KN Air Intake Components
K&N Engineering Air Intake Systems › Air Intake Components

KN Air Intake Components

Part # knn100-8578 MFR # 100-8578 UPC 024844254078 ID 896916

K&N Carbon Fiber Air Box Medium 4in h Air Box Only No Base

✓ In Stock (4 locations)
$499.99
MAP price — best available price
Free ground shipping on eligible orders
⚠️ Prop 65 Warning — Contains chemicals known to the State of California to cause cancer or reproductive harm.
⚠️ Not CARB Approved — Race/off-road use only. Not legal for street use on California-registered vehicles.
⚠️ CARB Acknowledgment Required — Buyer must confirm emissions compliance at checkout.
Identification
BrandK&N Engineering
Part Numberknn100-8578
MFR Part #100-8578
UPC / Barcode024844254078
Item ID896916
Price GroupK&N
Born-On Date2025-09-23
CategoryAir Intake Systems
SubcategoryAir Intake Components
Dimensions & Shipping
Dimensions20.4" × 10.8" × 10.4" (L×W×H)
Weight2.56 lbs
LTL FreightStandard Parcel
Air ShippingEligible
Stock & Availability
Status ✓ In Stock (4 locations)
Warehouses
● 01 ● 02 ● 03 ● 59
Regular StockNo
PowersportsNo
Compliance & Regulations
Prop 65⚠ Warning Required
CARBNot CARB Approved
CARB Ack.Required
ActiveActive
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