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
- Synthetic High Performance Filter
- One-Piece Aluminum Backing Plate
- Radius Air Inlet for Unobstructed Airflow
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2016 | Harley-Davidson | Breakout FXSB | |
| 2015-2016 | Harley-Davidson | Electra Glide Low Ultra Classic FLHTCUL | |
| 2015 | Harley-Davidson | Electra Glide Low Ultra Limited FLHTKL | |
| 2014-2016 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU | |
| 2014-2015 | Harley-Davidson | Electra Glide Ultra Limited FLHTK | |
| 2016 | Harley-Davidson | Fat Boy FLSTF | |
| 2016 | Harley-Davidson | Fat Boy Lo FLSTFB | |
| 2015-2016 | Harley-Davidson | Freewheeler FLRT | |
| 2016 | Harley-Davidson | Heritage Softail Classic FLSTC | |
| 2015-2016 | Harley-Davidson | Road Glide FLTRX | |
| 2015-2016 | Harley-Davidson | Road Glide Special FLTRXS | |
| 2016 | Harley-Davidson | Road Glide Ultra FLTRU | |
| 2014-2016 | Harley-Davidson | Road King FLHR | |
| 2016 | Harley-Davidson | Softail Deluxe FLSTN | |
| 2016 | Harley-Davidson | Softail Slim FLS | |
| 2014-2016 | Harley-Davidson | Street Glide FLHX | |
| 2014-2016 | Harley-Davidson | Street Glide Special FLHXS | |
| 2015 | Harley-Davidson | Tri Glide Ultra Classic FLHTCUTG | |
| 2016 | Harley-Davidson | Tri Glide Ultra FLHTCUTG | |
| 2016 | Harley-Davidson | Ultra Limited FLHTK | |
| 2016 | Harley-Davidson | Ultra Limited Low FLHTKL | |