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If you own a vehicle of your own and the well-being of it is in your hands, then you know how important the role of CAI is, though it is a small instrument.  As dealers, we have researched and tried to shortlist the top-rated air intake systems available in the present American market. Based on that, here we will be reviewing the best 5 cold air intakes for Infiniti g37 that will help your vehicle to live longer and breathe better.

While fulfilling their role to bring the splash of cool air and save a significant amount of fuel, cold air intakes bring many other blessings to your vehicle. Those include saving fuel usage,  providing better sound during driving, etc.

Infiniti G37 is a well-designed posh car and we have seen so many users to gradually bring their car to a miserable condition by using the wrong products like a weak CAI. We don’t want you to repeat the filter mistake.  That’s why we have provided some very important buying tips for you.

In this review article, we will be focusing on five popular cold air intake systems available in the USA market; the products belong to K&N, aFe, Flowmaster, and some other famous brands.

Top 5 Best Cold Air Intake for Infiniti G37 Review

1. K&N Infiniti G37-71-7078 Cold Air Intake

Whenever we make a list of cold air intakes, the first product in the list usually always belongs to the K&N and there is no exception for g37 as well. For my own vehicle, I use this high-quality cold air intake system from K&N, Infiniti G37-71-7078, which is designed to significantly improve the performance of the G37. Along with fulfilling all the possible duties of a CAI, this product increases the horsepower and I can hear the growl every time I start the engine.

What I love the most about this K&N CAI is how it allows my engine to breathe properly and sound as it should. Even for the engines in our garage, we love to hear that sound of acceleration and its return to quiet once it is at speed. The system increases the volume of cool, oxygen-rich air in my engine, with an estimated increase up to 9HP and up to 7ft. lbs. of torque.

This system is designed by K&N to provide maximum airflow to the engine, which can result in increased horsepower and torque. The dyno-testing by the manufacturer is trustworthy as it is performed on wheel-based dynamometers. The reusable, signature air filter from K&N’s house combines 2 layers of pleated, breathable cotton with K&N’s red filter oil to absorb dirt and dust particles, allowing clean air to continue flowing into your engine. I don’t need to clean the filter more than once for every 50000 miles.

The intake tube of the K&N Infiniti G37-71-7078 Cold Air Intake is made from mandrel-bent aluminum, which is both lightweight and durable. This aluminum tube is durable and for a more custom look under the hood, this mandrel-bent and powder-coated aluminum intake tube helps my engine to increase the volume of airflow. Along with high flow, it also endures the protection of intake air from the high temperature of my engine bay.

Along with great power and durability, this system is easy to install and includes detailed, step-by-step instructions. This is another reason to include this

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2. aFe TA-3016P Takeda Cold Air Intake System

The aFe TA-3016P Takeda Cold Air Intake System has been one of the most trusted products by mechanics like us who have seen the industry for a long time. This CAI is designed for the betterment of the airflow and performance of your Infiniti G37 Coupe 2008-2011 V6-3.7L but that’s not where the product closes its door.

It’s a 10 ½” tall, dual inlet, 360–degree radial flow performance air filter that was custom-made to fit, directly behind the front grille. We have trusted the product so much not just because of its structure but also for its design and material. The system features the aFe famous air filter media, with three layers of progressively finer synthetic media for maximum convenience.

The system will provide your vehicle with great filtration and dust-holding capacity, while not requiring the use of oils.  The media is best suited for street use. As you will notice, the system features a two-piece intake tube that is constructed from high-quality materials, with a wrinkle-black finish. The material of the dual intake system is mandrel-bent high-quality aluminum and it ensures maximum airflow and velocity.

The clear-coated finish will not oxidize, ensuring a long-lasting show quality finish. Another secret positive side of the product that I am going to tell you is about the filter splash shield which I sold separately to protect the filter from direct water splash. This results in longer filter life and better performance. Its secured to the filter using the air filter’s included clamps.

Like the other best-selling products, this one also gathers praise for being easy to install. All required hardware is included for a hassle-free installation. This kit requires the removal of the front bumper but, unlike other intakes on the market for VQs, it can be installed without any trimming or modifications.

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3. INTAKE KAI cold air intake system FIT 08 09 10 11 12 13

We have included this criminally underrated CAI system in our list to bring this product in light and focus on how this system is designed to improve the performance and sound of your Infiniti G37. One of the best things about this Intake Kai cold air intake kit is that it includes a heat shield that helps to protect the air filter from the engine heat. This shield can result in better performance and increased horsepower and torque.

The high-flow air filter that cold air intake with this cold air intake system is designed to provide superior filtration, while still allowing for maximum airflow. One thing I have loved always about this CAI is how it keeps the engine protected from harmful particles and debris, while still receiving a steady flow of clean, cool air.

