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AIRAID 300-577

AIRAID Throttle Body Spacer
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3.5 out of 5 stars 2 Customer Reviews
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List Price: $176.29
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$141.03 USD


The AIRAID 300-577 fits some Chrysler Aspen, Dodge Durango, Dodge Ram 1500 Pickup, Dodge Ram 2500 Pickup, and Dodge Ram 3500 Pickup models. See vehicle applications for details.
The POWERAID Throttle Body Spacer is designed to enhance off-idle torque from 800 rpm to approximately 3,000 rpm. The spacer utilizes it’s unique, patented Helix Bore design to spin the incoming air charge as it passes through the throttle body spacer. The spinning air action boosts the velocity of the incoming air and contributes to better atomization of the air/fuel mixture as the air charge enters the combustion chamber. The end result is more part-throttle torque and improved mid-range power.

[More Information on POWERAID Throttle Body Spacers]
  • Made from aircraft quality billet 6061-T6 aluminum
  • Improves low end torque and throttle response
  • Gaskets, hardware and precision brackets are included
  • Installs in less than 1 hour
  • No drilling or cutting required
  • Provides stronger mid-range power

Part 300-577 Product Specifications

CARB EO NumberD-609-3
FinishAnodized Red
Gaskets IncludedYes
Material UsedBillet Aluminum
Mounting Hardware IncludedYes
Product Box Height9.75 in (248 mm)
Product Box Length6 in (152 mm)
Product Box Width1.5 in (38 mm)
Product StyleAIRAID PowerAid
Street Legal In All US StatesYes
Thickness1 in (25 mm)
TUV Approved (Europe)No
Weight0.5 lb (0.2 kg)

Product Reviews

February 28, 2017 - Part 300-577
The part is outstanding, as it does give you noticeable low end tourqe. Easy to install. One factor to it though, it has a loud whistle at about 15 throttle pressure, that can get pretty annoying. But if you can live through that. It's a great prouduct.

December 22, 2016 - Part 300-577
Bought your spacer for my 2003 Dodge Ram 3500 5.7 hemi. It has 177500 mile on it. I was not sure how well it would work but the install is very easy and from the moment I pulled out of the drive way, I could feel the difference in its low end torque. I'm very happy with it and will be installing one on our other truck asap.

Robert Edwards
Wellington, Colorado
Review part 300-577