Seller notes

Enhance your vehicle's performance with the Airaid 400-590 PowerAid Throttle Body Spacer, designed specifically for the 1997-2003 Ford F-150 and 1997-2004 Expedition with a 4.6L engine. This innovative spacer utilizes a patented Helix Bore design, which effectively spins the incoming air charge as it passes through. By boosting the velocity of the air, it significantly improves atomization of the air/fuel mixture, resulting in better combustion and increased power. With the Airaid PowerAid Throt...

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