K&N Cold Air Intakes for the Harley Davidson FLSTF Fat Boy

Harley Davidson FLSTF Fat Boy Powersports Cold Air Intakes

Buy now from the K&N Store and get a 100% money back guarantee on any cold air intake!
  • Designed to increase power and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance
Add more horsepower to your Harley Davidson FLSTF Fat Boy with a K&N cold air intake.
K&N Powersports Cold Air Intake System
Vehicle DescriptionPart Number Product Image
2014 Harley Davidson FLSTF Fat Boy 103 CI - O-Ring Kit for SS-171
Motorcycle
2014 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2014 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2014 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3932

Est. Power Gain
7.16 HP @ 5206 RPM
Get Pricing and Buy RK-3932 FLSTF Fat Boy Custom Assembly
2014 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2014 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3933

Est. Power Gain
7 HP @ 5204 RPM
Get Pricing and Buy RK-3933 FLSTF Fat Boy Custom Assembly
2014 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2014 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3934

Est. Power Gain
10.23 HP @ 5155 RPM
Get Pricing and Buy RK-3934 FLSTF Fat Boy Custom Assembly
2014 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2014 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3935

Est. Power Gain
11.57 HP @ 5203 RPM
Get Pricing and Buy RK-3935 FLSTF Fat Boy Custom Assembly
2014 Harley Davidson FLSTF Fat Boy 103 CI - Exc. lower fairings
Motorcycle
2014 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
63-1125

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125 FLSTF Fat Boy Aircharger Cold Air Intake
2014 Harley Davidson FLSTF Fat Boy 103 CI - Exc. lower fairings
Motorcycle
2014 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
63-1125P

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125P FLSTF Fat Boy Aircharger Cold Air Intake
2013 Harley Davidson FLSTF Fat Boy 103 CI - O-Ring Kit for SS-171
Motorcycle
2013 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2013 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2013 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3932

Est. Power Gain
7.16 HP @ 5206 RPM
Get Pricing and Buy RK-3932 FLSTF Fat Boy Custom Assembly
2013 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2013 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3933

Est. Power Gain
7 HP @ 5204 RPM
Get Pricing and Buy RK-3933 FLSTF Fat Boy Custom Assembly
2013 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2013 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3934

Est. Power Gain
10.23 HP @ 5155 RPM
Get Pricing and Buy RK-3934 FLSTF Fat Boy Custom Assembly
2013 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2013 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3935

Est. Power Gain
11.57 HP @ 5203 RPM
Get Pricing and Buy RK-3935 FLSTF Fat Boy Custom Assembly
2013 Harley Davidson FLSTF Fat Boy 103 CI - Exc. lower fairings
Motorcycle
2013 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
63-1125

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125 FLSTF Fat Boy Aircharger Cold Air Intake
2013 Harley Davidson FLSTF Fat Boy 103 CI - Exc. lower fairings
Motorcycle
2013 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
63-1125P

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125P FLSTF Fat Boy Aircharger Cold Air Intake
2012 Harley Davidson FLSTF Fat Boy 103 CI - O-Ring Kit for SS-171
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2012 Harley Davidson FLSTF Fat Boy 103 CI - 1-5/8 inch tall filter
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2012 Harley Davidson FLSTF Fat Boy 103 CI - 2-1/4 in tall filter
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2012 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3932

Est. Power Gain
7.16 HP @ 5206 RPM
Get Pricing and Buy RK-3932 FLSTF Fat Boy Custom Assembly
2012 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3933

Est. Power Gain
7 HP @ 5204 RPM
Get Pricing and Buy RK-3933 FLSTF Fat Boy Custom Assembly
2012 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3934

Est. Power Gain
10.23 HP @ 5155 RPM
Get Pricing and Buy RK-3934 FLSTF Fat Boy Custom Assembly
2012 Harley Davidson FLSTF Fat Boy 103 CI - All
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
RK-3935

Est. Power Gain
11.57 HP @ 5203 RPM
Get Pricing and Buy RK-3935 FLSTF Fat Boy Custom Assembly
2012 Harley Davidson FLSTF Fat Boy 103 CI - Exc. lower fairings
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
63-1125

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125 FLSTF Fat Boy Aircharger Cold Air Intake
2012 Harley Davidson FLSTF Fat Boy 103 CI - Exc. lower fairings
Motorcycle
2012 Harley Davidson FLSTF Fat Boy 103 CI Cold Air Intake
63-1125P

