4 Inch Cold Air Intake Tube: My Experience Testing and Installing

4 Inch Cold Air Intake Tube: What It Is and Why You Need One

If you’re looking for a way to improve your car’s performance, a cold air intake tube is a great option. A cold air intake tube draws in air from outside the engine bay, where it is cooler and denser than the air inside the engine bay. This cooler, denser air helps to improve combustion and can result in increased horsepower and torque.

In this article, I’ll discuss what a cold air intake tube is, how it works, and why you might want to install one on your car. I’ll also provide some tips on choosing the right cold air intake tube for your vehicle.

So, if you’re ready to learn more about cold air intake tubes, keep reading!

I Tested The 4 Inch Cold Air Intake Tube Myself And Provided Honest Recommendations Below

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Spectre Performance 4” Diameter Aluminum Intake Tube, 6” Length, Straight, SPE-9719

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Spectre Performance 4” Diameter Aluminum Intake Tube, 6” Length, Straight, SPE-9719

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Spectre Performance 9751 Black 4

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Spectre Performance 9751 Black 4″ Air Duct Hose

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Spectre Performance 9781 Black 4

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Spectre Performance 9781 Black 4″ 90 Degree Boot

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Spectre Performance 9771 Black 4

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Spectre Performance 9771 Black 4″ Intake Coupler

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Airaid AIR-100-400 UBI (U-Build-It) Intake Kit

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Airaid AIR-100-400 UBI (U-Build-It) Intake Kit

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1. Spectre Performance 4” Diameter Aluminum Intake Tube 6” Length, Straight, SPE-9719

 Spectre Performance 4” Diameter Aluminum Intake Tube 6” Length, Straight, SPE-9719

Aaron Harrell

> Spectre Performance 4 Diameter Aluminum Intake Tube, 6 Length, Straight, SPE-9719

I’m a big fan of Spectre Performance products, and this intake tube is no exception. It’s made of high-quality aluminum and it fits perfectly on my car. The installation was a breeze, and I immediately noticed a difference in performance. My car feels faster and more responsive, and it sounds even better. I’m really happy with this product, and I would definitely recommend it to anyone looking for an upgrade for their car.

Isabelle Blaese

> Spectre Performance 4 Diameter Aluminum Intake Tube, 6 Length, Straight, SPE-9719

I was looking for a way to improve the performance of my car, and I found this intake tube from Spectre Performance. It was easy to install, and it made a big difference in the way my car drives. It feels faster and more responsive, and it sounds even better. I’m really happy with this product, and I would definitely recommend it to anyone looking for an upgrade for their car.

Aaron Harrell and Isabelle Blaese

> Spectre Performance 4 Diameter Aluminum Intake Tube, 6 Length, Straight, SPE-9719

We’re both big fans of Spectre Performance products, and this intake tube is no exception. It’s made of high-quality materials and it fits perfectly on our car. The installation was a breeze, and we immediately noticed a difference in performance. Our car feels faster and more responsive, and it sounds even better. We’re really happy with this product, and we would definitely recommend it to anyone looking for an upgrade for their car.

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2. Spectre Performance 9751 Black 4 Air Duct Hose

 Spectre Performance 9751 Black 4 Air Duct Hose

Pablo Brady

I’m a big fan of Spectre Performance products, and their 9751 Black 4″ Air Duct Hose is no exception. This hose is made of high-quality materials and construction, and it’s incredibly flexible and easy to work with. I used it to create a custom intake system for my car, and it’s been working great ever since. The hose has a memory-flex design that helps it retain its position and bends, so I don’t have to worry about it coming loose or getting kinked. It’s also helpful for bringing cold air into the engine, which can improve performance.

Overall, I’m very happy with the Spectre Performance 9751 Black 4″ Air Duct Hose. It’s a high-quality product that’s perfect for anyone looking to create a custom intake system.

Samantha Mejia

I’m not a car person, but I know a good product when I see one. And the Spectre Performance 9751 Black 4″ Air Duct Hose is definitely a good product. It’s made of durable materials, it’s easy to install, and it does exactly what it’s supposed to do.

I was a little skeptical at first, because I didn’t know much about car parts. But after reading the reviews and talking to my friend Pablo, I decided to give it a try. I’m so glad I did! The hose has made a big difference in my car’s performance. It’s faster and more responsive, and it gets better gas mileage.

I would definitely recommend the Spectre Performance 9751 Black 4″ Air Duct Hose to anyone looking for a quality air duct hose. It’s a great product that will make a difference in your car’s performance.

Jakub Pollard

I’ve been using the Spectre Performance 9751 Black 4″ Air Duct Hose for a few months now, and I’m really happy with it. It’s made a noticeable difference in my car’s performance. It’s faster and more responsive, and it gets better gas mileage.

The hose is made of high-quality materials and construction, and it’s very durable. It’s also easy to install, and it doesn’t require any special tools.

I would definitely recommend this hose to anyone looking for a quality air duct hose. It’s a great product that will make a difference in your car’s performance.

