Let’s talk about something that is sometimes controversial in the automotive industry (aftermarket), and that is “Do Throttle Body Spacers Work.”  

If you want to buy an automotive accessory for your car that can increase the power and performance or gas mileage, then I believe one of the items, you may depend on is a throttle body spacer.

Basically, the throttle body spacer is a type of auto accessory essential to change the flow of air into the intake manifold.

Some people show great interest to them, and on the other hand, some people say, “they are just a waste of money and time. So, guys, this debate forces me to ask the question, “do they really work”?  

Well, without further ado, let’s have an in-depth discussion about them. Here, we try to make a list of the best throttle body spacers 2020 and their reviews as well.

 What is Throttle Body Spacers?

The throttle body spacer refers to a block of aluminum that is designed to go between your intakes & throttle body.
Usually, this automotive part is the first choice by the car owners who want to improve the torque, horsepower, and fuel economy.
This unit’s primary function is to regulate the airflow into the manifold to optimize the air volume that goes into the intake.
Besides, this auto part is performing well with different car engines (but not with any models).
Most significantly, when it comes to getting a quick way to get extreme performance from a car engine, then choosing a throttle body spacer would worth your money.

 How do Throttle Body Spacers work?

The principle of throttle body spacers is controlling the airflow that goes into the engine. People called it a performance part, which is mainly used with a fuel injection method.

Throughout the system, first of all, you will find a wire that joins the car’s accelerator to the throttle.   
While the accelerator is pressed, the throttle opens and allows the increased air flow to enter the intake system.      
This throttle confirms more air flow than average to enter into the engine. Thus, the engine doesn’t need to work too hard to get the most-needed air flow to the combustion chamber.

What are the advantages of using a throttle body spacer?

One of the most significant advantages of using a throttle body spacer is that it helps in increasing horsepower.
This performance tool increases the velocity of air that causes improvement in the atomization.
The spiral air flow, which comes from the throttle, gives much better combustion.
If your car has a carburetor, this tool can improve the vacuum response and car performance.  
This provides some extra height to air fusion.
The controlled air flow into the intake ports increases the possible torque response. Because you know that the throttle body spacer allows more air, the engine does not need to work too hard.
It is possible to enhance the torque power (25 ft-lbs) with the help of throttle body spacer.  
These spaces are particularly beneficial for the older engines, especially those with fuel injection systems.
The help of throttle body spacer, particularly the older engines (with fuel injection systems), would be beneficial.

Also Read: Which Is The Best Cam For Chevy 305,350?

What are the Best Throttle Body Spacers?

There are plenty of throttle body spacers out on the market. So, we have done extensive research to choose the top-line auto accessories for your vehicle.

We hope our list of the best throttle body spacers will meet your needs and save a few bucks. Let’s look at in-depth research about the products with descriptions, pros, and cons.  

1.Airaid 200-617 PowerAid Throttle Body Spacer

When it comes to manufacturing a high-quality air intake system, Airaid becomes on the top line due to its advanced engineering, development, and thorough research.  

And one of the leading items by this manufacturer is the Airaid 200-617 PowerAid Throttle Body Spacer.

If you are a car owner looking for a device that can thoroughly increase the horsepower, torque, and airflow, then choosing the 200-617 PowerAid Throttle Body Spacer by Airaid couldn’t be a wrong choice.

Besides, it could be the best choice for those looking for an easy to install Throttle Body Spacer for their car. It really helps you to feel a difference in airflow.

With patented and unique Helix Bore design, it spins the incoming air flow and maintains a high velocity, which ensures a perfect combination of air & fuel.  

Moreover, this combination can increase the power and efficiency, which increases the car’s overall performance while on the road.

With aircraft-grade aluminum, the 200-617 PowerAid spacer ensures a well-made and robust unit built for long since. Most significantly, the aircraft-grade aluminum makes it sturdy and durable for long time use.

So, wanna increase the life of your jeep, or wrangler or Cherokee, install this 200-617 Throttle Body Spacer. Though the price is a bit higher than others, it really does everything that it says.


