57-2579 K&N PERFORMANCE AIR INTAKE SYSTEM FORD SHELBY MUSTANG GT500 V8 5.4L 2011-2013
| Estimated Horsepower Gain | 30.49 HP @ 5200 RPM |
| Replacement Filter | RU-1044 |
| Air Filter Color | Red |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Round |
| Clamps Included | 5 |
| Clamp Material | Stainless Steel |
| Clamp Style | Regular |
| CARB EO Number | D-269-48 |
| Couplers Included | 2 |
| Type | Gen II |
| Product Style | 57 Series FIPK |
| Alternate Replacement Filter | RF-1044/RU-1044XD |
| Intake Pipe Color / Finish | Black |
| Intake Pipe Material | High-Density Cross-Linked Polyethylene |
| Street Legal In All US States | Yes |
| TUV Approved (Europe) | No |
| Weight | 11.2 lb (5.1 kg) |
| Product Box Height | 12.5 in (318 mm) |
| Product Box Length | 22.25 in (565 mm) |
| Product Box Width | 14.25 in (362 mm) |
| Mounting Hardware Included | Yes |