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K&N Engineering
The World's Best Air Filter — High-flow filtration engineered for increased horsepower.
AUTHORITY // K&N Engineering
Verified Brand Catalog
2 Product Categories
13 Specialized Sub-Taxonomies
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AUTHENTIC MANUFACTURER PROFILE
About K&N Engineering
Founded in 1969 by Ken Johnson and Norm McDonald in Riverside, California, K&N Engineering pioneered the washable, reusable high-flow cotton gauze air filter for desert motorcycle racing. K&N air and oil filters are engineered to dramatically improve airflow while providing laboratory-tested engine protection across street, track, and off-road applications.
Founded
1969
Corporate Headquarters
Riverside, California, USA
Core Product Specialties
High-Flow Washable Air FiltersWrench-Off Oil FiltersAir Intake SystemsHigh-Flow Fuel Filters
Proprietary Engineering & Standards
Multi-layered oiled cotton gauze media layered between wire mesh to maximize airflow while capturing 99% of particulate contaminants
Washable and reusable design engineered to last up to 50,000 miles between cleanings under normal highway conditions
Wrench-Off oil filters with welded 17mm hex nut and safety wire drill hole for fast trackside servicing
Vehicle-specific molded rubber flanges ensuring an airtight seal inside OEM factory airboxes
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All ProductsFuel Systems & Air IntakeOils, Fluids & Workshop ToolsOils & FluidsEngine Mechanical & InternalsAir Filters - Drop InFuel Filters, Petcocks & LinesFuel Systems & Intake AssembliesAir Filters - Direct FitPerformance Intake SystemsCold Air IntakesAir Filters, Pre-Filters & CleanersCarburetor Rebuild Kits & JetsFuel Injection Tuners & Management
All K&N Engineering Products
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K&N
K&N STREET METAL INTAKE HAMMER MIRROR FINISH RK-3933
Fuel Systems & Air Intake
$457.99
IN STOCK
K&N
K&N Hammer Street Metal Intake System
Fuel Systems & Air Intake
$384.99
IN STOCK
K&N Engineering
K&N Engineering KN UTV Air Intake Systems
Cold Air Intakes
$472.99
IN STOCK
K & N
K & N Fuel System Rebuild Kit
Carburetor Rebuild Kits & Jets
$384.15$391.99
2% OFF
K&N
K&N Race Spec High Flow Air Filter
Fuel Systems & Air Intake
$132.99
IN STOCK
K&N
K&N AIR FILTER DUC
Fuel Systems & Air Intake
$116.99
IN STOCK
K&N
K&N AIR FILTER HD-4915 REPLACEMENT
Fuel Systems & Air Intake
$112.69$114.99
2% OFF
K & N
K & N Fuel Injection Tuner & Intake System
Fuel Injection Tuners & Management
$112.69$114.99
2% OFF
K&N
K&N AIR FILTER HD-1390 REPLACEMENT
Fuel Systems & Air Intake
$108.95
IN STOCK
K&N
K&N AIR FILTER PL-1608
Fuel Systems & Air Intake
$106.99
IN STOCK
K&N
K&N AIR FILTER HD-1395 REPLACEMENT
Fuel Systems & Air Intake
$104.85$106.99
2% OFF
K&N
K&N High Flow Air Filter
Fuel Systems & Air Intake
$104.85$106.99
2% OFF
K&N
K&N AIR FILTER HD-1717 REPLACEMENT
Fuel Systems & Air Intake
$102.99
IN STOCK
K&N
K&N AIR FILTER PL-1814
Fuel Systems & Air Intake
$102.99
IN STOCK
K&N
K&N Top Filter
Fuel Systems & Air Intake
$97.84$102.99
5% OFF
K&N
K&N AIR FILTER HD-9608 REPLACEMENT
Fuel Systems & Air Intake
$102.99
IN STOCK
K&N
K&N AIR FILTER HD-8834 REPLACEMENT
Fuel Systems & Air Intake
$100.93$102.99
2% OFF
K&N
K&N AIR FILTER HD-1614 REPLACEMENT
Fuel Systems & Air Intake
$100.93$102.99
2% OFF
K&N
K&N AIR FILTER HD-1508 REPLACEMENT
Fuel Systems & Air Intake
$102.99
IN STOCK
K&N
K&N AIR FILTER HD-1212 REPLACEMENT
Fuel Systems & Air Intake
$100.93$102.99
2% OFF100% FACTORY AUTHENTICATED
Need K&N Engineering Fitment Advice?
Our California fitment specialists verify motorcycle make, model, and year compatibility for all K&N Engineering products against live factory technical specifications.