K&N Engineering
Air Intake Systems › Air Intake Components
KN Air Intake Components
Part # knn100-8521 MFR # 100-8521 ID 4318058
K&N Custom Racing Unique Oval Tapered Filter 17.313in OL B/7.75in OW B/14.625inOL T/6.125inOW T/9in
✓ In Stock (4 locations)
$629.99
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
| Brand | K&N Engineering |
|---|---|
| Part Number | knn100-8521 |
| MFR Part # | 100-8521 |
| Item ID | 4318058 |
| Price Group | K&N |
| Born-On Date | 2014-03-03 |
| Category | Air Intake Systems |
| Subcategory | Air Intake Components |
Dimensions & Shipping
| Dimensions | 18.4" × 12.8" × 12.4" (L×W×H) |
|---|---|
| Weight | 2.83 lbs |
| LTL Freight | Standard Parcel |
| Air Shipping | Eligible |
Stock & Availability
| Status | ✓ In Stock (4 locations) |
|---|---|
| Warehouses |
● 01
● 02
● 03
● 59
|
| Regular Stock | No |
| Powersports | No |
Compliance & Regulations
| Prop 65 | ⚠ Warning Required |
|---|---|
| CARB | Not CARB Approved |
| CARB Ack. | Required |
| Active | Active |