K&N Universal Custom Air Filter - Oval - Red - 8.813 L x 6.188in W x 2.25in H - RT-3910
- Brand
- K&N Engineering
- SKU:
- KNNRT-3910
- UPC:
- 024844183569
- Availability:
- Regularly stocked product
- CARB:
- This product is not CARB Legal and not for sale in California
- Core:
- N
- Core Price:
- 0
- MPN:
- RT-3910
- Proposition 65:
- Y
- Special Order:
- Y
The K&N RT-3910 Custom Air Filter converts the RK-Series Air Filter Assembly (RK-3909) with a taller K&N Air Filter and longer spacers. It is designed for Harley owners who need more air for better performance.