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125P FLSTF Fat Boy Aircharger Cold Air Intake
2011 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2011 Harley Davidson FLSTF Fat Boy 96 CI - 1-5/8 inch tall filter
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2011 Harley Davidson FLSTF Fat Boy 96 CI - 2-1/4 in tall filter
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2011 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3932

Est. Power Gain
7.16 HP @ 5206 RPM
Get Pricing and Buy RK-3932 FLSTF Fat Boy Custom Assembly
2011 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3933

Est. Power Gain
7 HP @ 5204 RPM
Get Pricing and Buy RK-3933 FLSTF Fat Boy Custom Assembly
2011 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3934

Est. Power Gain
10.23 HP @ 5155 RPM
Get Pricing and Buy RK-3934 FLSTF Fat Boy Custom Assembly
2011 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3935

Est. Power Gain
11.57 HP @ 5203 RPM
Get Pricing and Buy RK-3935 FLSTF Fat Boy Custom Assembly
2011 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125 FLSTF Fat Boy Aircharger Cold Air Intake
2011 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2011 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125P

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125P FLSTF Fat Boy Aircharger Cold Air Intake
2010 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2010 Harley Davidson FLSTF Fat Boy 96 CI - 1-5/8 inch tall filter
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3909-1

Est. Power Gain
9.59 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2010 Harley Davidson FLSTF Fat Boy 96 CI - 2-1/4 in tall filter
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2010 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3932

Est. Power Gain
7.16 HP @ 5206 RPM
Get Pricing and Buy RK-3932 FLSTF Fat Boy Custom Assembly
2010 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3933

Est. Power Gain
7 HP @ 5204 RPM
Get Pricing and Buy RK-3933 FLSTF Fat Boy Custom Assembly
2010 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3934

Est. Power Gain
10.23 HP @ 5155 RPM
Get Pricing and Buy RK-3934 FLSTF Fat Boy Custom Assembly
2010 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3935

Est. Power Gain
11.57 HP @ 5203 RPM
Get Pricing and Buy RK-3935 FLSTF Fat Boy Custom Assembly
2010 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125 FLSTF Fat Boy Aircharger Cold Air Intake
2010 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2010 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125P

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125P FLSTF Fat Boy Aircharger Cold Air Intake
2009 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2009 Harley Davidson FLSTF Fat Boy 96 CI - 1-5/8 inch tall filter
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2009 Harley Davidson FLSTF Fat Boy 96 CI - 2-1/4 in tall filter
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2009 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3932

Est. Power Gain
7.16 HP @ 5206 RPM
Get Pricing and Buy RK-3932 FLSTF Fat Boy Custom Assembly
2009 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3933

Est. Power Gain
7 HP @ 5204 RPM
Get Pricing and Buy RK-3933 FLSTF Fat Boy Custom Assembly
2009 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3934

Est. Power Gain
10.23 HP @ 5155 RPM
Get Pricing and Buy RK-3934 FLSTF Fat Boy Custom Assembly
2009 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3935

Est. Power Gain
11.57 HP @ 5203 RPM
Get Pricing and Buy RK-3935 FLSTF Fat Boy Custom Assembly
2009 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125 FLSTF Fat Boy Aircharger Cold Air Intake
2009 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2009 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125P

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125P FLSTF Fat Boy Aircharger Cold Air Intake
2008 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2008 Harley Davidson FLSTF Fat Boy 96 CI - 1-5/8 inch tall filter
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2008 Harley Davidson FLSTF Fat Boy 96 CI - 2-1/4 in tall filter
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2008 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3932

Est. Power Gain
7.16 HP @ 5206 RPM
Get Pricing and Buy RK-3932 FLSTF Fat Boy Custom Assembly
2008 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3933

Est. Power Gain
7 HP @ 5204 RPM
Get Pricing and Buy RK-3933 FLSTF Fat Boy Custom Assembly
2008 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3934

Est. Power Gain
10.23 HP @ 5155 RPM
Get Pricing and Buy RK-3934 FLSTF Fat Boy Custom Assembly
2008 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3935

Est. Power Gain
11.57 HP @ 5203 RPM
Get Pricing and Buy RK-3935 FLSTF Fat Boy Custom Assembly
2008 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125 FLSTF Fat Boy Aircharger Cold Air Intake
2008 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2008 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125P

