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K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.
Enhance the performance of your 2017-2018 Harley-Davidson Touring motorcycle with the K&N 57-1139 Performance Air Intake System. This system is engineered to replace the restrictive stock OE air cleaner, significantly improving airflow to your engine and delivering a substantial increase in horsepower and torque. The cast aluminum intake tube is designed for optimal air delivery, while the K&N high-flow air filter ensures superior filtration without compromising performance.
The K&N 57-1139 offers a perfect blend of performance enhancement, reliability, and legal compliance. Upgrade your ride with this high-quality intake system from GGCRACING and experience the difference.
| Brand | K&N Engineering |
|---|---|
| Manufacturer part number | 57-1139 |
| GGC SKU | KNN57-1139 |
| UPC / GTIN | 024844368973 |
Use the manufacturer part number when you compare with other listings or ask us to confirm a match.
| Box size | 11.75 × 9.5 × 4.875 in |
|---|---|
| Shipping weight | 4.24 lb |
| Year | Make | Model | Trim |
|---|---|---|---|
| 2018-2020 | Harley-Davidson | FLDE Deluxe 107 | Base |
| 2018-2019 | Harley-Davidson | FLFB Fat Boy 107 | Base |
| 2018-2020 | Harley-Davidson | FLFBS Fat Boy 114 | Base |
| 2018-2021 | Harley-Davidson | FLHC Heritage Classic 107 | Base |
| 2018-2021 | Harley-Davidson | FLHCS Heritage Classic 114 | Base |
| 2017-2021 | Harley-Davidson | FLHR Road King | Base |
| 2018-2021 | Harley-Davidson | FLHRXS Road King Special | Base |
| 2017-2019 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic | Base |
| 2017-2021 | Harley-Davidson | FLHTCUTG Tri Glide Ultra | Base |
| 2017-2021 | Harley-Davidson | FLHTK Ultra Limited | Base |
| 2017-2019 | Harley-Davidson | FLHTKL Ultra Limited Low | Base |
| 2017-2021 | Harley-Davidson | FLHX Street Glide | Base |
| 2017-2021 | Harley-Davidson | FLHXS Street Glide Special | Base |
| 2017-2021 | Harley-Davidson | FLRT Freewheeler | Base |
| 2018-2021 | Harley-Davidson | FLSB Sport Glide 107 | Base |
| 2018-2021 | Harley-Davidson | FLSL Softail Slim 107 | Base |
| 2017-2019 | Harley-Davidson | FLTRU Road Glide Ultra | Base |
| 2017-2021 | Harley-Davidson | FLTRX Road Glide | Base |
| 2017-2021 | Harley-Davidson | FLTRXS Road Glide Special | Base |
| 2018-2020 | Harley-Davidson | FXBB Street Bob 107 | Base |
| 2018-2019 | Harley-Davidson | FXBR Breakout 107 | Base |
| 2018-2020 | Harley-Davidson | FXBRS Breakout 114 | Base |
| 2018-2019 | Harley-Davidson | FXFB Fat Bob 107 | Base |
| 2018-2021 | Harley-Davidson | FXFBS Fat Bob 114 | Base |
| 2018-2020 | Harley-Davidson | FXLR Low Rider 107 | Base |
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