Airaid 400-226 Cold Air Intake for 2008-2010 Ford F-250 / F-350 / F-150 4.6 L,

Vehicle Fitment

• 2008-2010 Ford F-250 Super Duty (5.4 L V8, 6.8 L V10)
• 2008-2010 Ford F-350 Super Duty (5.4 L V8, 6.8 L V10)
• 2009-2010 Ford F-150 (4.6 L V8, 5.4 L V8)

Features

• Cold Air Dam (CAD) panels to block hot engine-bay air
• Open-element premium air filter for high airflow
• Washable and reusable SynthaFlow red filter media
• High-density polyethylene air box for strength and heat resistance
• Seals under the hood with weather-stripping to isolate intake
• Connects to the factory intake tube - no cutting required
• Easy install with common hand tools
• Backed by Airaid's "No-Hassle" lifetime limited warranty
• CARB Executive Order certified (EO D-609-18) - 50-state legal

Specifications

• Part Number: 400-226
• Replacement Filter: 720-473
• Filter Material: Cotton gauze + non-woven synthetic
• Filter Color: Red
• Clamps: 4 x stainless steel worm-gear
• Couplers: 2 x silicone
• CARB EO Number: D-609-18
• Weight: ~7.3 lb
• Estimated Power Gain: +12 HP, +13 lb-ft torque (per dyno data) :contentReference[oaicite:0]{index=0}

Included Components

• 1x Airaid Air-Box (Cold Air Dam panels)
• 1x SynthaFlow red air filter
• 4x stainless steel clamps
• 2x silicone couplers
• Weather-stripping seal
• Mounting hardware & instructions

Product Description

The Airaid 400-226 Cold Air Intake System is designed to deliver cooler outside air to your engine, helping increase horsepower and torque. It uses Cold Air Dam panels to isolate the filter from hot under-hood air, ensuring a steady supply of fresh, dense charge air for better performance.

This system is compatible with 2008-2010 Ford F-250/F-350 Super Duty (5.4 L V8 and 6.8 L V10) and 2009-2010 F-150 (4.6 L and 5.4 L), connecting directly to the factory intake tube without any permanent modifications. The SynthaFlow red filter is washable and reusable, making maintenance easy and cost-efficient.

With a CARB Executive Order (D-609-18), it is street-legal in all 50 U.S. states. Installation is straightforward and backed by Airaid's lifetime limited warranty, giving you a reliable performance upgrade you can count on.