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125P FLSTF Fat Boy Aircharger Cold Air Intake
2007 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2007 Harley Davidson FLSTF Fat Boy 96 CI - 1-5/8 inch tall filter
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2007 Harley Davidson FLSTF Fat Boy 96 CI - 2-1/4 in tall filter
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2007 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3932

Est. Power Gain
7.16 HP @ 5206 RPM
Get Pricing and Buy RK-3932 FLSTF Fat Boy Custom Assembly
2007 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3933

Est. Power Gain
7 HP @ 5204 RPM
Get Pricing and Buy RK-3933 FLSTF Fat Boy Custom Assembly
2007 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3934

Est. Power Gain
10.23 HP @ 5155 RPM
Get Pricing and Buy RK-3934 FLSTF Fat Boy Custom Assembly
2007 Harley Davidson FLSTF Fat Boy 96 CI - All
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
RK-3935

Est. Power Gain
11.57 HP @ 5203 RPM
Get Pricing and Buy RK-3935 FLSTF Fat Boy Custom Assembly
2007 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125 FLSTF Fat Boy Aircharger Cold Air Intake
2007 Harley Davidson FLSTF Fat Boy 96 CI - Exc. lower fairings
Motorcycle
2007 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
63-1125P

Est. Power Gain
7.78 HP @ 4953 RPM
Get Pricing and Buy 63-1125P FLSTF Fat Boy Aircharger Cold Air Intake
2006 Harley Davidson FLSTF Fat Boy 88 CI - O-Ring Kit for SS-171
Motorcycle
2006 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2006 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2006 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2006 Harley Davidson FLSTF Fat Boy 88 CI - 1-5/8 inch tall filter
Motorcycle
2006 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2006 Harley Davidson FLSTF Fat Boy 88 CI - 2-1/4 in tall filter
Motorcycle
2006 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2005 Harley Davidson FLSTF Fat Boy 88 CI - O-Ring Kit for SS-171
Motorcycle
2005 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2005 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2005 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2005 Harley Davidson FLSTF Fat Boy 88 CI - 1-5/8 inch tall filter
Motorcycle
2005 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2005 Harley Davidson FLSTF Fat Boy 88 CI - 2-1/4 in tall filter
Motorcycle
2005 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2004 Harley Davidson FLSTF Fat Boy 88 CI - O-Ring Kit for SS-171
Motorcycle
2004 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2004 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2004 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2004 Harley Davidson FLSTF Fat Boy 88 CI - 1-5/8 inch tall filter
Motorcycle
2004 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2004 Harley Davidson FLSTF Fat Boy 88 CI - 2-1/4 in tall filter
Motorcycle
2004 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2003 Harley Davidson FLSTF Fat Boy 88 CI - O-Ring Kit for SS-171
Motorcycle
2003 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2003 Harley Davidson FLSTF Fat Boy 96 CI - O-Ring Kit for SS-171
Motorcycle
2003 Harley Davidson FLSTF Fat Boy 96 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2003 Harley Davidson FLSTF Fat Boy 88 CI - 1-5/8 inch tall filter
Motorcycle
2003 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2003 Harley Davidson FLSTF Fat Boy 88 CI - 2-1/4 in tall filter
Motorcycle
2003 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2002 Harley Davidson FLSTF Fat Boy 88 CI - O-Ring Kit for SS-171
Motorcycle
2002 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2002 Harley Davidson FLSTF Fat Boy 88 CI - 1-5/8 inch tall filter
Motorcycle
2002 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2002 Harley Davidson FLSTF Fat Boy 88 CI - 2-1/4 in tall filter
Motorcycle
2002 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2001 Harley Davidson FLSTF Fat Boy 88 CI - O-Ring Kit for SS-171
Motorcycle
2001 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2001 Harley Davidson FLSTF Fat Boy 88 CI - 1-5/8 inch tall filter
Motorcycle
2001 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2001 Harley Davidson FLSTF Fat Boy 88 CI - 2-1/4 in tall filter
Motorcycle
2001 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
2000 Harley Davidson FLSTF Fat Boy 88 CI - O-Ring Kit for SS-171
Motorcycle
2000 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
2000 Harley Davidson FLSTF Fat Boy 88 CI - 1-5/8 inch tall filter
Motorcycle
2000 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3909-1

Est. Power Gain
6.05 HP @ 5206 RPM
Get Pricing and Buy RK-3909-1 FLSTF Fat Boy Custom Assembly
2000 Harley Davidson FLSTF Fat Boy 88 CI - 2-1/4 in tall filter
Motorcycle
2000 Harley Davidson FLSTF Fat Boy 88 CI Cold Air Intake
RK-3910-1

