The AIRAID AIR-400-524 Throttle Body Spacer is engineered to boost your vehicle's off-idle torque, enhancing performance from 800 RPM to around 3,000 RPM. Its innovative Helix Bore design creates a swirling effect in the incoming air charge, which increases air velocity and improves the atomization of the air/fuel mixture as it enters the combustion chamber. This results in noticeable gains in part-throttle torque and mid-range power, making your driving experience more responsive and enjoyable.
This throttle body spacer is compatible with vehicles equipped with a returnless fuel system and is CARB exempt, making it a great choice for those looking to enhance performance while staying compliant with regulations.
The AIRAID AIR-400-524 is designed to fit a variety of applications, ensuring that you can easily integrate it into your vehicle's existing setup. Enjoy the benefits of improved torque and power without the hassle of extensive modifications.
Users have reported a noticeable improvement in throttle response and acceleration after installing the AIRAID Throttle Body Spacer. Many appreciate the easy installation process and the quality of the materials used. It's a popular upgrade for those looking to optimize their vehicle's performance without compromising on reliability.
This product is designed for vehicles with a returnless fuel system and is CARB EO exempt (D-609-3).
Note(s):
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Make Vehicle | Model | Year |
|---|---|---|
|
2000-2002 Ford Mustang |
Mustang | 2000-2002 |
|
1999, 2001, 2003-2004 Ford Mustang GT |
Mustang GT | 1999, 2001, 2003-2004 |

Airaid is an aftermarket company that manufactures air filters and air intake systems for various vehicles. Founded in 1997, their filters are designed to work in any kind of environment, may it be the sand dunes, mud bogs, snowy slopes, and other harsh terrains.
Their filters are not just used for offroading purposes but at the race track as well. You can see it being used by various drag cars and track cars too. Over the years, Airaid has established itself as a company that provides top quality products and has since become a leader in its market segment.
Engines Need to Breathe TooLike humans, your car engine needs to properly breathe as well. Imagine running with your nose clogged. Hard isn’t it? That goes the same for your engine.
A clogged air intake system would not just hinder the engine but might cause some unnecessary damage as well. Airaid aims to provide a better solution to these by creating products that would help restrict airflow.
Continuous Research for InnovationAiraid has always pushed itself to find better ways on how to improve an engine’s airflow. They have created products such as throttle body spacers that complements their high-performance air intake systems.
Their own air filters dubbed Synthaflow and Synthamax are proven to be more efficient against its competitors. The company is committed to providing the best product that they have created a special team known as the H-PAS Development Team. This team focuses on High-Performance Air Systems.
Purchase Airaid at Vivid RacingDon’t restrict your vehicle’s full potential and upgrade your vehicle’s air intake system with Airaid. Designed to perform, you know that you have a product that helps your vehicle’s performance. Visit Vivid Racing and check out the list suitable for your needs.
Click to view the Installation Instructions here