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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

$118.20 $60.28
-49%
MBRP Universal 4 ID. to 5 ID. Adapter Aluminized - eliteracefab.com
MBRP

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

$94.55 $48.22
-17%
JBA 1650ST | 2.5IN STAINLESS STEEL 1650 STARTER TUBES - eliteracefab.com
JBA

JBA 1650ST

$97.46 $80.18
-49%
MBRP Universal 4 ID. to 5OD. Adapter Aluminized - eliteracefab.com
MBRP

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

$94.55 $48.22
-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

$118.20 $60.28
-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

$93.56 $62.69
-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)

$72.99 $66.04
-34%
T304 3
BLOX Racing

T304 3" REDUCER - 02+ SUBARU WRX / STI

$78.02 $51.11
K&N 06-13 Honda TRX680FA / 06-09 TRX680FGA Replacement Air Filter Quick View
K&N Engineering

K&N 06-13 Honda TRX680FA / 06-09 TRX680FGA Replacement Air Filter

$90.78
KNNHA-6806
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N 93-09 Honda XR650L Air Filter Quick View
K&N Engineering

K&N 93-09 Honda XR650L Air Filter

$90.78
KNNHA-6592
Air Filters Air Filters - Direct 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N Replacement Air FIlter 19-20 Honda CB650R Quick View
K&N Engineering

K&N Replacement Air FIlter 19-20 Honda CB650R

$90.78
KNNHA-6519
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 00-06 Honda XL650V Transalp 650 Replacement Air Filter Quick View
K&N Engineering

K&N 00-06 Honda XL650V Transalp 650 Replacement Air Filter

$73.75
KNNHA-6501
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N Honda VT600C/CD Shadow 99-07 Replacement Drop In Air Filter Quick View
K&N Engineering

K&N Honda VT600C/CD Shadow 99-07 Replacement Drop In Air Filter

$90.78
KNNHA-6414
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 99-07 Honda VT600C/CD Shadow Replacement Air Filter Quick View
K&N Engineering

K&N 99-07 Honda VT600C/CD Shadow Replacement Air Filter

$90.78
KNNHA-6199
Air Filters Air Filters - Drop In 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 99-00 Honda CBR600F4 Air Filter Quick View
K&N Engineering

K&N 99-00 Honda CBR600F4 Air Filter

$90.78
KNNHA-6099
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 98-06 Honda CBR600 Hornet/04-06 CBF500/CBF600/CB600S/05 CBF600F Replacement Air Filter Quick View
K&N Engineering

K&N 98-06 Honda CBR600 Hornet/04-06 CBF500/CBF600/CB600S/05 CBF600F Replacement Air Filter

$90.78
KNNHA-6098
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 91-94 Honda CBR600F2 Air Filter Quick View
K&N Engineering

K&N 91-94 Honda CBR600F2 Air Filter

$90.78
KNNHA-6091
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 88-98 Honda VT600C Shadow VLX600 / 93-98 VT600CD Shadow VLX Deluxe 600 Replacement Air Filter Quick View
K&N Engineering

K&N 88-98 Honda VT600C Shadow VLX600 / 93-98 VT600CD Shadow VLX Deluxe 600 Replacement Air Filter

$73.75
KNNHA-6088
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 07-09 Honda CBR600RR Air Filter Quick View
K&N Engineering

K&N 07-09 Honda CBR600RR Air Filter

$113.47
KNNHA-6007R
Air Filters Air Filters - Direct 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
This K&N racing air filter has just two layers of cotton to provide even lower air restriction than our replacement air filter for street...
K&N 03-06 Honda CBR600RR Air Filter Quick View
K&N Engineering

K&N 03-06 Honda CBR600RR Air Filter

$90.78
KNNHA-6003
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 01-06 Honda CBR600F 600/CRB600F 4I Replacement Air Filter Quick View
K&N Engineering

K&N 01-06 Honda CBR600F 600/CRB600F 4I Replacement Air Filter

$90.78
KNNHA-6001
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 07-09 Honda CBF600 Hornet Air Filter Quick View
K&N Engineering

K&N 07-09 Honda CBF600 Hornet Air Filter

$90.78
KNNHA-5907
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 19-20 Honda CBR500R Replacement Air Filter Quick View
K&N Engineering

K&N 19-20 Honda CBR500R Replacement Air Filter

$90.78
KNNHA-5019
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N Replacement Unique Oval Tapered Air Filter for 2013 Honda CB500F/CB500X/CB500R incld ABS Quick View
K&N Engineering

K&N Replacement Unique Oval Tapered Air Filter for 2013 Honda CB500F/CB500X/CB500R incld ABS

$90.78
KNNHA-5013
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N Precharger Round Straight Air Filter Wrap for 01-14 Honda TRX500 - Black Quick View
K&N Engineering

K&N Precharger Round Straight Air Filter Wrap for 01-14 Honda TRX500 - Black

$35.45
KNNHA-5000PK
Air Filters Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more Pre-Filters save$$ Trick-Or-Treat
The K&N PreCharger filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dusty conditions....
K&N 00-09 Honda TRX500/TRX650 Air Filter Quick View
K&N Engineering

K&N 00-09 Honda TRX500/TRX650 Air Filter

$73.75
KNNHA-5000
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N Honda CRF450R 449 2017-2019 Air Filter Quick View
K&N Engineering

K&N Honda CRF450R 449 2017-2019 Air Filter

$226.96
KNNHA-4517XD
Air Filters Air Filters - Direct Fit Air Intake System All All Air Filters K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N XStream Series Motocross Air Filters take performance to the next level with the addition of a filter within the filter's top in order...
K&N XStream Motorcross Replacement Air Filter-2013 HONDA CRF450R 449 Quick View
K&N Engineering