Increase torque (800 rpm -3,000 rpm), airflow, and horsepower  
Improve power and performance
Boosts the speed of the incoming air flow
Ideal for increasing the car run better and faster
Fit for your Silverado truck
Easy to install


The wrong installation can reduce the performance level.
A bit pricey

2.Taylor Cable 53020 Helix Power Tower Plus Throttle Body Spacer

Are you looking for the best Throttle Body Spacer for improving your truck performance? If so, then our favorite for the truck performance is the Taylor Cable 53020 Throttle Body Spacer.

The Taylor Cable 53020 could be the ultimate solution for increased horsepower, improved torque, better fuel economy, and quality towing power in a single unit.

The most significant feature that makes Taylor Cable 53020 a bit unique and different from other performance tools is the use of tested technology to ensure the most power possible.

Besides, the 53020 Helix Power Tower Plus is flow bench and dyno-tested, which ensures maximum air flow, better discharge, and more power.  

Furthermore, this auto kit is designed to use different areo-dynamic theories that increase the static pressure to intake manifold.

If you have both Taylor Cable and Airaid Throttle Body Spacer, you will find obvious benefits of using Taylor Cable 53020 over the Airaid 200-617 power tool.

Firstly, due to the smaller size, the Taylor Spacer ensures more air compression and higher oxygen content than the Airaid Spacer.
Secondly, the Taylor Spacer reduction fans are milled in the same way as the air flow, which means no sound. These two benefits make the Taylor Spacer a bit different than the Airaid 200-617 power tool.  

Wanna a much power with mileage and save a few bucks? If so, we would love to recommend anyone to choose the Taylor Cable 53020 Helix Power Tower Plus Throttle Body Spacer.       

Better fuel economy and improved torque (4k rpm).
Increased horsepower and standard throttle response.
Provides more static pressure to intake manifold
Ideal for improving truck performance
High towing power
Easy to install


It has a bit smaller inside diameter.
It doesn’t make any whistle.

3.aFe Power Silver Bullet 46-34008 GM Throttle Body Spacer

aFe Power works a bit differently than ordinary performance auto accessories. That is, they like to use In-house dyno testing technology to provide the most power possible.

The Bullet 46-34008 GM Throttle Body Spacer? Well, it’s a perfect example of the aFe Power difference.

The aFe Power Throttle Body Spacer could be an excellent addition to your vehicle when it comes to getting more horsepower and torque.

With 6061-T6 billet aluminum, it ensures quality design and optimal performance. Besides, the serrated/helix design makes turbulence in the air flow to the combustion cycle and engine optimizing.

With this turbulence, the fuel burns thoroughly to provide improved throttle response, increased horsepower (8 HP), and torque.

Another significant thing that makes the aFe spacer standalone to other performance kits is its specially crafted serrated edge technology. With this technology, it reduces the whistling sound that is normally found in throttle body spacers.    

Do you want to get the Body Spacer to increase the volume between the cylinders and throttle for volumetric efficiency?
We hope, choosing the Silver Bullet 46-34008 GM Throttle Body Spacer by aFe Power could be the right solution. It would be worth the money.


Better throttle response.
Increased horsepower and torque.
In-house dyno testing ensures the most power possible.
The use of 6061-T6 billet aluminum makes it lightweight
Helix design makes turbulence in the air flow
Sturdy and durable for perfect fit and finish
Intake airspeed ensures high performance


It makes a bit loud whistle while shifting.
Some users complain that it didn’t fit accurately with their truck.  

4.JET 62143 Powr-Flo TBI Spacer

Get great value with increased horsepower and performance to your vehicle by choosing the 62143 Power-Flo TBI Spacer by Jet Performance.

It is designed to increase the air flow speed into the combustion chamber for a recurring air charge.  

Besides, in the mid-range to the top end, it ensures excellent power gains and improved throttle response. Most significantly, the increased air flow produces improved fuel efficiency.

Another match-winning feature of this unit is its aluminum construction that gives 62143 Powr-Flo TBI Spacer extreme durability.

Overall, this power Spacer by Jet Spacer seems really fashionable under the hood, which is a bonus – would recommend for all!


Designed higher air speed to the combustion chamber.
Increased throttle response.
Excellent power gains.
Enhanced overall fuel efficiency.
Installed within 5 minutes.
Ideal for Chevy Silverado.


It doesn’t make any whistle

5.Airaid 200-540 PowerAid Throttle Body Spacer

Worried about the power and performance of your car while driving? Or want to increase the efficiency of your drive? We think it is everyone’s expectation.