The increased airflow to the engine can result in better fuel economy and improved throttle response, and that’s another feature that has brought the system to our list. Installation of the system is relatively easier than the other contemporary products and we usually complete it by sing basic hand tools. You will receive the package with all the necessary hardware and instructions, which makes installation quick and hassle-free.

Another benefit of this cold air intake system is how better is the sound it produces during gear. The increased airflow to the engine usually results in a more aggressive sound during acceleration, which many car enthusiasts like me find desirable. Apart from that, the red finish on the intake tube will provide it a sporty look that complements the engine bay of your Infiniti G37.

The reason that it couldn’t make a place for itself among the first 3 products lies in one of its potential drawbacks. If you have used this system before, you know I am talking about heat shield, which can restrict the amount of cool air that is reaching the air filter. This issue results in a slightly reduced performance compared to other cold air intake systems that do not include a heat shield.

Leaving this one problem, the Intake KAI can be a solid choice for anyone looking to improve the performance and sound of their Infiniti G37. With its high-flow air filter, heat shield, and easy installation, this cold air intake system is sure to provide significant benefits for your vehicle’s engine performance.

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4. STILLEN 402852 Generation 3 Ultra Long Tube Dual Intake Kit

The STILLEN 402852 Generation 3 Ultra Long Tube Dual Intake Kit is another premium cold air intake system, built to maximize airflow to your Infiniti G37’s engine. We decided to select this as one of the CAI systems for both our garage and for this list because of its long tube design that allows for increased air volume. This highly-anticipated intake from Stillen utilizes the principles proven with the G37 3.7L system, creating horsepower gains of +17.5 at the wheels.

This system is preferred mostly because of its body structure which can result in significant gains in horsepower and torque. The air filter used here is reusable and ensures high flow but more than that what impressed us for the first time when I used this product for the first time was its ability to provide superior filtration.

Made with high-quality materials, the filter is capable of withstanding high temperatures and extreme conditions, ensuring that your engine is protected from harmful particles and debris. Strategic placement of the filters allows for optimum cold air flow and easy filter removal for cleaning.

Usually, all kits from Stillen feature a system of varied diameter tubing and steps to maximize air velocity. But this system especially features additional polished tubes that pass through the front core support. According to the manufacturers, while they were developing the intakes, they have seen the highest gains after 7-8 dyno runs and I can assure you that they are not lying.

The users we have handles with always praise the installation process which is very breezy and anyone can do it even if he is not mechanically inclined.  They describe the sound this system makes to be “deeper and more masculine”. The system, overall is described as a “great investment” by the users. They talk about the noticeable gains, which they describe as “intakes really sing” and the HP gains.

Overall, we suggest the STILLEN 402852 Generation 3 Ultra Long Tube Dua cold air intake system for the significant improvement they bring to our precious Infiniti G37 by bringing great sound and fresh air. It can be a great choice for anyone looking to upgrade their vehicle’s engine performance with a well-built intake system.

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5. Flowmaster Performance Air Intake – Delta Force

The second one on our list is obviously from Flowmaster, the legendary brand and we can proudly say that we have been using, suggesting, and recommending the CAI from Flowmaster for many years and the success rate of receiving positive reviews is 99.5%.

You can take the performance of your vehicle to the next level with the addition of Flowmaster’s new Delts force performance cold air intake systems.

The Delts force system contains an ultra-trick-looking, custom-molded black cross-linked polyethylene high-flow intake tube and black anodized aluminum fittings.  Apart from the tube, the system comes with high-quality reinforced silicone couplers and all stainless steel hardware.

Other features that we love include a large diameter high-flow conical shaped 8-layer cotton gauze air filter, which traps more dirt than typical 6-layer designs, a custom-fit black powder-coated air dam with attachment brackets to securely mount the system in place along with soft bumpers to eliminate any metal-to-metal contact under the hood.

If we count the problems with this product, then the only one we receive is related to the installation process. Users have reported that the installation instructions that they are not as clear as they could be, which makes the installation process trickier than it needs to be. Apart from that, some users have reported that the filter has a tendency to get dirty very fast, requiring more frequent cleaning and maintenance.

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Buying Guide for the Best Cold Air Intake for Infiniti

As we have already mentioned it is very important for you to understand the need of your vehicle and choose the right CAI for that. To help you in doing so,  we are suggesting you follow some buying tips that we always share with our customers for the well-being of their Infiniti g37.

