10 Best Throttle Body Spacer of September 2025

List of Top Rated Throttle Body Spacer from thousands of customer reviews & feedback.

Updated On Sep 2025

754 Reviews Studied

By Customer Ratings

1
Image
200-617 PowerAid Throttle Body Spacer replace for Airaid for 2007-2013 Chevrado Silverado1500 Tahoe/Avalanche 2007-2014... Read Review

  • Improves Low End Torque And Throttle Response,Provides Stronger Mid-Range Power
  • easy install ,Installs In Less Than 1 Hour
  • No Drilling Or Cutting Required
  • Maximize Fuel Efficiency

2
Image
Airaid 300-637 PowerAid Throttle Body Spacer Read Review

  • PowerAid; Throttle Body Spacer
  • PowerAid; Throttle Body Spacer; Easy To Install w/Basic Hand Tools;
  • Improves Low End Torque And Throttle Response
  • Maximize Fuel Efficiency
  • Made in the USA

3
Image
Volant 725153 Throttle Body Spacer Read Review

  • 1999-2007 Silverado Sierra 1500 2500 3500 4.8L 5.3L 6.0L
  • 2001-2006 Avalanche 5.3L Escalade 6.0L
  • 2003-2006 Silverado SS 6.0L
  • 1999-2007 Classic ONLY

4
Image
aFe Power Silver Bullet 46-32007 Dodge Throttle Body Spacer Read Review

  • In-house dyno testing resulted in max gains up to +12 HP and +14 lbs. x ft. of torque
  • Precision machined from 6061-T6 billet aluminum
  • Serrated/Helix Combination Design for optimum airflow into the combustion chamber
  • Slight modification required to work with aftermarket intake systems
  • This product is 50-state legal (CARB E.O Number D-550-11)

5
Image
aFe Power Silver Bullet 46-34008 GM Throttle Body Spacer Read Review

  • In-house dyno testing resulted in max gains up to +8 HP and +12 lbs. x ft. of torque
  • Precision machined from 6061-T6 billet aluminum
  • Serrated/Helix Combination Design for optimum airflow into the combustion chamber
  • Includes all hardware
  • This product is 50-state legal (CARB E.O Number D-550-11)

6
Image
Airaid 300-577 PowerAid Throttle Body Spacer Read Review

  • Installs in minutes with simple hand tools
  • Comes with all required hardware for a clean installation
  • Improves low-end torque and throttle response
  • Backed by a "no hassle" lifetime warranty

7
Image
Airaid 200-617 PowerAid Throttle Body Spacer Read Review

  • Fuel Injection
  • Fit type: Fits 07-13 GM/GMC Silverado 1500 Sierra Tahoe Dena
  • Package Dimensions: 3.81 H x 25.4 L x 14.22 W (centimetres)
  • Package Weight: 1.1 pounds

8
Image
Rough Country Throttle Body Spacer (fits) 87-06 Jeep Wrangler TJ YJ | 84-01 Cherokee XJ | 86-92 Comanche | 4/6CYL | 1068 Read Review

  • Improved torque performance.
  • Increased fuel economy.
  • Spiraling Helix design
  • Durable Anodized Aluminum.
  • Backed by Rough Country's Lifetime Replacement

9
Image
Trans-Dapt 2518 Torque-Curve MPFI Spacer Read Review

  • Designed for increased air intake volume, velocity
  • Increased performance
  • Features increased fuel efficiency
  • Quicker fuel response
  • Easy to install

10
Image
aFe Power Silver Bullet 46-32005 Dodge Throttle Body Spacer Read Review

  • Precision machined from 6061-T6 billet aluminum
  • Serrated/Helix Combination Design for optimum airflow into the combustion chamber
  • Eliminates annoying whistle found in helix only throttle body spacers
  • Includes all hardware
  • This product is 50-state legal (CARB E.O Number D-550-11)

