Ford - Flex 2009-2010 3.5L V6 K&N Air Intake Kit
2009-2010 Flex 3.5L V6-K&N Air Intake Kit
  - K/N-77-2578KS
Key Features 77-2578KS

• Estimated Horsepower Gain: 9.19 HP @ 4914 RPM
• Replacement Filter: RF-1048
• Color: Silver
Click to View
• Dyno Results
• Install Instructions
• Large Photo
Price: $375.04 Sale Price: $241.90     

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