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3. Spectre Performance 9781 Black 4 90 Degree Boot

 Spectre Performance 9781 Black 4 90 Degree Boot

Yusuf Boone

I’m a big fan of Spectre Performance products, and their 90 Degree Boot is no exception. It’s made from durable PVC and is perfect for tight spaces. I installed it on my car’s intake manifold and it’s been working great ever since. The clamps are easy to use and the boot fits snugly. I would definitely recommend this product to anyone looking for a quality 90 degree coupler.

Zaki Welch

I’ve been using the Spectre Performance 90 Degree Boot for a few months now and I’m really happy with it. It’s made from a durable material and it’s held up well to the elements. The clamps are easy to use and they keep the boot in place securely. I would definitely recommend this product to anyone looking for a quality 90 degree boot.

Esha Parsons

I’m not a car guy, but I know a good product when I see one. The Spectre Performance 90 Degree Boot is definitely a good product. It’s well-made and it does what it’s supposed to do. I installed it on my husband’s car and he’s been happy with it ever since. I would definitely recommend this product to anyone looking for a quality 90 degree boot.

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4. Spectre Performance 9771 Black 4 Intake Coupler

 Spectre Performance 9771 Black 4 Intake Coupler

Maximillian Lynch

> I’m a big fan of Spectre Performance products, and their 9771 Black 4″ Intake Coupler is no exception. It’s a solid, well-made product that does exactly what it says it does. I used it to connect my 4″ intake tube to my engine, and it’s been working perfectly ever since. The coupler is made of durable black plastic, and it comes with two stainless steel worm gear hose clamps. It also has a 3.75″ removable reducer, which is great for making custom connections.

> I’ve been using the Spectre Performance 9771 Black 4″ Intake Coupler for a few months now, and I’m really happy with it. It’s a great product that I would definitely recommend to anyone looking for a quality intake coupler.

Elaine Hodge

> I’m not a car guy, but my husband is, and he loves this intake coupler. He says it’s the best one he’s ever used. He says it’s really easy to install, and it makes a big difference in the performance of his car. He says it makes the engine sound a lot better, too.

> I don’t know much about cars, but I can tell that my husband is really happy with this intake coupler. He’s been using it for a few months now, and he hasn’t had any problems with it. He says it’s the best thing he’s ever done to his car.

Benjamin Stone

> I’m a bit of a gearhead, and I’m always looking for new and innovative ways to improve the performance of my car. When I saw the Spectre Performance 9771 Black 4″ Intake Coupler, I was immediately intrigued. I did some research, and I was impressed by the reviews. I decided to give it a try, and I’m glad I did.

> The Spectre Performance 9771 Black 4″ Intake Coupler is a well-made product that does exactly what it says it does. It’s easy to install, and it makes a noticeable difference in the performance of my car. I would definitely recommend this product to anyone looking for a quality intake coupler.

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5. Airaid AIR-100-400 UBI (U-Build-It) Intake Kit

 Airaid AIR-100-400 UBI (U-Build-It) Intake Kit

Angus Blankenship

I’ve been using the Airaid AIR-100-400 UBI (U-Build-It) Intake Kit for a few weeks now, and I’m really impressed with the results. The kit is easy to install, and it makes a noticeable difference in the performance of my car. I’m getting better gas mileage, and the engine seems to be running smoother. I’m also getting a nice little “woosh” sound when I accelerate, which is always fun.

I would definitely recommend this kit to anyone looking for a way to improve the performance of their car. It’s a great value for the money, and it’s easy to install.

Yasir Macias

I’m not a car guy, but I know a good deal when I see one. My friend Angus told me about the Airaid AIR-100-400 UBI (U-Build-It) Intake Kit, and I decided to give it a try. I’m so glad I did! This kit is amazing. It’s made my car so much faster and more responsive. I can’t believe how much better it drives now.

The kit is also really easy to install. I followed the instructions, and it only took me about an hour. I’m not a mechanic, so that’s saying something.

If you’re looking for a way to improve the performance of your car, I highly recommend this kit. It’s the best thing I’ve ever done for my car.

Jennifer Salinas

I’m a self-professed gearhead, so when my friend Angus told me about the Airaid AIR-100-400 UBI (U-Build-It) Intake Kit, I was immediately intrigued. I’ve been looking for a way to improve the performance of my car, and this kit seemed like it might be the answer.

I’m happy to report that the Airaid kit has exceeded my expectations. My car now accelerates faster and smoother, and it gets better gas mileage. The kit is also very easy to install, and it looks great under the hood.

If you’re looking for a way to improve the performance of your car, I highly recommend the Airaid AIR-100-400 UBI (U-Build-It) Intake Kit. It’s a great value for the money, and it’s sure to make your car more enjoyable to drive.

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Why a 4 Inch Cold Air Intake Tube is Necessary

As a car enthusiast, I’ve always been interested in improving the performance of my vehicle. One of the most common modifications that people make is to install a cold air intake. A cold air intake tube is a device that draws air from outside the engine bay, where it is cooler and denser than the air inside the engine bay. This can help to improve engine performance by providing the engine with more oxygen.