K&N XStream Motorcross Replacement Air Filter-2013 HONDA CRF450R 449

$283.70
KNNHA-4513XD
Air Filters Air Filters - Drop In Air Intake System All All Air Filters K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N XStream Series Motocross Air Filters take performance to the next level with the addition of a filter within the filter's top in order...
K&N 2009 Honda CRF450R Extreme Duty Replacement Air Filter Quick View
K&N Engineering

K&N 2009 Honda CRF450R Extreme Duty Replacement Air Filter

$226.96
KNNHA-4509XD
Air Filters Air Filters - Direct 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 XStream Series Motocross Air Filters take performance to the next level with the addition of a filter within the filter's top in order...
K&N 06-09 & 12-13 Honda TRX450ER / 06-09 TRX450R Powerlid Air Box Cover Quick View
K&N Engineering

K&N 06-09 & 12-13 Honda TRX450ER / 06-09 TRX450R Powerlid Air Box Cover

$226.96
KNNHA-4506-T
Air Filters Air Filters - Drop In Air Intake System All All Air Filters K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
The K&N Powerlid eliminates restrictive ATV intake snorkels by replacing the stock air box lid with a high airflow filter lid. The Powerlid works...
K&N 04-05 Honda TRX450R Air Filter Quick View
K&N Engineering

K&N 04-05 Honda TRX450R Air Filter

$113.47
KNNHA-4504
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N Round Tapered PreCharger Air Filter Wrap Quick View
K&N Engineering

K&N Round Tapered PreCharger Air Filter Wrap

$42.54
KNNHA-4400PR
Air Filters Black Friday 2024 K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more Pre-Filters save$$ Trick-Or-Treat
The K&N PreCharger filter wrap is specially designed to extend the service interval of your K&N Filtercharger filter when used in very dusty conditions....
K&N 86-89 Honda TRX250R 6 inch H 4 inch ID 4.75 inch OD Tapered Conical Air Filter Quick View
K&N Engineering

K&N 86-89 Honda TRX250R 6 inch H 4 inch ID 4.75 inch OD Tapered Conical Air Filter

$90.78
KNNHA-4250
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N 07-13 Honda TRX420 Rancher AT/MT 420 Replacement Air Filter Quick View
K&N Engineering

K&N 07-13 Honda TRX420 Rancher AT/MT 420 Replacement Air Filter

$90.78
KNNHA-4207
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N 99-09 Honda TRX400EX/X Replacement Air Filter Quick View
K&N Engineering

K&N 99-09 Honda TRX400EX/X Replacement Air Filter

$90.78
KNNHA-4099
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N 98-00 Honda CB400 VTEC 400 Replacement Air Filter Quick View
K&N Engineering

K&N 98-00 Honda CB400 VTEC 400 Replacement Air Filter

$73.75
KNNHA-4098
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 21-22 Honda Forza 300/350 Replacement Air Filter Quick View
K&N Engineering

K&N 21-22 Honda Forza 300/350 Replacement Air Filter

$68.08
KNNHA-3521
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N 00-07 Honda TRX350/400 Rancher Replacement Air Filter Quick View
K&N Engineering

K&N 00-07 Honda TRX350/400 Rancher Replacement Air Filter

$90.78
KNNHA-3500
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N 98-04 Honda TRX300/TRX300FW/TRX400FW/TRX450ES/TRX450S/TRX450FE/TRX450FM Replacement Air Filter Quick View
K&N Engineering

K&N 98-04 Honda TRX300/TRX300FW/TRX400FW/TRX450ES/TRX450S/TRX450FE/TRX450FM Replacement Air Filter

$102.12
KNNHA-3098
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N Replacement Air Filter 93-09 Honda TRX300EX 300 2.875in Flange ID / 4.5in OD / 5in Height Quick View
K&N Engineering

K&N Replacement Air Filter 93-09 Honda TRX300EX 300 2.875in Flange ID / 4.5in OD / 5in Height

$73.75
KNNHA-3094
Air Filters Air Filters - Drop In 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N 21-22 Honda CRF300L 286 All Models Drop In Air Filter Quick View
K&N Engineering

K&N 21-22 Honda CRF300L 286 All Models Drop In Air Filter

$90.78
KNNHA-3021
Air Filters Air Filters - Direct 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 off-road replacement air filters are ideal for extended use in dirty and dusty off-road riding and provide clean carburetion even at high altitude....
K&N 07-12 Honda SH300I 300 Replacement Air Filter Quick View
K&N Engineering

K&N 07-12 Honda SH300I 300 Replacement Air Filter

$73.75
KNNHA-3011
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
K&N Replacement Air Filter for 18-19 Honda CB250R 249 Quick View
K&N Engineering

K&N Replacement Air Filter for 18-19 Honda CB250R 249

$73.75
KNNHA-2819
Air Filters Air Filters - Direct 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's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...
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K&N 05-06 Honda FMX650 Replacement Air Filter Quick View
K&N Engineering

K&N 05-06 Honda FMX650 Replacement Air Filter

$73.75
KNNHA-6505
Air Filters Air Filters - Drop In Air Intake System All All Air Filters K&N Engineering - Air Intake System, Air Filters, Oil Filers, and more save$$ Trick-Or-Treat
K&N's high-flow air filters are available as a replacement for your stock motorcycle air filter element. They are custom engineered to fit your specific...

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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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