024 Decals, Molding & Trim Exterior Styling Exterior Trim K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat Trim
K&N Edge Wiper Blades 15in/15in
Quick View
K&N Engineering

K&N Promotional Decal/Sticker Pack

$8.99
KNN89-0200
Bags & Packs Bags - Backpacks Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Promotional Decal/Sticker Pack
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K&N Engineering

K&N Dual Layer Cotton/Spandex Face Cover 2 Pack - Camouflage

$19.99
KNN88-0520C
Bags & Packs Bags - Backpacks Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Dual Layer Cotton/Spandex Face Cover 2 Pack - Camouflage
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K&N Engineering

K&N Dual Layer Cotton/Spandex Face Cover 2 Pack - Black

$19.99
KNN88-0520BK
Bags & Packs Bags - Backpacks Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Dual Layer Cotton/Spandex Face Cover 2 Pack - Black
K&N Universal Plenum 6.875in L x 5.75in Outer Dia - Black - Weber DGV Carburetor Quick View
K&N Engineering

K&N Universal Plenum 6.875in L x 5.75in Outer Dia - Black - Weber DGV Carburetor

$249.99
KNN85-8927
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Plenums and adapters for the Weber DGV carburetor allow for smooth airflow into your engine.
K&N Spring Clip (6 Pack) Quick View
K&N Engineering

K&N Spring Clip (6 Pack)

$47.99
KNN85-83897
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
Spring clip clamps for K&N universal air box assemblies - K&N spring clips create a positive seal between the filter, base and top. This...
K&N Spring Clip (4 Pack) Quick View
K&N Engineering

K&N Spring Clip (4 Pack)

$52.99
KNN85-83895
Air Intake Components Air Intake System All Air Intake Systems K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
Spring clip clamps for K&N universal air box assemblies - K&N spring clips create a positive seal between the filter, base and top. This...
K&N Spring Clip (6 Pack) Quick View
K&N Engineering

K&N Spring Clip (6 Pack)

$52.99
KNN85-83893
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
Spring clip clamps for K&N universal air box assemblies - K&N spring clips create a positive seal between the filter, base and top. This...
K&N Spring Clip (4 Pack) Quick View
K&N Engineering

K&N Spring Clip (4 Pack)

$34.99
KNN85-83891
Air Intake Components Air Intake System All Air Intake Systems K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
Spring clip clamps for K&N universal air box assemblies - K&N spring clips create a positive seal between the filter, base and top. This...
K&N Top Plate 14in OD w/K&N Logo
K&N Engineering

K&N Top Plate 14in OD w/K&N Logo

$52.99
KNN85-6842
Bags & Packs Bags - Backpacks Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N 14 inch diameter air filter top plate for replacement or special application needs.
K&N Universal Apollo Mounting Bracket Quick View
K&N Engineering

K&N Universal Apollo Mounting Bracket

$34.99
KNN85-6004
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
Mounting bracket assembly to securely support K&N Universal Air Filters to your vehicle.
K&N Metal Base Plate 14in OD 5-1/8in Flange Chrome Finish Quick View
K&N Engineering

K&N Metal Base Plate 14in OD 5-1/8in Flange Chrome Finish

$43.99
KNN85-3549
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N 14 inch air filter drop base plates for replacement or special application needs.
K&N Metal Base Plate 14in OD 5-1/8in Flange Chrome Finish Quick View
K&N Engineering

K&N Metal Base Plate 14in OD 5-1/8in Flange Chrome Finish

$34.99
KNN85-3540
Air Intake Components Air Intake System All Air Intake Systems K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
This K&N 14 inch air filter base plate is used for replacement or special application needs.
K&N Filter Minder - Screw In Quick View
K&N Engineering

K&N Filter Minder - Screw In

$43.99
KNN85-2444
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
A Filter Minder works as air filter service indicator that monitor air filter restriction and indicates when the air filter should be serviced. As...
K&N Oxygen Sensor Bushing 18mm Quick View
K&N Engineering

K&N Oxygen Sensor Bushing 18mm

$24.99
KNN85-21688
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Engineering has been engineering and manufacturing premium, high-performance automotive and powersports products for over 40 years. K&N is the inventor and leading innovator...
K&N Air Filter Foam Insert Block DSL Only (E-0644) Quick View
K&N Engineering

K&N Air Filter Foam Insert Block DSL Only (E-0644)

$29.99
KNN85-2003
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
This is an optional foam piece which replaces the OEM foam block. For DSL model onlyInstallation InstructionsThis Part Fits: Year Make Model Submodel 2017-2019...
K&N Marine Air Filter Vent Kit 5/8in Flange 6in Height Quick View
K&N Engineering