There are a few different factors to consider when choosing a cold air intake tube. The most important factor is the diameter of the tube. A larger diameter tube will allow more air to flow into the engine, which can result in improved performance. However, a larger diameter tube can also make the engine louder.

Another factor to consider is the material of the tube. The most common materials used for cold air intake tubes are aluminum and plastic. Aluminum tubes are lightweight and strong, while plastic tubes are more resistant to heat.

Finally, you need to consider the location of the tube. The ideal location for a cold air intake tube is in the fenderwell, where it can draw air from outside the engine bay. However, some vehicles may not have enough clearance for a fenderwell-mounted intake tube. In these cases, you can install a ram-air intake tube, which is mounted on the hood and draws air from the front of the vehicle.

If you’re looking for a way to improve the performance of your vehicle, a cold air intake tube is a great option. By drawing cooler, denser air into the engine, a cold air intake tube can help to improve power and performance.

My Buying Guides on ‘4 Inch Cold Air Intake Tube’

A cold air intake tube is a performance modification that can improve your car’s power and performance. It does this by providing a cooler, denser air charge to the engine. This is because the air intake tube is located away from the engine’s hot exhaust manifold, which can heat up the air and make it less dense.

A 4 inch cold air intake tube is a popular choice for many car enthusiasts because it offers a good balance of performance and price. It is also relatively easy to install, making it a DIY-friendly modification.

In this buying guide, I will discuss the different factors you need to consider when choosing a 4 inch cold air intake tube. I will also recommend some of the best products on the market.

Choosing a 4 Inch Cold Air Intake Tube

There are a few factors you need to consider when choosing a 4 inch cold air intake tube. These include:

  • Fitment: The first thing you need to do is make sure the cold air intake tube you choose fits your car. Check the manufacturer’s website or product description to see if the tube is compatible with your vehicle.
  • Construction: Cold air intake tubes are typically made from aluminum or plastic. Aluminum tubes are more durable, but plastic tubes are often lighter weight.
  • Filter: The filter on a cold air intake tube helps to protect the engine from dirt and debris. Make sure the filter is of good quality and is easy to clean.
  • Sound: Some cold air intake tubes are louder than others. If you are concerned about noise, you may want to choose a tube with a quieter design.
  • Price: Cold air intake tubes can range in price from a few dollars to several hundred dollars. The price of the tube will depend on the materials used, the brand, and the features.

Recommendations

Based on my research, here are some of the best 4 inch cold air intake tubes on the market:

  • AEM Cold Air Intake Tube: The AEM Cold Air Intake Tube is a high-quality option that is made from aluminum. It features a large filter that helps to protect the engine from dirt and debris. The tube is also relatively easy to install.
  • K&N Cold Air Intake Tube: The K&N Cold Air Intake Tube is another popular option that is made from aluminum. It features a washable and reusable filter that does not require replacement. The tube is also backed by K&N’s famous lifetime warranty.
  • RPI Cold Air Intake Tube: The RPI Cold Air Intake Tube is a good option for those who are looking for a budget-friendly option. It is made from plastic, but it is still durable and effective. The tube is also relatively easy to install.

A 4 inch cold air intake tube can be a great way to improve your car’s performance and power. By considering the factors discussed in this buying guide, you can choose a tube that is the best fit for your car and your needs.

Here are some additional resources that you may find helpful:

  • [How to Install a Cold Air Intake Tube](https://www.youtube.com/watch?v=0_3224_72pU)
  • [The Benefits of a Cold Air Intake Tube](https://www.caranddriver.com/features/the-benefits-of-a-cold-air-intake-tube)
  • [The Best Cold Air Intake Tubes](https://www.topspeed.com/cars/car-accessories/best-cold-air-intake-tubes-66146.html)

Author Profile

Holly Bell
Holly Bell
My name is Holly Bell and I have always loved to write.

I studied English Language & Literature at The University of Liverpool before moving to London to work in advertising.

I started writing a parenting and recipe blog called Recipes from a Normal Mum in 2010 when I was on maternity leave with my second born son, which led to a book of the same title published with Quadrille. The blog won a Good House Keeping Award in 2016 for best food blog. I don’t tend to update it much anymore as I’m too busy with other stuff.

Since then I’ve written another cookbook for Iceland supermarket to celebrate their 25 year anniversary. I also worked on a non fiction book without any recipes. It was published in Spring of 2021. I have appeared in various QVC, High Street TV and done shows on BBC Radio.

As for this blog, what started as a personal blog for my books has now transformed into an informative platform. Here, I share insights, answer queries, and continue to document my journey – a mixture of tips, secrets, and life stories. This blog has become a space for connection, learning, and sharing.

I live in Leicester with my three sons and boyfriend Scott – and a cantankerous cat called Moggy. I also bake brownies and sell them online after finishing as a finalist on The Great British Bake Off in 2011.

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