Big Sucker® Stage 1 air cleaners are engineered and proven to give your engine maximum airflow for more horsepower and torque. The patented hidden breather backing plate is o-ringed at the heads and exits inside the mouth of the throttle body for a virtually closed loop system, eliminating the need for any external hoses or hardware
- For use with factory air cleaner cover
- Increases Horsepower and Torque
- Patented Hidden Breather Technology
- Pre-Oiled High Performance Filter
- One-Piece Aluminum Backing Plate
- Radius Air Inlet for Unobstructed Airflow
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2008-2012 | Harley-Davidson | Electra Glide Classic FLHTC | |
| 2008-2009 | Harley-Davidson | Electra Glide FLHT | |
| 2008-2012 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | |
| 2010-2012 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | |
| 2010-2013 | Harley-Davidson | Road Glide Custom FLTRX | |
| 2008-2009 | Harley-Davidson | Road Glide FLTR | |
| 2011-2013 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 2008-2012 | Harley-Davidson | Road King Classic FLHRC | |
| 2008-2012 | Harley-Davidson | Road King FLHR | |
| 2008-2012 | Harley-Davidson | Street Glide FLHX | |
| 2010-2011 | Harley-Davidson | Street Glide Trike FLHXXX | |
| 2009-2012 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | |