Not only does the K&N XStream add filter area, it actually redirects airflow inside the filter to pull in more air through the side pleats for even greater performance efficiency. Cleanable and reusable, the XStream Air Flow Top filter delivers the best protection available for your engine.
- Washable and reusable air filter
- Air filter top adds filter area
- Improves air flow
- Washable and reusable
| Attributes | |
| ASIN | B00062ZMAA |
| Air Filter Color | Red |
| Air Filter Element Washable | Yes |
| Air Filter Height | 3.5 in (89 mm) |
| Air Filter Inside Diameter | 9.25 in (235 mm) |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Air Filter Shape | Round |
| Air Filter Washable | Yes |
| Alternate Part Number | 66-3120 |
| CARB/Air Horn Diameter | 5.125 in. |
| CARB/Air Horn Diameter (in.) | 5.125 in. |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Carb/Air Horn Dia. (in.) | 5.125 |
| Color | Red Filter |
| Color / Finish | Red Filter |
| Country of Origin (Primary) | US |
| Diameter Outside (in.) | 11 |
| Emission Code | Legal US |
| Filter Color | Red |
| Filter Material | Cotton Gauze |
| Finish | Red Filter |
| GTIN | 00024844080967 |
| Harmonized Tariff Code (Schedule B) | 8421310000 |
| Hazardous Material Code | N |
| Inlet Diameter | 5.125 in (130 mm) |
| Item Weight | 4.100 lbs. (1.9 kg) |
| Life Cycle Status Code | Available to Order |
| Material | Aluminum |
| Mounting Hardware Included | Yes |
| NAFTA Preference Criterion Code | B |
| Neck Flange | 5.125 in (130 mm) |
| Oil Included | Yes, Filter Is Pre-Oiled |
| Outside Diameter | 11.000 in. |
| Overall Filter Efficiency | Up To 99% Efficiency |
| Overall Height | 4.75 in (121 mm) |
| Package Material | Paperboard |
| Package Type | Box |
| Product Box Height | 14.5 in (368 mm), 14.500 in. (368mm) |
| Product Box Length | 14.25 in (362 mm), 14.250 in. (362mm) |
| Product Box Width | 6.5 in (165 mm), 6.500 in. (165mm) |
| Product Style | Custom Assemblies |
| Replacement Filter | E-1250 |
| SDR Required Flag | N |
| Shape | Round |
| Size | 11 Inch |
| Style | Standard |
| Top Material | None |
| Top Material/Finish | None |
| Top Style | X-Stream |
| Warranty | 1 Year Limited |
| Warranty Time | 12 |
| Weight | 4.1 lb (1.9 kg) |
K&N 66-3120 X-Stream Top Assembly
Product Information
- Brand: K&N
- Product Number: 66-3120
- Availability: Call for Availability

















