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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

$118.23 $60.29
-49%
MBRP Universal 4 ID. to 5 ID. Adapter Aluminized - eliteracefab.com
MBRP

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

$94.58 $48.23
-17%
JBA 1650ST | 2.5IN STAINLESS STEEL 1650 STARTER TUBES - eliteracefab.com
JBA

JBA 1650ST

$97.49 $80.20
-49%
MBRP Universal 4 ID. to 5OD. Adapter Aluminized - eliteracefab.com
MBRP

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

$94.58 $48.23
-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

$118.23 $60.29
-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

$93.58 $62.71
-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)

$73.01 $66.05
-34%
T304 3
BLOX Racing

T304 3" REDUCER - 02+ SUBARU WRX / STI

$78.05 $51.13
K&N 99-01 Harley-Davidson Twin Cam F/I Air Filter Quick View
K&N Engineering

K&N 99-01 Harley-Davidson Twin Cam F/I Air Filter

$102.15
KNNHD-8899
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 04-10 Harley Davidson Sportster Replacement Air Filter Quick View
K&N Engineering

K&N 04-10 Harley Davidson Sportster Replacement Air Filter

$90.80
KNNHD-8834
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 17-19 Harley Davidson XG750A Street Rod 46 CI Replacement Air Filter Quick View
K&N Engineering

K&N 17-19 Harley Davidson XG750A Street Rod 46 CI Replacement Air Filter

$90.80
KNNHD-7517
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 Textured Black Replacement Air FIlter 2015 Harley Davidson XG500 Street Quick View
K&N Engineering

K&N Textured Black Replacement Air FIlter 2015 Harley Davidson XG500 Street

$102.15
KNNHD-4915
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 75-78 Harley Davidson 1000/1200CC Drop In Replacement Air Filter Quick View
K&N Engineering

K&N 75-78 Harley Davidson 1000/1200CC Drop In Replacement Air Filter

$73.77
KNNHD-2075
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 2018 Harley Davidson FXLR Low Rider Replacement Drop In Air Filter Quick View
K&N Engineering

K&N 2018 Harley Davidson FXLR Low Rider Replacement Drop In Air Filter

$90.80
KNNHD-1718
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 2017 Harley Davidson FLHR Road King Replacement Air Filter Quick View
K&N Engineering

K&N 2017 Harley Davidson FLHR Road King Replacement Air Filter

$90.80
KNNHD-1717
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 Air Filter 6.625in L x 4.75in W x 1.625in H with 1 Flange for Harley Davidson Quick View
K&N Engineering

K&N Replacement Unique Air Filter 6.625in L x 4.75in W x 1.625in H with 1 Flange for Harley Davidson

$90.80
KNNHD-1614
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 7.125in L x 5.688in W x 1.625in H for Harley Davidson Quick View
K&N Engineering

K&N Replacement Air Filter 7.125in L x 5.688in W x 1.625in H for Harley Davidson

$102.15
KNNHD-1611
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 1.625in H x 7.5in L for Harley Davidson Quick View
K&N Engineering

K&N Replacement Air Filter 1.625in H x 7.5in L for Harley Davidson

$90.80
KNNHD-1508
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 1.625in H for Harley Davidson Quick View
K&N Engineering

K&N Replacement Air Filter 1.625in H for Harley Davidson

$73.77
KNNHD-1499
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 Harley Davidson Non-US Models 1995-1999 Air Filter Quick View
K&N Engineering

K&N Harley Davidson Non-US Models 1995-1999 Air Filter

$90.80
KNNHD-1396
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 Harley Davidson F/I Models 1995-1998 Air Filter Quick View
K&N Engineering

K&N Harley Davidson F/I Models 1995-1998 Air Filter

$90.80
KNNHD-1395
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 Harley Davidson EVO 1990-1999 Air Filter Quick View
K&N Engineering

K&N Harley Davidson EVO 1990-1999 Air Filter

$90.80
KNNHD-1390
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 88-03 Harley Davidson Sportster Replacement Air Filter Quick View
K&N Engineering

K&N 88-03 Harley Davidson Sportster Replacement Air Filter

$90.80
KNNHD-1388
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 12-16 Harley Davidson XL 883/1200 Drop In Air Filter Quick View
K&N Engineering

K&N 12-16 Harley Davidson XL 883/1200 Drop In Air Filter

$90.80
KNNHD-1212
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 08-09 Harley Davidson XR1200 74 CI / 10-12 XR1200X Sportster 74 CI Replacement Air Filter Quick View
K&N Engineering

K&N 08-09 Harley Davidson XR1200 74 CI / 10-12 XR1200X Sportster 74 CI Replacement Air Filter

$90.80
KNNHD-1208
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 02-09 Harley Davidson VRSCA V-Rod Replacement Air Filter Quick View
K&N Engineering

K&N 02-09 Harley Davidson VRSCA V-Rod Replacement Air Filter

$73.77
KNNHD-1102
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 88-12 Harley Davidson Sportster Screamin Eagle Element Replacement Air Filter Quick View
K&N Engineering

