K&N XStream Air Flow Tops replace the top of your existing round filter and add a new dimension to engine breathing by feeding your engine all the air it can use. They are washable and reusable just like other K&N Air Filters.
- Air filter top adds filter area
Information:
Designed For Serious Racers; Enhances Performance; Pulls More Air Through; Best Filtration Available; More Protection And Airflow; Universal Clamp-On Filter| Attributes | |
| ASIN | B00029WY4Y |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Air Filter Shape | Round Lid |
| Alternate Part Number | 66-1401 |
| Automotive Item Grade | High Performance |
| California Proposition 65 | WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov |
| Cap Outside Diameter | N/A |
| Color | Heather Red |
| Country of Origin (Primary) | US |
| Diameter Inside (in.) | N/A |
| Diameter Outside (in.) | 14 |
| Emission Code | Legal US |
| Filter Material | Cotton Gauze |
| Filter Re-Oiling Amount | 0.92 oz (27 ml) |
| Filter Style | Dry |
| Flange Angle | 0 Degree |
| Flanges | None |
| Frame Design | Rigid |
| GTIN | 00024844035462 |
| Harmonized Tariff Code (Schedule B) | 8421310000 |
| Hazardous Material Code | N |
| Height | 1 in (25 mm) |
| Height (in.) | 1.00 in. (25mm) |
| Inside Diameter | N/A |
| Item Height | 1.000 in. (25mm) |
| Item Type | High Performance |
| Item Weight | 1.700 lbs. (0.8 kg) |
| Life Cycle Status Code | Available to Order |
| Machine Washable | Yes |
| NAFTA Preference Criterion Code | B |
| Number of Flanges | None |
| Oil Included | Yes, Filter Is Pre-Oiled |
| Outside Diameter | 14 in (356 mm) |
| Outside Width | 14 in. |
| Overall Filter Efficiency | Up To 99% Efficiency |
| Overall Length | N/A |
| Overall Length (in.) | N/A |
| Package Content | 1 |
| Package Contents | 1 X-Stream Top Lid |
| Package Material | Paperboard |
| Package Quantity | 1 |
| Package Type | Box |
| Pre-Screened | Yes |
| Product Box Height | 15.13 in (384 mm), 15.130 in. (384mm) |
| Product Box Length | 15.38 in (391 mm), 15.380 in. (391mm) |
| Product Box Width | 2.25 in (57 mm), 2.250 in. (57mm) |
| Product Style | Accessories |
| SDR Required Flag | N |
| Shape | Round Lid |
| Top Material | Black Powder Coated |
| Top Material/Finish | Black Powder Coated |
| Top Style | X-Stream |
| Warranty | 1 Year Limited |
| Warranty Time | 3 |
| Washable | Yes |
| Weight | 1.7 lb (0.8 kg) |
| Width | N/A |
| Width (in.) | N/A |
K&N 66-1401 X-Stream Top Filter
Product Information
- Brand: K&N
- Product Number: 66-1401
- Availability: Call for Availability

