We have talked about the top-rated Infiniti g37 cold air intake and now it’s necessary for you to know about the tricks to choose the best product for your car. When considering a cold air intake for your Infiniti G37, there are a few factors to keep in mind:

• Compatibility: It’s important to ensure that the cold air intake you choose is compatible with your Infiniti G37’s make, model, and year. This information can usually be found in the product description or on the manufacturer’s website.
• Performance: Different cold air intake systems can provide varying levels of performance gains. Consider what you’re looking to achieve with your Infiniti G37’s performance and choose a cold air intake system that aligns with your goals.
• Air Filter: The air filter is a critical component of any cold air intake system. Look for filters that offer high-flow capabilities and are washable and reusable for easy maintenance.
• Material: Cold air intake systems can be made from a variety of materials, including aluminum, plastic, and carbon fiber. Consider the durability, weight, and heat resistance of each material when making your decision.
• Installation: Most cold air intake systems can be installed with basic tools and some mechanical knowledge. However, some systems may require professional installation. Consider your mechanical abilities when choosing a cold air intake system.
• Brand: Choosing a reputable brand can ensure that you’re getting a high-quality cold air intake system. Research different brands and read reviews from other Infiniti G37 owners to help make your decision.

Overall, a cold air intake can be a great modification to improve your Infiniti G37’s performance. Consider the factors listed above and do your research to find the best cold air intake system for your needs.

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FAQ About Infiniti G37 Cold Air Intake

How does a cold air intake improve performance?

By allowing more air to flow into the engine, a cold air intake allows the engine to breathe easier, which can result in increased horsepower and torque. The increased airflow can also improve throttle response and acceleration.

Do I need to tune my Infiniti G37 after installing a cold air intake?

While a cold air intake can improve performance without any additional tuning, some users may choose to tune their Infiniti G37 to further optimize performance.

Can a cold air intake damage my engine?

When installed properly, a cold air intake should not cause any damage to your engine. However, if installed incorrectly or if the air filter becomes dirty or clogged, it can result in reduced engine performance or damage.

Will a cold air intake void my Infiniti G37’s warranty?

While a cold air intake can improve performance, it may also void your Infiniti G37’s warranty if the manufacturer determines that the modification caused any damage to your vehicle. It’s important to check your warranty terms and consult with a professional mechanic or dealer before installing a cold air intake.

How do I clean and maintain my cold air intake?

Most cold air intakes come with washable and reusable air filters that should be cleaned regularly. Follow the manufacturer’s instructions for cleaning and maintenance, and be sure to inspect the intake and air filter for any signs of damage or wear.

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Conclusion

In conclusion, upgrading the cold air intake system in your Infiniti G37 can be a great way to improve engine performance and increase horsepower and torque. There are many options available, each with its own set of pros and cons, so it’s important to do your research and choose a product that meets your specific needs and budget. To do that research,  our list of the top five best cold air intakes for Infiniti g37 will be proven extremely helpful to you.

Whether you choose a high-end system like the K&N Infiniti G37-71-7078 Cold Air Intake or a more affordable option like the one from aFe or the one from Intake KAI  etc.,  all these cold air intakes can provide significant benefits for your Infiniti G37’s engine performance. Just be sure to follow the manufacturer’s instructions for installation and maintenance, and consult with a professional mechanic or dealer if you have any questions or concerns.

When it comes to improving your vehicle’s performance or helping it have better breath, upgrading the cold air intake is the most common step you can take. It provides your vehicle with cooler and fresher air by blocking the tiniest particles. Thus, your vehicle can roar louder and perform better than before.

Picking just a random cold air intake doesn’t help you. You need to replace the old CAI with a better one. This is where Sinister Diesel comes in.

This brand offers several cold air intakes, air filters, and individual parts of the CAI system to help you improve your vehicle’s performance. In this Sinister Diesel cold air intake review, I will discuss a lot about it to help you decide about your next CAI.

Don’t miss it.

Let’s know about the brand a bit.

About Sinister Diesel

Sinister Diesel started its journey in America when a team of diesel, truck, and 4X4 enthusiasts wanted to make their dream come true. Instead of being just a part seller, the aim is to be a high-quality part seller and change the way of the automotive parts business.

Besides manufacturing and offering cold air intakes and parts, this brand also offers engine parts, exhaust kits, coolant systems, turbos, alternators, exterior parts, etc.

Everyone in the company shares the rebel spirit- the CEO says. If you share the same spirit, they also have an appeal section for you.

Now let’s go back to the discussion of CAI.

Sinister Diesel Cold Air Intake Review

Material

Material is one of the most crucial factors when it comes to performance. Looking at Sinister Diesel CAIs, I think they’re completely aware of ensuring maximum quality through materials.

The tubes are made of aluminum. So, it is light yet strong, and safe from heat and rust. The powder coating on it improves the protection.

The filter media here is cotton, one of the best media available in top-class filters. It is durable and reusable.

Silicon couplers come with the package to handle the joints properly and stop heat penetration. These couplers last way more than rubber ones.

Build Quality

Sinister Diesel has also focused equally on build quality. It uses CNC-machined mandrel bending technology to keep the inside of the tubes smooth. The joints are sealed properly with a high-technology sealing process to ensure uninterrupted airflow.

