K&N Intake System- for Harley-Davidson
Part # RK-3930
Features
- Increases horsepower
- Washable and reusable
- Fits inside stock cover
- Provides increased air flow
Description
The K& N RK-3930 Air Intake System was designed to get more horsepower from your Twin Cam Harley-Davidson engine. Built around the legendary K& N High-Flow Air Filter, this RK Series assembly includes an innovative powder coated billet aluminum back plate that eliminates external breathers and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover.
Specifications
| Air Box Included | No |
|---|---|
| Air Filter Color | Red |
| Air Filter Height | 1.625 in (41 mm) |
| Air Filter Inside Diameter | 6.188 in (157 mm) |
| Air Filter Material | Cotton Gauze |
| Air Filter Outlet Shape | Not Flanged |
| Air Filter Shape | Oval |
| Air Filter Washable | Yes |
| CARB EO Number | D-269-55/59 |
| Clamp Color/Finish | Not Applicable |
| Clamp Material | No Clamps Required |
| Clamp Style | No Clamps Required |
| Clamps Included | No Clamps Included |
| Color / Finish | Red Filter, Aluminum Top |
| Couplers Included | None |
| Estimated Horsepower Gain | 8.43 HP @ 3700 RPM |
| Inlet Diameter | 2.469 in (63 mm) |
| Mass Air Flow Sensor Adapter Included | No |
| Mounting Hardware Included | Yes |
| Neck Flange | 2.469 in (63 mm) |
| Oil Included | Yes |
| Overall Height | 1.875 in (48 mm) |
| Package Material | Paperboard |
| Package Type | Box |
| Product Style | Motorcycle Intake System |
| Replacement Filter | E-3972 |
| Size | 9 Inch |
| Street Legal In All US States | Legal for use in all 50 states. |
| Style | Oval |
| Top Material | Aluminum |
| UPC / GTIN | 00024844200556 |
| Warranty | No-Hassle Lifetime Limited warranty |
| Year | Make | Model | Note |
|---|---|---|---|
| 2008 - 2013 | Harley-Davidson | FLHRC Road King Classic | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2008 - 2013 | Harley-Davidson | FLHR Road King | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2008 | Harley-Davidson | FLHRSE4 Screamin Eagle Road King | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2008 - 2013 | Harley-Davidson | FLHTC Electra Glide Classic | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2008 - 2011 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2012 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | California Air Resources Board Exempt: Yes; CARB EO: D-269-55; Motorcycle Intake System - Black |
| 2013 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2010 | Harley-Davidson | FLHTCUSE5 CVO Ultra Classic Electra Glide | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2009 - 2012 | Harley-Davidson | FLHTCUTG Tri Glide Ultra Classic | California Air Resources Board Exempt: Yes; CARB EO: D-269-55; Motorcycle Intake System - Black |
| 2013 | Harley-Davidson | FLHTCUTG Tri Glide Ultra Classic | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2008 - 2009 | Harley-Davidson | FLHT Electra Glide Standard | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2010 - 2012 | Harley-Davidson | FLHTK Electra Glide Ultra Limited | California Air Resources Board Exempt: Yes; CARB EO: D-269-55; Motorcycle Intake System - Black |
| 2013 | Harley-Davidson | FLHTK Electra Glide Ultra Limited | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2008 - 2013 | Harley-Davidson | FLHX Street Glide | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2010 | Harley-Davidson | FLHXXX Street Glide Trike | California Air Resources Board Exempt: Yes; CARB EO: D-269-55; Motorcycle Intake System - Black |
| 2011 | Harley-Davidson | FLHXXX Street Glide Trike | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2008 - 2009 | Harley-Davidson | FLTR Road Glide | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2010 | Harley-Davidson | FLTR Road Glide | California Air Resources Board Exempt: Yes; CARB EO: D-269-55; Motorcycle Intake System - Black |
| 2011 - 2012 | Harley-Davidson | FLTRU Road Glide Ultra | California Air Resources Board Exempt: Yes; CARB EO: D-269-55; Motorcycle Intake System - Black |
| 2013 | Harley-Davidson | FLTRU Road Glide Ultra | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |
| 2010 - 2013 | Harley-Davidson | FLTRX Road Glide Custom | California Air Resources Board Exempt: Yes; CARB EO: D-269-59; Motorcycle Intake System - Black |