| K&N RC4780 Specifications |
|---|
| Flange Type | Centered | | Flanges | 1 | | Footnote 1 | Base Has (2) 7/8" Vents | | Footnote 2 | Base Has Optional 1/2" Vent | | Footnote 3 | Black Powder Coated Top Plate | | Height | 9.5 in (241 mm) | | Product Style | Round Tapered Universal Air Filter | | Top Material/Finish | Black Powder Coated | | Top Outside Diameter | 5.25 in (133 mm) | | Top Style | Metal | | Air Filter Shape | Round Tapered | | Base Outside Diameter | 6.625 in (168 mm) | | Filter Material | Cotton Gauze | | Filter Re-Oiling Amount | 6.79 oz (201 ml) | | Flange Angle | 0 degrees | | Flange Inside Diameter | 4 in (102 mm) | | Flange Length | 1.688 in (43 mm) | | Flange Offset | 0 in (0 mm) |
|
|
| Replacement Filter for Performance Intake Kit # 57-2531; 4"FLG, 6-5/8"B, 5-1/4"T, 9-1/2"H, W/OFFSET STUD & 23/32"HOLE |
K&N automotive stock replacement air filters are made with an oiled cotton media that is washable and reusable. They are designed to achieve high, virtually unrestricted air flow while maintaining filtration levels critical to ensure long engine life.
Features
- High flow air filters designed to improve engine performance
- Designed to increase horsepower, torque, and acceleration
- Excellent filtration and dependable protection for long engine life
- Washable and reusable air filters that are easy to clean and reuse
- Long service intervals up to 50,000 miles depending on driving conditions
- Environmentally friendly reusable air filters
 Which Air Filter Is Right For You?
| Driving Style |
| Filter Type |
Filter Change Intervals |
Normal City / Highway |
Heavy Traffic |
Dirty / Dusty Conditions |
Extreme Weather |
Towing |
Economy
|
12,000 Miles |
★ |
|
|
|
|
Standard Replacement
|
OEM Recommended |
★ |
★ |
★ |
|
|
Premium
|
OEM Recommended |
★ |
★ |
★ |
★ |
★ |
|
K&N Warranty Information:OE Replacement Air Filters: Million-mile K&N limited warranty |
|
