Are Cold Air Intakes Illegal In Michigan? (2022 Updated)

Car drivers have been curious, and they want to know if the cold air intake is illegal in Michigan. But, of course, all the modifications you can do on every vehicle are already part of integral parts of the vehicle’s culture. And so today, let us focus on the cold air intake’s illegal trance in Michigan.

So are cold air intakes illegal in Michigan? To answer this question, it is yes. Therefore, cold air intake is illegal in Michigan.

You can be someone who is currently living today in Michigan, or you might be planning to move into the state; there are a lot of rules and laws that you will need to follow for that specific place. First, you have to ensure that the modifications to your vehicle are legal in every state. Modifications of the vehicle are prevalent, but it does not mean that all of them are legal. 

This is important for those people who own a vehicle and are in Illinois right now. You should be able to learn not to cross the law. Every citizen must abide by the rules. 

This is to prevent any problems in the near future. So, let us get started.

Are Cold Air Intakes Illegal In Michigan

Are Cold Air Intakes Legal In Michigan?

Unfortunately, the cold air intake has become illegal in some states, including Michigan. And so, if you’re planning to install a cold air intake or strap-on lightbars on your vehicle, you have to consider if such modifications are legal and illegal in the state you are currently in. There are a lot of cold air intake systems that are illegal in their respective jurisdictions. 

However, there are ways to make the oil-air intake system leg across all fifty states. It is also challenging to go outside every day and not see one vehicle that has not received any modifications in the automotive aftermarket world. A cold air intake system is considered one of the essential aftermarket upgrades that you can install on your vehicle. 

If you install one in your ride, you will have more horsepower from your engine. But this is not the case with the state regulatory authorities. 

List Of Legal Cold Air Intakes In Michigan

Unfortunately, there is no list of cold air intakes in Michigan. The intake system is legal for street use in most states, but it is not legal in the streets of Michigan.

Can Cold Air Intakes Be Shipped To Michigan?

It is not stated whether cold air intake can be shipped to Michigan, but there is no point in shipping it if it is illegal. All the K and N series intakes for North American vehicles receive Carb EO numbers, and they are street legal in fifty states. 

There are some intake systems that we are selling in the beginning but are not legal to use in Michigan and some other places. A cold air intake is just a small investment with a big payoff. A cold air intake can provide a decent horsepower boost for a small investment.

Why Are Some Cold Air Intakes Illegal?

Some cold air intake is illegal because it will get denser if the air flows through the cold air intake as it turns colder. As a result, there’ll be more oxygen in a smaller air volume. Because the cold air intake will affect the engine, a clogged, dirty, or failing cold air intake will decrease the car’s performance and its fuel economy. 

What Car Mods Are Illegal In Michigan?

Most sought car modifications are illegal in many cities, especially in Michigan. So here are the vehicle modifications that are illegal in Michigan.

1. Sound and Noise

Michigan has a lot of regulations that concern the sound system and the muffler of your vehicle.

2. Sound System

Michigan has 90 decibels if traveling thirty-five miles per hour or more. It is 85 decibels at thirty-five miles per hour or less and 88 decibels if stationary.

3. Mufflers

Mufflers are required on all vehicles, and they should work properly without no leaks or holes. The muffler cutouts bypass, amplifiers, or other modifications made to amplify sound are not permitted. You have to constantly check with the laws of Michigan to make sure you are following any municipal noise ordinances that can be more stringent than the state-level laws.

4. Frame and Suspension

Michigan has a lot of regulations on frame and suspension height. The vehicles can be taller than thirteen feet and six inches. The vehicles can have tie rods, drag links, and pitman arms welded to the vehicle to affect steering. 

The front lift blocks are permitted. The one-piece rear lift blocks with a height of four inches or more are permitted. The spring shackles that are longer than two inches beyond stock length are not permitted. 

The vehicles with GVWR less than 7,500 have a maximum frame height of twenty-four inches. The vehicle with a GVWR of 7,501 – 10,000 has a maximum frame height of twenty-six inches. Vehicles from 7 501 to 10,000 GVWR have a maximum frame height of twenty-eight inches. 

Vehicles of over 4,500 pounds and under a maximum front bumper height of twenty-four inches and a rear bumper height of twenty-six inches. Those vehicles between 4,501 and 7,500 pounds have a maximum front bumper height of twenty-seven inches and a rear bumper height of twenty-nine inches. And those vehicles between 7,501 and over 9,000 pounds have a maximum front bumper height of twenty-eight inches and a rear bumper height of thirty inches. 

5. Engine

Michigan does not have engine modifications or swap regulations and does not require emission testing.


In summary, car drivers must be aware of the legal restrictions in all the states. In addition, car drivers should be able to know about the prohibition regarding the modifications of the vehicles to not conflict with the law. 

Many curious people have wanted to know whether cold air intake is illegal in Michigan. And yes, cold air intake is illegal in Michigan. And that is why you should not do this modification.



Image credits – Canva

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My name is Hank, and I've been in the automotive industry for 27 years. I've been working in my own auto repair shop for the last 13 years, and now I want to help you here, on my blog. Let me know if you have any questions. Read more