K&N Marine Air Filter Vent Kit 5/8in Flange 6in Height

$52.99
KNN85-1662
Air Filters Air Filters - Universal Fit Air Intake System All All Air Filters Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Marine Style Vent Hose Adapters mount between the top and bottom plates of a custom chrome air filter assembly. Vent adapters accommodate breather...
K&N Metal Base Plate - 14in OD / 5 1/8in Flange / 9/16in Rise Quick View
K&N Engineering

K&N Metal Base Plate - 14in OD / 5 1/8in Flange / 9/16in Rise

$43.99
KNN85-1541
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N 14 inch air filter base plates for replacement or special application needs.
K&N Plastic Vent Kit 5/8in & 3/4in Flange Quick View
K&N Engineering

K&N Plastic Vent Kit 5/8in & 3/4in Flange

$34.99
KNN85-1130
Air Intake Components Air Intake System All Air Intake Systems K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
Universal adapters for smog tubes, crankcase and valve cover vents. Requires drilling hole in air filter base or valve cover. All come with mounting...
K&N Universal Plenum 11.89in L x 9in Dia x 4.75in H - Black Quick View
K&N Engineering

K&N Universal Plenum 11.89in L x 9in Dia x 4.75in H - Black

$329.99
KNN85-1060
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Plenums and adapters for the Weber DGV carburetor allow for smooth airflow into your engine.
K&N Stubstack Air Horn 6.77in L x 6.77in W x 1.5in H Quick View
K&N Engineering

K&N Stubstack Air Horn 6.77in L x 6.77in W x 1.5in H

$74.99
KNN85-0700
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Stubstack for EDELBROCK Square-Bore Carburetors fits the majority of Edelbrock Square-Bore carburetors. This Stubstack is designed to fit most models within this series....
K&N Stubstack Air Horn 5.13in L x 5.13in W x 1.68in H Quick View
K&N Engineering

K&N Stubstack Air Horn 5.13in L x 5.13in W x 1.68in H

$34.99
KNN85-0400
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
This K&N Stubstack is designed to be used with Holley 390-850 cfm square bore carbs (4150/4160), that have had the choke horn milled off...
K&N Polyurethane Accessories Stubstack Air Horn - 6.96in Length x 6.96in Width x 1.69in Height Quick View
K&N Engineering

K&N Polyurethane Accessories Stubstack Air Horn - 6.96in Length x 6.96in Width x 1.69in Height

$74.99
KNN85-0200
Air Intake Components Air Intake System All Air Intake Systems Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Stubstack for Holley 4150/4160 Series Carburetors. Fits most Holley 4150 and some 4160 Series carburetors with high and low choke horns. The 85-0200...
K&N 2in OD x 9in L 16AN 74 Micron In-Line Fuel/Oil FIlter Quick View
K&N Engineering

K&N 2in OD x 9in L 16AN 74 Micron In-Line Fuel/Oil FIlter

$199.99
KNN81-1012
Black Friday 2024 Fuel Delivery Fuel Filters Fuel Lines & Filters Fueling K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N inline fuel/oil filters are ideal for racing applications. The filter housing is made from highly-durable anodized aluminum and the filter media can be...
K&N 1.688in OD x 5.625in L 100 Micron In-Line Fuel/Oil FIlter Quick View
K&N Engineering

K&N 1.688in OD x 5.625in L 100 Micron In-Line Fuel/Oil FIlter

$119.99
KNN81-1011
Black Friday 2024 Fuel Delivery Fuel Filters Fuel Lines & Filters Fueling K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
This stainless steel filter element replaces the filter inside a K&N inline fuel/oil filter. Perfect for racing applications, these filters can be used with...
K&N Inline Fuel Filter Replacement Filter ONLY - 40 Micron Quick View
K&N Engineering

K&N Inline Fuel Filter Replacement Filter ONLY - 40 Micron

$119.99
KNN81-1009
Black Friday 2024 Fuel Delivery Fuel Filters Fuel Lines & Filters Fueling K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
This stainless steel filter element replaces the filter inside a K&N inline fuel/oil filter. Perfect for racing applications, these filters can be used with...
K&N 2in OD x 9in L 10AN 74 Micron In-Line Fuel/Oil FIlter Quick View
K&N Engineering

K&N 2in OD x 9in L 10AN 74 Micron In-Line Fuel/Oil FIlter

$199.99
KNN81-1003
Black Friday 2024 Fuel Delivery Fuel Filters Fuel Lines & Filters Fueling K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N inline fuel/oil filters are ideal for racing applications. The filter housing is made from highly-durable anodized aluminum and the filter media can be...
K&N 2in OD x 9in L 10AN 25 Micron In-Line Fuel/Oil FIlter Quick View
K&N Engineering