K&N 88-12 Harley Davidson Sportster Screamin Eagle Element Replacement Air Filter

$90.80
KNNHD-0900
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 Replacement Air Filter for some Harley Davidson Sportster 883 & 1200 models with Screamin' Eagle Upgrade. K&N lifetime replacement air filters are designed...
K&N Replacement Air Filter 5.5in Top OD x 6in Base OD x 2.313in H for Harley Davidson Quick View
K&N Engineering

K&N Replacement Air Filter 5.5in Top OD x 6in Base OD x 2.313in H for Harley Davidson

$73.77
KNNHD-0818
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 Drycharger Air Filter Wrap HD-0800 Black Quick View
K&N Engineering

K&N Drycharger Air Filter Wrap HD-0800 Black

$35.46
KNNHD-0800DK
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 Drycharger is a silicone treated, polyester wrap that is made to cover K&N Air Filters or Personal Watercraft Flame Arrestors. These Drychargers,...
K&N Round Tapered 6.25in Base OD x 5.5in Top OD x 2.125in H Replacement Filter for Harley Davidson Quick View
K&N Engineering

K&N Round Tapered 6.25in Base OD x 5.5in Top OD x 2.125in H Replacement Filter for Harley Davidson

$90.80
KNNHD-0800
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 Universal 7in OD / 5in ID / 1.938in H Round Replacement Air Filter Quick View
K&N Engineering

K&N Universal 7in OD / 5in ID / 1.938in H Round Replacement Air Filter

$90.80
KNNHD-0600
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 Harley Davidson FL/FX/FLH 1967-1975 Air Filter Quick View
K&N Engineering

K&N Harley Davidson FL/FX/FLH 1967-1975 Air Filter

$73.77
KNNHD-0200
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 16-17 Honda CRF1000L Africa Twin 998 Replacement Drop In Air Filter (2 Per Box) Quick View
K&N Engineering

K&N 16-17 Honda CRF1000L Africa Twin 998 Replacement Drop In Air Filter (2 Per Box)

$147.56
KNNHA-9916
Air Filters Air Filters - Drop In Air Intake System All Air Intake Systems Air Intake Systems | Elite Race Fab 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 02-03 Honda CBR900RR/CBR954RR Air Filter Quick View
K&N Engineering

K&N 02-03 Honda CBR900RR/CBR954RR Air Filter

$90.80
KNNHA-9502
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 00-01 Honda CBR900RR Fireblade/CBR929RR 929 Replacement Air Filter Quick View
K&N Engineering

K&N 00-01 Honda CBR900RR Fireblade/CBR929RR 929 Replacement Air Filter

$90.80
KNNHA-9200
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 93-99 Honda CBR900RR Replacement Air Filter Quick View
K&N Engineering

K&N 93-99 Honda CBR900RR Replacement Air Filter

$90.80
KNNHA-9092-A
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 98-00 Honda VFR800F Int 800 / 01-09 VFR800F Int 782 / 11-12 VFR800 CR 782 Replacement Air Filter Quick View
K&N Engineering

K&N 98-00 Honda VFR800F Int 800 / 01-09 VFR800F Int 782 / 11-12 VFR800 CR 782 Replacement Air Filter

$90.80
KNNHA-8098
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 88-00 Honda GL1500 Gold Wind Air Filter Quick View
K&N Engineering

K&N 88-00 Honda GL1500 Gold Wind Air Filter

$102.15
KNNHA-8088
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 2023 Honda CB750 Hornet / XL750 Transalp Replacement Air Filter Quick View
K&N Engineering

K&N 2023 Honda CB750 Hornet / XL750 Transalp Replacement Air Filter

$90.80
KNNHA-7523
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 04-12 Honda VT750 / VT750C2 / VT750C / VT750 C2B / VT730 RS Quick View
K&N Engineering

K&N Replacement Air FIlter 04-12 Honda VT750 / VT750C2 / VT750C / VT750 C2B / VT730 RS

$73.77
KNNHA-7504
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 98-07 Honda VT750 Shadow Replacement Air Filter Quick View
K&N Engineering

K&N 98-07 Honda VT750 Shadow Replacement Air Filter

$73.77
KNNHA-7500
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 17-18 Honda X-ADV 745 Replacement Drop In Air Filter Quick View
K&N Engineering

K&N 17-18 Honda X-ADV 745 Replacement Drop In Air Filter

$73.77
KNNHA-7417
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 12-13 Honda Integra 670/NC700S 670/NC700X 670 Quick View
K&N Engineering

K&N Replacement Air FIlter 12-13 Honda Integra 670/NC700S 670/NC700X 670

$90.80
KNNHA-7012
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 Drycharger Air Filter Wrap-Round Tapered Black 4.75in Base ID x 4.5in Top ID x 4.75in H Quick View
K&N Engineering

K&N Drycharger Air Filter Wrap-Round Tapered Black 4.75in Base ID x 4.5in Top ID x 4.75in H

$35.46
KNNHA-6806DK
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 Drycharger is a silicone treated, polyester wrap that is made to cover K&N Air Filters or Personal Watercraft Flame Arrestors. These Drychargers,...

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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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