K&N Replacement Air Filter Monster S2R / S4R
KNDU9001
- Most products are not stocked instore. Please contact us to confirm instore availability.
- Low stock - 1 item left
- Backordered, shipping soon
This K&N racing air filter has just two layers of cotton to provide even lower air restriction than our replacement air filter for street vehicles. Unlike K&N replacement air filters, fuel management modifications will be necessary with this racing filter. K&N racing air filters are washable and reusable.
Features:
- Designed to increase horsepower and acceleration.
- Designed for racing and track applications, not for street use.
- Washable and reusable air filter.
- Low restriction.
Specifications:
- Filte Material: Cotton Gauze
- Washable: Yes
- Height: 24mm
- Outside Length: 279mm
- Outside Width: 217mm
- Filter Re-Oiling Amount: 33ml