K&N 77-Series High Performance Air Intake System 77-2578KS
- Our Price: $309.99
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- Part Number: 77-2578KS
- Rating: (15)
77-Series High Performance Air Intake System
- Part #: 77-2578KS
- Dyno Chart
- Carb Exempt
- 50 State Street Legal
Select your vehicle details above to ensure item compatibility.
- The K&N 77 Series Performance Air Intake is guaranteed to provide more acceleration and horsepower
- Custom-engineered to your exact year, make, and model vehicle
- Replaces your OEM air box and filter
- K&N Filter is washable and reusable for the life of your vehicle
- Depending on your vehicle, the Aluminum intake tube is available in Polished or Gunmetal Grey finish
- Installs easily within 90 minutes, no drilling, cutting, or modifications required
- Works with your OEM computer systems
- Not CARB-Certified
- 10-Year, 1,000,000-Mile Warranty
Bolt a hand-crafted piece of aluminum art to your engine. K&N 77 Series Air Intakes enhance your vehicle's power and performance across the whole RPM range. They're custom-engineered to your exact vehicle and include one of K&N's legendary performance air filters for unmatched airflow.
Your K&N 77 Series Air Intake Kit is available in either Polished or Gunmetal Grey powder coat, depending on your vehicle. Most 77 Series kits include a heat shield that seals against the hood, isolating the intake from engine heat. This lets cooler air feed into your engine for higher oxygen density and increased power. The K&N Filtercharger cloth filter is washable and reusable for a lifetime of great flow and filtration.
K&N 77 Series Air Intake Kits include all the high-quality hardware in detailed instructions you need for an easy installation with simple hand tools - no drilling, no modifications necessary. Plus, it's backed by K&N's 10-Year / Million-Mile Warranty.
Note: Thanks to the Magnuson Moss Warranty Act: US Code - Title 15, Chapter 50, Sections 2301 - 2312, the factory warranty of your vehicle is protected by law, even after the addition of aftermarket parts.
K&N 77-2578KS fits:
- 2009-2012 Ford Flex
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