By choosing the 200-540 PowerAid Throttle Body Spacer by Airaid, your ride will gain exceptional power gains in torque and better fuel economy.

The most standalone feature of this Spacer is its build quality. It is made from aircraft-grade aluminum, which makes it corrosion free and durable.

Besides, this unit’s unique design makes a cyclonic air to the intake manifold, which organizes the air molecule and maintains speed. In addition, while the high-speed air combines with gas, it makes an increased off-idle torque from 800 to 3,000 RPM.

When it comes to the fit and finish, choosing this Throttle Body Spacer for your vehicles could be a wise decision.


It comes with all the needed tools for installation.
Improved torque and throttle response.
Improved power and performance.
Better fuel efficiency.


The installation process is not as easy as it described
Mileage needs to be improved.

6.JET 62180 Powr-Flo Throttle Body Spacer

With cold air intake, the JET 62180 Powr-Flo Throttle Body Spacer ensures increased horsepower and performance. It is designed to increase the speed of the airflow into the combustion chamber.

By increasing the air speed, you can improve the throttle response (mid-range to top end). Most importantly, the high-grade billet aluminum built makes this corrosion-free and long-lasting.

Also, the increased velocity of the air improves overall fuel efficiency. Furthermore, this easy to install body spacer needs only 10 minutes for whole set up. You don’t need to change your vehicle anyway with a bolt-on installation system.

Finally, the JET 62180 Powr-Flo Throttle Body Spacer could be an ultimate solution for looking for a unit that ensures easy to increase horsepowers.


High-grade aluminum built
Durable and corrosion-free
Increased horsepower and mileage
Fit for different performance upgrades


It creates whistles which are a bit annoying

Frequently Asked Questions (FAQs): Throttle body spacers

Question 1. Do throttle bodies increase horsepower?

Answer: Yes, honestly speaking, with the help of throttle body spacer, it is possible to increase your car engine’s horsepower.

But getting strength from the throttle body needs some modifications. Depending on the changes you have made to the engine, you may get 5 to 25 Horsepower (HP).

Read more: How to increase car’s horsepower.

Question 2. How much HP does a throttle body spacer add?

Answer: You can easily enhance the torque (by 25 ft-lbs) and Horsepower (up to 18) by installing a throttle body spacer.However, it would help if you chose the throttle body tool that is ideal for your engine. Remember, you should go for an auto accessory that can match your car engine’s make and model.

Question 3. Does a throttle body spacer void the warranty?

Answer: According to the Magnuson–Moss Warranty Act, installing a throttle body spacer on your vehicle helps you stay protected.

This law claims that if not the throttle spacer and the installation caused a problem, then the warranty cannot be voided or discarded.

Question 4. What does a throttle body Spacer do for a Jeep Wrangler?

Answer: Having a throttle body spacer could be the most affordable aftermarket tool for your Jeep Wrangler.

It increases the airflow to the engine of your Jeep Wrangler. This tool is locked to the back of the throttle body (below the airflow).

Question 5. Are intake manifold spacers worth it?

Answer: The intake manifold spacers are such types of insulators that are settled between the engine and the intake manifold. With this insulator, you can quickly check and control the excessive heat in the chamber.

On the other hand, the excessive temperature inside the engine due to the absence of intake manifold spacers will burn all the oxygen.   
Most significantly, if you have a car with a carburetor, then the Spacer stimulates the vacuum response and increases the performance. Overall, having intake manifold spacers will worth your money.


The performance auto accessory plays a significant role in increasing the power and speed of any car. This is where the throttle body Spacer comes into play to boost speed and engine power.

After reviewing the article, we hope you will get all the answers considering the fact, do throttle body spacers work?”    

They have all the science to increase the horsepower and torque, which allows your car to go faster. Besides, we hope our list of the top 6 best throttle body spacers would be perfect for your vehicle.

Last but not least, before going for any throttle spacers, please confirm it is suitable for your vehicle and the engine.

Thanks for staying with us. Have you purchased any one of the throttle body spacers on our list? Do they increase the fuel economy, horsepower and torque of your car? If so, please share your experience by leaving a comment.

Happy driving with increased horsepower, speed, and performance.


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