Est. Power Gain
10.76 HP @ 5206 RPM
Get Pricing and Buy RK-3910-1 FLSTF Fat Boy Custom Assembly
1999 Harley Davidson FLSTF Fat Boy 82 CI - O-Ring Kit for SS-171
Motorcycle
1999 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
1998 Harley Davidson FLSTF Fat Boy 82 CI - O-Ring Kit for SS-171
Motorcycle
1998 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
1997 Harley Davidson FLSTF Fat Boy 82 CI - Round Mirrored
Motorcycle
1997 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3901 Get Pricing and Buy RK-3901 FLSTF Fat Boy Custom Assembly
1997 Harley Davidson FLSTF Fat Boy 82 CI - Tear Mirrored
Motorcycle
1997 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3902 Get Pricing and Buy RK-3902 FLSTF Fat Boy Custom Assembly
1997 Harley Davidson FLSTF Fat Boy 82 CI - Round Ball Grooved
Motorcycle
1997 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3911 Get Pricing and Buy RK-3911 FLSTF Fat Boy Custom Assembly
1997 Harley Davidson FLSTF Fat Boy 82 CI - Tear Ball Grooved
Motorcycle
1997 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3912 Get Pricing and Buy RK-3912 FLSTF Fat Boy Custom Assembly
1997 Harley Davidson FLSTF Fat Boy 82 CI - Round Flamed
Motorcycle
1997 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3921 Get Pricing and Buy RK-3921 FLSTF Fat Boy Custom Assembly
1997 Harley Davidson FLSTF Fat Boy 82 CI - Tear Flamed
Motorcycle
1997 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3922 Get Pricing and Buy RK-3922 FLSTF Fat Boy Custom Assembly
1996 Harley Davidson FLSTF Fat Boy 82 CI - Round Mirrored
Motorcycle
1996 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3901 Get Pricing and Buy RK-3901 FLSTF Fat Boy Custom Assembly
1996 Harley Davidson FLSTF Fat Boy 82 CI - Tear Mirrored
Motorcycle
1996 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3902 Get Pricing and Buy RK-3902 FLSTF Fat Boy Custom Assembly
1996 Harley Davidson FLSTF Fat Boy 82 CI - Round Ball Grooved
Motorcycle
1996 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3911 Get Pricing and Buy RK-3911 FLSTF Fat Boy Custom Assembly
1996 Harley Davidson FLSTF Fat Boy 82 CI - Tear Ball Grooved
Motorcycle
1996 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3912 Get Pricing and Buy RK-3912 FLSTF Fat Boy Custom Assembly
1996 Harley Davidson FLSTF Fat Boy 82 CI - Round Flamed
Motorcycle
1996 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3921 Get Pricing and Buy RK-3921 FLSTF Fat Boy Custom Assembly
1996 Harley Davidson FLSTF Fat Boy 82 CI - Tear Flamed
Motorcycle
1996 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3922 Get Pricing and Buy RK-3922 FLSTF Fat Boy Custom Assembly
1995 Harley Davidson FLSTF Fat Boy 82 CI - Round Mirrored
Motorcycle
1995 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3901 Get Pricing and Buy RK-3901 FLSTF Fat Boy Custom Assembly
1995 Harley Davidson FLSTF Fat Boy 82 CI - Tear Mirrored
Motorcycle
1995 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3902 Get Pricing and Buy RK-3902 FLSTF Fat Boy Custom Assembly
1995 Harley Davidson FLSTF Fat Boy 82 CI - Round Ball Grooved
Motorcycle
1995 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3911 Get Pricing and Buy RK-3911 FLSTF Fat Boy Custom Assembly
1995 Harley Davidson FLSTF Fat Boy 82 CI - Tear Ball Grooved
Motorcycle
1995 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3912 Get Pricing and Buy RK-3912 FLSTF Fat Boy Custom Assembly
1995 Harley Davidson FLSTF Fat Boy 82 CI - Round Flamed
Motorcycle
1995 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3921 Get Pricing and Buy RK-3921 FLSTF Fat Boy Custom Assembly
1995 Harley Davidson FLSTF Fat Boy 82 CI - Tear Flamed
Motorcycle
1995 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3922 Get Pricing and Buy RK-3922 FLSTF Fat Boy Custom Assembly
1994 Harley Davidson FLSTF Fat Boy 82 CI - Round Mirrored
Motorcycle
