Air and Fuel Intake Manifolds and Components

Airaid

Airaid 99-01 Ford Mustang 3.8L PowerAid TB Spacer

$174.32

SKU: A00A 400-594

In Stock
In Stock
Ships by Jun 13
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The AIRAID Throttle Body Spacer is a 4-barrel open spacer designed to enhance mid-range torque and throttle response. It utilizes a patented Helix Bore design to spin intake air, boosting its velocity and improving atomization of the air/fuel mixture. This results in more part-throttle torque and improved mid-range power, particularly from 800 to 3,000 rpm.

Constructed from aircraft-quality billet 6061-T6 aluminum with a red anodized finish, this spacer includes all necessary gaskets, hardware, and brackets for installation.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandAiraid
Part NumberA00A 400-594

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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