Also, these CAIs’ parts are designed to fit perfectly without having a slight gap. This helps in smooth performance.

Performance

Most users are completely satisfied with its performance.

CAIs from this brand improve the overall driving experience by outperforming the stock CAI. You’ll see better throttle response, handling, performance, and towing ability. Also, it improves engine sound.

It outperforms most of the CAIs out there.

Installation

Sinister Diesel CAIs are vehicle model-specific and designed to fit perfectly under the hood. So, you won’t have to make changes to get them installed. The required hardware comes with the package. You can do it with a few common tools and just a little experience.

If you enjoy working under the hood sometimes, this will help you save the installation charge.

Look

They look fabulous under the hood, I promise. The polished sinister blue color allows it to stay bold among all the engine components. Thus, no matter why you check under the hood, it’ll surely catch your focus.

And you’ll thank yourself for getting it.

Price

You can’t call these CAIs reasonable. In fact, they are some of the highest-priced CAIs in the market. So, if you’re desperate enough to spend a good amount on CAI improvement, you can go for them.

Warranty Policy

Most Sinister Diesel cold air intakes are backed by a 2-year warranty policy. It is the most practiced warranty policy in the market.

Some of them come with a 1-year warranty too. It’ll be best to discuss the warranty policy with the seller.

Customer Support

I’ve found some negative reviews about Sinister Diesel’s customer support. But positive reviews outnumber the negatives. They have designed a responsive customer support system that helps customers with any issue.

Limitations of Sinister Diesel CAIs

Despite being a well-established product, these CAIs have some limitations and downsides. Let’s see them.

Price

Sinister Diesel CAIs are not overpriced, but the price could be negotiated slightly. They are more expensive than common CAIs known for quality, like K&N, Airaid, Volant, etc.

No Heat Shield

CAIs from this brand don’t come with heat shields to protect the filter from engine heat. This is a bit damaging to the filters. Though they are designed to withstand high heat, adding a shield might make them more efficient.

Discussing My Favorite Sinister Diesel Cold Air Intake

Sinister Diesel Cold Air Intake for 2003-2007 Powerstroke 6.0L

It is the perfect replacement for the OE CAI of 2003-2007 Powerstroke 6.0L engine. Sitting smoothly on the OE CAI’s space, it outperforms the OE and provides an exciting and enjoyable driving experience.

Just like other CAIs from the brand, it comes with a cotton filter, oversized and long-lasting. The bigger size allows it to catch more particles than OE. You can reuse the filter even after it gets dirty. Washing is easy.

The air tube is made of high-quality lightweight aluminum and bent with CNC-machined mandrel bends. It offers excellent airflow toward the engine. Strong seals protect the joins.

After installing this CAI, you’ll see a noticeable improvement in the performance of your vehicle. It makes your engine roar louder, work harder, and perform better. Thus, you’ll notice an improvement in throttle response and overall vehicle control. No matter it’s a competitive race or a long daily drive, the CAI will keep you prepared for anything.

Also, by improving your engine’s capability, it helps your vehicle to tow a heavy load.

It is designed to fit in the OE space and ensures easy installation with a few common hand tools. You can do it easily. To make installation easier, PDF instructions are available online. Also, you’ll find unofficial installation videos.

When it comes to price, it is a bit expensive compared to similar products from most other CAI manufacturers. But its performance has made it worth the price.

Sinister Diesel Cold Air Intake Installation

Frequently Asked Questions (FAQ)

Are Sinister Diesel CAIs legal?

The CAIs from this brand are not legal all over the USA. They are legal in all states except for California. So, you can’t use it there.

Be careful about it.

Are these available for all vehicle models?

No, they are not available for all vehicle models. You’ll find them for common models. Sinister Diesel is focused on designing and manufacturing components for diesel vehicles. So, you’ll find them for most diesel engine vehicles. You’d have to find CAIs from other brands for other vehicles.

Do these CAIs come with installation instructions?

Some of these CAIs come with installation instructions, whereas some don’t. So, the answer is not definite.

However, don’t worry if your one doesn’t include instructions in the package. You’ll find PDFs online. Also, YouTube videos are available for some models.

Final Verdict: Is Sinister Diesel CAI Any Good?

From the Sinister Diesel cold air intake review, you can see that these are some dependable offers to the market. They are made with top-notch material and dependable build quality. Thus, they provide satisfactory performance for diesel enthusiasts.

Just like any other product, you might find some negative reviews about them. But the number of positive reviews is way more than the negatives. So, you can depend on them.

They may not be the best picks for you when price is a concern, as they come with expensive price tags. Still, if you want a dependable CAI system for unmatched performance improvement, going for one from Sinister Diesel is worthy. So, you can try it if it is possible to increase the budget.