Gain a guaranteed increase in horsepower and torque with a K&N cold air intake system featuring a mandrel-bent aluminum intake tube. Each system is paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical filter design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield or air box helps protect intake air from the high temperature of the engine bay, and the entire system can typically be installed in less than 90 minutes. Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California. See the product specifications for CARB status on each part for a specific vehicle.
Specifications:
- Product type: Cold Air Intake
- Style: 77 Series Kits
- Media: Cotton Gauze
- Warranty: No-Hassle Lifetime Limited
- Part number: 77-2577KTK
Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California.
Vehicle Applications:
- 2010 Ford F250 Super Duty 5.4L V8
- 2010 Ford F350 Super Duty 5.4L V8
- 2009 Ford F250 Super Duty 5.4L V8
- 2009 Ford F350 Super Duty 5.4L V8
- 2008 Ford F250 Super Duty 5.4L V8
- 2008 Ford F350 Super Duty 5.4L V8
FAQ
What does the K&N 77-2577KTK fit?
It fits 2008-2010 Ford F250 & F350 5.4L V8. Check your exact year, make, model and engine against the vehicle application list before ordering.
Does the K&N 77-2577KTK add power?
K&N intakes are designed to reduce intake restriction and add usable power over the restrictive factory intake. See the product details for any stated gain.
Is this part emissions legal in California?
No. Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California.
What warranty does it carry?
It is backed by the K&N No-Hassle Lifetime Limited Warranty.