Best Throttle Body Spacer Reviews & Buying Guide Of 2021

People wonder why the car makes a loud sound or has a reduced mileage over time, or is it not at the best possible power like it was before? There could be specific reasons for that, but the most evident ones are related to the vehicle's engine. High-end vehicles like ford, mustang and so on face engine issues quite frequently after a certain period, and a prevalent way to fix such engine issues is to install a good quality Throttle Body Spacer. The Throttle Body Spacers are small tools or customized pieces of metals used to change the engine's airflow and direct it towards the intake manifold. The mechanism here focuses on improving the fuel economy, horsepower and torque. One needs to use these in conjunction with the fuel injection system for maximum output. When the driver accelerates the vehicle, the throttle opens, and an improved airflow flows through the intake system, which releases the engine of pressure and tension. It enables the engine to get an adequate amount of air in the combustion chamber, which burns the fuel to power the vehicle. And in case the vehicle consists of a carburetor, then these Throttle Body Spacers can massively improve the vacuum reasons in the engine and aid in better output yet again. In this buying guide, some features and certain factors of the Throttle Body Spacer to consider are listed below.

Factors to consider before buying a Throttle Body Spacer are:

  • Outer Material

The best quality brands in these Throttle Body Spacers have an anodized aluminium outer build which is super durable and has a robust construction.

  • Inlet Diameter

The inlet diameter is about 70mm or more, which is easy to place in different throttle bodies with ease.

  • Compatibility

The best brands in these Throttle Body Spacers are compatible with most of the multiple bolt throttle bodies for easy installation and removal whenever required by the user.

  • Spacer Plate

Throttle Body Spacers consist of specialized spacer plates which work well with the wheel spacers. It aids in seamless gearing in the throttle body.

  • Design

The design plays a significant role in the airflow of the throttle body. The best brands in these Throttle Body Spacers feature a dyno-proven helix borne design that offers efficient air passing. It helps in the rapid high-velocity air intake for a balanced and optimized combustion air mixture suitable for different gears and systems. It also creates a high amount of turbulence for enhanced fuel burn for better mileage.

  • Noise

Constant circulations of air within the throttle body and the car engine's cooling fluid are significant reasons for a whistling noise within the throttle bodies. Thus, these Throttle Body Spacers have serrated entry in the throttle body, which reduces wind noise. The noise levels are pretty low here. It might just sound like a small turbo which is easily bearable by people. This specialized entry is appropriate for an appropriate pressure application within the vehicle exhaust system.

  • Horsepower

Most of these Throttle Body Spacers can amplify the horsepower up to 8 hp or even remove, enhancing the vehicle's overall productivity. This also helps in better combustion of the fuel and yet again offers a greater mileage.

  • Rise

The Throttle Body Spacer raises the throttle body for about 1" or even more from the intake manifold or header gaskets. This enhances the airflow and results in increased torque and horsepower in the long run.

  • Mileage Boost

These Throttle Body Spacers boost the overall mileage up to 4MPG or even more and improve the car's output for the user.

  • Torque

The average torque offered by utilizing the Throttle Body Spacer is approximately 800RPM to 3000RPM or even more, which is excellent for spinning the throttle body's airflow. It is mostly focused on the low-end throttle response, which is primarily responsible for the engine's efficiency.

  • Installation

The installation procedure is pretty simple. One can easily attach these bolt-on Throttle Body Spacers within an hour or less without any external help. No external drilling or cutting is required with these Throttle Body Spacers.

  • Atomization

These Throttle Body Spacers help enhance atomization, too, due to the seamless airflow within the system. It thereby aids in ample combustion of the fuel as well.

  • Tuning

These Throttle Body Spacers have an automatic tuner that automatically does the little tuning within the throttle body. No manual efforts are required for the tuning process of these Throttle Body Spacers.

  • Cold Air

These Throttle Body Spacers work fine even with cold air intakes in certain vehicles like the mustang and so on. It will eventually add an inch to the intake track length of the vehicle.

  • Price

One can attach their first Throttle Body Spacer within the vehicle at very minimal costs. The best brands in these Throttle Body Spacers come within $80 to $300 only!

  • Warranty

Reduced horsepower, inefficient airflow, or loud noise even after installing the Throttle Body Spacer is never common. But in such unwanted conditions, one should not panic and claim the warranty policy instead. The best brands usually offer a warranty period of one year to even a lifetime with these Throttle Body Spacers.

Final Thoughts

This Throttle Body Spacer gives the engine a sense of relief from such exhaustive tasks during the driving process and also acts as an engine block sealer due to these properties. Throttle Body Spacers are indeed a quick and easy way to improve the engine of different vehicles and improve longevity too. To know the top 10 best Throttle Body Spacers, check out the list given above.