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AIRAID 400-338

AIRAID Intake Kit
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4.0 out of 5 stars 1 Customer Review
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List Price: $509.99
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$407.99 USD


The AIRAID MXP Air Intake System represents the ultimate in AIRAID’s cold air induction systems and delivers higher levels of horsepower and acceleration gains for high-performance gas and diesel vehicles. Some AIRAID MXP Air Intakes start with a replacement one-piece roto-molded air box that addresses the shortcomings of the restrictive factory design. Housed inside the air box is an AIRAID premium air filter for outstanding air flow and filtration. Air is directed through a new air intake tube constructed of cross-linked, high-density polyethylene that is designed using extensive computer modeling to maintain proper mass air flow readings and calibration. Many MXP Air Intake Systems have a built-in velocity stack, which further promotes airflow. What this all means is that you get a simple-to-install, yet extremely sophisticated system to increase air flow while maintaining proper air-to-fuel ratios, thereby eliminating the need for recalibration after installation. Just bolt it on and go! Some AIRAID air intakes are not legal for sale or use in California and other states adopting California emission standards, while others are 50 state legal. View the product's vehicle applications to determine the legal status for each vehicle.

[More Information on AIRAID MXP Air Intake Systems]
  • Superior horsepower and acceleration gains
  • Replaces stock intake tubing, air filter and air box (where applicable)
  • Easy to install using commonly available tools
  • High airflow premium air filter
  • Washable and reusable air filter media
  • No Hassle Lifetime Warranty

Part 400-338 Product Specifications

Estimated Horsepower Gain24 HP @ 5200 RPM
Air Filter ColorRed
Air Filter MaterialCotton Gauze & Non-woven Synthetic
Air Filter Outlet ShapeOval
CARB EO NumberD-609-17
Clamp MaterialStainless Steel
Clamp StyleWorm Gear
Clamps Included7
Intake Pipe Color / FinishBlack
Intake Pipe MaterialHigh-Density Polyethylene
Package Contents1 Inline Airbox, 1 Air Filter, 1 Intake Tube
Package Quantity1
Product Box Height15.6 in (396 mm)
Product Box Length19.9 in (505 mm)
Product Box Width15.6 in (396 mm)
Product StyleAIRAID Intake Kit
Replacement Filter720-243
Street Legal In All US StatesYes
TUV Approved (Europe)No
Weight14.2 lb (6.4 kg)

Horsepower gains based on similar vehicle dynamometer test. Results will vary.

Product Reviews

August 11, 2016 - Part 400-338
First off, the kit is a little pricey. After exchange I paid almost $700 CAD. The shipping was fast. Two business days from California to Norhern Alberta. The kit took less than an hour to install. Easy, simple to follow instructions. Noticed the HP gain immediately and also seemed to have better throttle response. For this kit, the cost kinda outweighs the benefit though. Really well made product.

Fort McMurray, Canada
Review part 400-338