K&N 2in OD x 9in L 10AN 25 Micron In-Line Fuel/Oil FIlter

$199.99
KNN81-1002
Black Friday 2024 Fuel Delivery Fuel Filters Fuel Lines & Filters Fueling K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N inline fuel/oil filters are ideal for racing applications. The filter housing is made from highly-durable anodized aluminum and the filter media can be...
K&N 2in OD x 6in L 6AN 25 Micron In-Line Fuel/Oil FIlter Quick View
K&N Engineering

K&N 2in OD x 6in L 6AN 25 Micron In-Line Fuel/Oil FIlter

$199.99
KNN81-1000
Black Friday 2024 Fuel Delivery Fuel Filters Fuel Lines & Filters Fueling K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N inline fuel/oil filters are ideal for racing applications. The filter housing is made from highly-durable anodized aluminum and the filter media can be...
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Quick View
K&N Engineering

K&N Embossed Metal Sign 9in H x 20in W

$13.99
KNN89-11837-2
Bags & Packs Bags - Backpacks K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N Embossed Metal Sign 9in H x 20in W
Sold out
K&N Flexi Air Hose Kit 70mm x 750mm L Quick View
K&N Engineering

K&N Flexi Air Hose Kit 70mm x 750mm L

$52.99
KNN85-7000
Air Intake Components Air Intake System All Air Intake Systems K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N's flexible hose kit is used with the 54 Series Universal Air Intake System. It connects directly to the 54 Series intake housing using...
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K&N 16in Spun Aluminum Top & Bottom Plate Quick View
K&N Engineering

K&N 16in Spun Aluminum Top & Bottom Plate

$199.99
KNN85-6852
Air Intake Components Air Intake System All Air Intake Systems K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
The oversized K&N 16 inch air filter top and base plates can be paired with a variety of 16 inch K&N air filters for...
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K&N Air Filter Pillar Kit Quick View
K&N Engineering

K&N Air Filter Pillar Kit

$44.99
KNN85-5011
Bags & Packs Bags - Backpacks K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
Air filter hardware kits: Bolts, washers or o-rings needed for specific installations packaged on attractive display cards.
Sold out
K&N Filter Minder - Push In Quick View
K&N Engineering

K&N Filter Minder - Push In

$43.99
KNN85-2445
Air Intake Components Air Intake System All Air Intake Systems K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
A Filter Minder works as air filter service indicator that monitor air filter restriction and indicates when the air filter should be serviced. As...
Sold out
K&N 2in OD x 9in L 12AN 25 Micron In-Line Fuel/Oil FIlter Quick View
K&N Engineering

K&N 2in OD x 9in L 12AN 25 Micron In-Line Fuel/Oil FIlter

$249.99
KNN81-1005
Air Intake Components Air Intake System All Air Intake Systems K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N inline fuel/oil filters are ideal for racing applications. The filter housing is made from highly-durable anodized aluminum and the filter media can be...

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K&N Engineering

K&N Engineering is a premier manufacturer of high-performance automotive filtration products, specializing in air filters, cold air intake systems, and oil filters. With over 50 years of experience, K&N is renowned for its innovative designs that improve airflow and enhance engine performance while providing superior filtration. Their air filters are washable, reusable, and engineered to deliver increased horsepower and torque, making them a popular choice for car enthusiasts and everyday drivers alike. K&N’s commitment to quality and performance is evident in their extensive product lineup, which caters to a wide range of vehicles, including cars, trucks, motorcycles, and more. Trust K&N to help you maximize your engine’s potential while ensuring long-lasting protection against harmful contaminants.

What are K&N air filters?

K&N air filters are high-flow, reusable filters designed to improve airflow to your engine while providing superior filtration. They are washable and made to last, enhancing engine performance and efficiency.

How do K&N cold air intake systems work?

K&N cold air intake systems replace your vehicle's factory air intake, allowing for increased airflow to the engine. This improves combustion efficiency, leading to enhanced horsepower, torque, and acceleration.

Can K&N filters fit any vehicle?

K&N offers a wide range of filters and intake systems that fit various makes and models, including cars, trucks, and motorcycles. Check K&N's website or consult the product catalog for specific fitment information.

Are K&N products environmentally friendly?

Yes, K&N filters are designed to be reused and cleaned, reducing waste compared to disposable filters. Additionally, their efficient filtration can help improve fuel economy, which can reduce emissions.

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