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K&N High Performance Air Box Kit (2007-15 Focus) 57S-4000

K&N High Performance Air Box Kit (2007-15 Focus) 57S-4000

OUR PRICE

$171.99
Market Price $195.99 You save $24 (12%)

Part # K&N-57S-4000

K&N Filters 57S-4000

Ships Within 24 Hours

Availability: In stock


Description

Details

  • Increased Horsepower and Throttle Response
  • Air Filter Never Needs Replaced - Simply Wash and Re-Oil
  • Lid Features Smooth Underside for Better Airflow
  • Removable Plug for End of Airbox Increases "Intake Noise" When Off
  • Detailed Instructions and Hardware Included
  • For 2007 Model Year Fits 8/07 Production and Later Only
  • Bolt On Horsepower in Minutes
    This 2007-2015 Ford Focus K&N High Performance Air Box Kit is designed to increase power output by decreasing restriction. The included filter features a Million Mile Limited Warranty and are guaranteed to last. K&N air intake systems replace your vehicle's restrictive factory air filter and air box lid.

    Never Replace Your Air Filter Again
    K&N intakes are designed to dramatically reduce intake restriction as they smooth and straighten air flow. This translates into more power and torque for your vehicle. The filters on these kits are washable and reusable.

    Fits

  • 2012-2015 Ford C-Max
  • 2007-2015 Ford Focus (8/07 Production and Later Only
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