SKU: 57-1137S | UPC: 024844368485
K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System Silver
The K&N 57-1137S replaces the restrictive stock air cleaner on select 2001-2017 Harley-Davidson Softail Dyna and Touring models with Delphi fuel injection. This system delivers more airflow for added power throttle response and deeper engine sound through a high-flow washable air filter and cast aluminum intake tube. Installation takes 90 minutes or less with included hardware and throttle-body plate.
Key Features
- High-Flow Air Filter: Washable reusable K&N cotton filter lasts up to 100000 miles provides outstanding filtration and performance
- Cast Aluminum Intake Tube: High-performance design with integrated velocity stack improves airflow and throttle response
- Built-In Breathers: Eliminates external OE breathers for cleaner setup and aggressive styling
- Power Gains: Guaranteed horsepower increase from unrestricted airflow over stock airbox
- Easy Installation: Bolt-on design with die-cast aluminum mounting plate and hardware completes in under 90 minutes
Product Notes
- Enhances engine sound and appearance with silver finish
- Service filter every 100000 miles based on conditions
- Ships in protective packaging weight 4.3 lbs
Installation Notes
- Professional installation recommended.
- Requires basic hand tools no cutting or permanent modifications
- Compatible with stock throttle body and mounting points on Delphi EFI models
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2002-2006 | Harley-Davidson | FLHTCI | Electra Glide Classic Base |
| 2007 | Harley-Davidson | FLHTCU | Electra Glide Ultra Classic Base |
| 2002-2006 | Harley-Davidson | FLHTCUI | Electra Glide Ultra Classic Base |
| 2003-2006 | Harley-Davidson | FLHTI | Electra Glide Standard Base |
| 2002-2006 | Harley-Davidson | FLSTCI | Heritage Softail Classic Base |
| 2007-2015 | Harley-Davidson | FLSTF | Fat Boy Base |
| 2010-2015 | Harley-Davidson | FLSTFB | Fat Boy Lo Base |
| 2001-2006 | Harley-Davidson | FLSTFI | Fat Boy Base |
| 2002-2006 | Harley-Davidson | FLTRI | Road Glide Base |
| 2008-2009 | Harley-Davidson | FXCW | Rocker Base |
| 2008-2011 | Harley-Davidson | FXCWC | Rocker C Base |
| 2007-2010 | Harley-Davidson | FXD | Dyna Super Glide Base |
| 2007-2012 | Harley-Davidson | FXDB | Street Bob Base |
| 2004-2006 | Harley-Davidson | FXDI | Dyna Super Glide Base |
| 2006 | Harley-Davidson | FXDI35 | Dyna 35th Anniversary Super Glide Base |
| 2007-2009 | Harley-Davidson | FXDL | Dyna Low Rider Base |
| 2014-2017 | Harley-Davidson | FXDL | Dyna Low Rider Base |
| 2004-2006 | Harley-Davidson | FXDWGI | Dyna Wide Glide Base |
| 2004-2005 | Harley-Davidson | FXDXI | Dyna Super Glide Sport Base |
| 2011-2013 | Harley-Davidson | FXS | Blackline Base |
Why Choose K&N?
- Engineered specifically for Harley-Davidson Twin Cam engines
- High-flow cotton filter design proven for decades of use
- Precision cast aluminum components for durability and fit
Frequently Asked Questions
- Q: Will this fit my 2012 Harley Dyna Street Bob?
A: Yes the 57-1137S fits 2007-2012 FXDB Street Bob with Delphi EFI - Q: What material is the intake tube?
A: Cast aluminum with silver finish for heat resistance and style - Q: What warranty covers this air intake?
A: K&N offers No-Hassle Lifetime Warranty on the air filter million-mile warranty on system
Shipping & Handling
- Method: Ground shipping via UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure box dimensions 20 x 7 x 7 inches
- Weight: 4.3 lbs
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