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Upgrade your Ford F-250 Super Duty with the K&N Engineering Part Number knn77-2577KTK cold air intake system, designed to boost horsepower and torque efficiently. Featuring a mandrel-bent aluminum intake tube, this system ensures smooth airflow for optimal engine performance. The included reusable high-flow air filter, with its oversized conical design, utilizes oiled cotton filter media that can last up to 100,000 miles under normal highway driving conditions, reducing the need for frequent replacements. The system also incorporates a custom heat shield or air box to protect intake air from high engine bay temperatures, ensuring consistent performance and engine longevity. Installation is straightforward and can typically be completed in less than 90 minutes, making it an accessible upgrade for most DIY enthusiasts. This intake system complies with EPA standards and is CARB certified (D-269-38), making it legal for use in California on pollution-controlled vehicles. Please verify vehicle compatibility and CARB status for your specific model before installation.
Features:
Fitment:
2007 Ford F-250 Super Duty King Ranch
2007 Ford F-250 Super Duty Lariat
2007 Ford F-250 Super Duty XL
2007 Ford F-250 Super Duty XLT
2007 Ford F-350 Super Duty King Ranch
2007 Ford F-350 Super Duty Lariat
2007 Ford F-350 Super Duty XL
2007 Ford F-350 Super Duty XLT
2008 Ford F-250 Super Duty FX4
2008 Ford F-250 Super Duty King Ranch
2008 Ford F-250 Super Duty Lariat
2008 Ford F-250 Super Duty XL
2008 Ford F-250 Super Duty XLT
2008 Ford F-350 Super Duty FX4
2008 Ford F-350 Super Duty King Ranch
2008 Ford F-350 Super Duty Lariat
2008 Ford F-350 Super Duty XL
2008 Ford F-350 Super Duty XLT
2009 Ford F-250 Super Duty Cabela's
2009 Ford F-250 Super Duty FX4
2009 Ford F-250 Super Duty King Ranch
2009 Ford F-250 Super Duty Lariat
2009 Ford F-250 Super Duty XL
2009 Ford F-250 Super Duty XLT
2009 Ford F-350 Super Duty Cabela's
2009 Ford F-350 Super Duty FX4
2009 Ford F-350 Super Duty King Ranch
2009 Ford F-350 Super Duty Lariat
2009 Ford F-350 Super Duty XL
2009 Ford F-350 Super Duty XLT
2010 Ford F-250 Super Duty Cabela's
2010 Ford F-250 Super Duty King Ranch
2010 Ford F-250 Super Duty Lariat
2010 Ford F-250 Super Duty XL
2010 Ford F-250 Super Duty XLT
2010 Ford F-350 Super Duty Cabela's
2010 Ford F-350 Super Duty King Ranch
2010 Ford F-350 Super Duty Lariat
2010 Ford F-350 Super Duty XL
2010 Ford F-350 Super Duty XLT
Order Processing
All orders are processed and shipped within 24 hours of purchase (excluding weekends and holidays).
Orders placed after 3:00 PM EST may ship the following business day.
Shipping Methods
Customers select their preferred shipping method and speed at checkout.
Shipping times are determined by the carrier and cannot be guaranteed by us.
Tracking information will be provided once your order has shipped.
Shipping Coverage
If your package arrives damaged, please notify the delivery driver immediately and contact the shipping carrier to file a claim.
You must report any missing or damaged items within 14 days of delivery.
After this time, we cannot be held responsible for lost or damaged items.
Return Window
You have 30 days from the date of delivery to request a return.
After 30 days, we are unable to accept returns, exchanges, or refund requests.
Eligibility
Items must be returned in their original condition—unused, unwashed, and with all tags and packaging intact.
Certain products may not be eligible for return (e.g., special-order items, customized products, or perishable goods).
Items that have been altered, installed, or modified cannot be returned.
Return Process
Contact our Customer Support team to request a Return Authorization (RMA) before sending items back.
Once your return is approved, you’ll receive instructions on where to send the product.
Customers are responsible for return shipping costs unless the item was defective or incorrect.
Refunds
Refunds are issued to the original payment method once the returned item has been received and inspected.
Please allow 5–10 business days for the refund to appear on your account.
In some cases, a restocking fee may apply (if applicable, this will be disclosed during your return authorization).