1994 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3901 Get Pricing and Buy RK-3901 FLSTF Fat Boy Custom Assembly
1994 Harley Davidson FLSTF Fat Boy 82 CI - Tear Mirrored
Motorcycle
1994 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3902 Get Pricing and Buy RK-3902 FLSTF Fat Boy Custom Assembly
1994 Harley Davidson FLSTF Fat Boy 82 CI - Round Ball Grooved
Motorcycle
1994 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3911 Get Pricing and Buy RK-3911 FLSTF Fat Boy Custom Assembly
1994 Harley Davidson FLSTF Fat Boy 82 CI - Tear Ball Grooved
Motorcycle
1994 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3912 Get Pricing and Buy RK-3912 FLSTF Fat Boy Custom Assembly
1994 Harley Davidson FLSTF Fat Boy 82 CI - Round Flamed
Motorcycle
1994 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3921 Get Pricing and Buy RK-3921 FLSTF Fat Boy Custom Assembly
1994 Harley Davidson FLSTF Fat Boy 82 CI - Tear Flamed
Motorcycle
1994 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3922 Get Pricing and Buy RK-3922 FLSTF Fat Boy Custom Assembly
1993 Harley Davidson FLSTF Fat Boy 82 CI - Round Mirrored
Motorcycle
1993 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3901 Get Pricing and Buy RK-3901 FLSTF Fat Boy Custom Assembly
1993 Harley Davidson FLSTF Fat Boy 82 CI - Tear Mirrored
Motorcycle
1993 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3902 Get Pricing and Buy RK-3902 FLSTF Fat Boy Custom Assembly
1993 Harley Davidson FLSTF Fat Boy 82 CI - Round Ball Grooved
Motorcycle
1993 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3911 Get Pricing and Buy RK-3911 FLSTF Fat Boy Custom Assembly
1993 Harley Davidson FLSTF Fat Boy 82 CI - Tear Ball Grooved
Motorcycle
1993 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3912 Get Pricing and Buy RK-3912 FLSTF Fat Boy Custom Assembly
1993 Harley Davidson FLSTF Fat Boy 82 CI - Round Flamed
Motorcycle
1993 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3921 Get Pricing and Buy RK-3921 FLSTF Fat Boy Custom Assembly
1993 Harley Davidson FLSTF Fat Boy 82 CI - Tear Flamed
Motorcycle
1993 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3922 Get Pricing and Buy RK-3922 FLSTF Fat Boy Custom Assembly
1992 Harley Davidson FLSTF Fat Boy 82 CI - Round Mirrored
Motorcycle
1992 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3901 Get Pricing and Buy RK-3901 FLSTF Fat Boy Custom Assembly
1992 Harley Davidson FLSTF Fat Boy 82 CI - Tear Mirrored
Motorcycle
1992 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3902 Get Pricing and Buy RK-3902 FLSTF Fat Boy Custom Assembly
1992 Harley Davidson FLSTF Fat Boy 82 CI - Round Ball Grooved
Motorcycle
1992 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3911 Get Pricing and Buy RK-3911 FLSTF Fat Boy Custom Assembly
1992 Harley Davidson FLSTF Fat Boy 82 CI - Tear Ball Grooved
Motorcycle
1992 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3912 Get Pricing and Buy RK-3912 FLSTF Fat Boy Custom Assembly
1992 Harley Davidson FLSTF Fat Boy 82 CI - Round Flamed
Motorcycle
1992 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3921 Get Pricing and Buy RK-3921 FLSTF Fat Boy Custom Assembly
1992 Harley Davidson FLSTF Fat Boy 82 CI - Tear Flamed
Motorcycle
1992 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
RK-3922 Get Pricing and Buy RK-3922 FLSTF Fat Boy Custom Assembly
1991 Harley Davidson FLSTF Fat Boy 82 CI - O-Ring Kit for SS-171
Motorcycle
1991 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
1990 Harley Davidson FLSTF Fat Boy 82 CI - O-Ring Kit for SS-171
Motorcycle
1990 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory
1989 Harley Davidson FLSTF Fat Boy 82 CI - O-Ring Kit for SS-171
Motorcycle
1989 Harley Davidson FLSTF Fat Boy 82 CI Cold Air Intake
SS-002 Get Pricing and Buy SS-002 FLSTF Fat Boy Accessory

K&N replacement air filters can help your car or truck run better.