The goal with the short ram intake is to direct air into the engine in the shortest route possible. The shortest route is also straight.
These characteristics combine to create a path that has the least amount of resistance for air to get into the engine. This lesser the resistance, the more air you have, thus the more horsepower potential. The cold air intake does get denser air than the short ram intake. However, since it is longer and more complex, it is often more expensive.
This increased complexity also leads to a more difficult and time-consuming installation. Having a low-placed filter outside of the engine bay is great for taking in cooler, denser air. But, that location is also where the most debris and moisture are also present. The strength being a weakness can also be said for the short ram intake.
Although its placement will prevent water ingestion, it also is affected by heat soak due to being in the warm engine bay. Is there a best of both worlds? This system utilizes several unique features in an effort to maintain optimal flow for performance while minimizing turbulence that can cause engine management problems. It uses a custom conical cloth air-filter element and a CFD-designed velocity stack leading to a unique airflow straightener grid.
This straightener grid is specifically designed to smooth the incoming airflow as it passes the Mass Air Flow sensor for precise readings. Most other aftermarket intakes do not utilize these critical design elements. In order to provide a system that looks as good on the outside as the technical advancements happening on the inside, we utilize a one-piece design constructed from a high-temperature plastic composite.
Not only does this save weight compared to the previous metal design, but the plastic composite material also offers much better heat rejection properties that help keep intake air temperatures cooler.
In contrast, intake systems constructed using metal castings or piping can actually retain underhood heat and in turn heat the incoming air. Hot engine bay air that robs horsepower is prevented from entering the intake system. This unique design also separates rainwater from the intake air, eliminating the water ingestion issues that plague in-fender cold air intakes.
There is the short ram intake and the cold air intake. We always get the question of which is better, which makes more power, which is easier to install, and which sounds the best. Cold Air Intake A cold air intake is designed to drawn in as much cold air as possible, giving it the name cold air intake.
A cold air intake usually is placed in the fender of a car, under one of the sides of the engine, or somewhere behind the engine depending on the engine design and fitment possibilities. Due to the intake having more piping, the cold air is usually more expensive, and more difficult to install.
Part of the cost is also the research and development that goes into each intake to make sure that the intake performs properly. Another key take away is that since the air filter is farther away from the heat of the engine, your car is less likely to be affected when your radiator fan flips on. On some setups, the intake is near the radiator fan, so when the fan turns on and blows heat away from the radiator, it might blow the air right into your intake, causing poor performance.
Short Ram Intake A short ram intake is the most popular type of intake on the market. This intake is designed to simply replace your factory intake with a new smooth pipe and an open element air filter. Due to this, the cost is less than a cold air, and also is much easier to install.
In the picture on the right, you see a short ram intake setup on a BMW M5. This car is a dual intake setup, so this particular intake kit comes with two pipes and two air filters. Some people also like the short ram intake better due to the looks of the kit since the air filters are in the engine bay. When a manufacture builds an intake for a car, they typically test all available options. In these cases, the manufacture will only have a short ram intake available.
Some intakes come with a heat shield. Is this worth it? If a heat shield is available for your aftermarket intake system, we recommend to get it. Usually this allows a short ram intake to make more power, since it blocks off some engine heat from reaching your open element air filter. I have seen intake scoops, do these help? How about ram air? These help as long as the design is executed well.
This allows more cool air to reach your air filter which creates more power. A ram air works about the same way. A true ram air forces air direct into your air filter, which gives your car more power since it essentially turns your intake into a cold air intake.
In the picture on the right, you can see how the air filters are surrounded by a shroud. When the hood closes, it seals this shroud, creating a blocked off ram intake. Are short ram intakes with an air box worth it? Some manufactures have intakes that include an aftermarket performance air box.
This typically has much higher flow than the stock air box and allows your air filter to get more air. What is heat soak? Heat soak is when your intake piping becomes so hot, the piping heats up the air going into your engine, decreasing engine performance. Why are some intakes so much cheaper than others? Is there really a difference? Many people think that an intake is an intake, and you should get one that is cheap since they all perform the same.
This is far from the truth. Over the years, we have seen many people use cheap short ram intakes or cheap cold air intakes that actually hurt horsepower. Since cold air intake systems are designed with multiple layers of fiber, they can more effectively capture and hold the dirt. Intake Airflow Rate: Stock filters are known as restrictive filters.
They collect dirt or dust particles and effectively choke pores which eventually restrict further air pressure rate. During filtration maintenance, cold air intake filters achieve a high and virtually unrestricted air pressure. Also, allow extra oxygen. Cost And Replacement: The major plus point of a standard stock filter is its low cost and ease in replacing the entire stock box since the stock set-up process is quite easy.
Cold air filters are relatively costly and the replacement task can be a little troublesome. Cold intakes let in extra oxygen to flow and also better for efficient heat transfer. If you want a quicker throttle response in your car then cold air intake also ensures that. It also provides better acceleration to stay safe on busy roads. These intakes tend to improve the air-to-fuel ratio, which eventually increases the gas mileage. These air filters are sturdier than any typical stock filter elements and last longer than stock upgrades.
These filters can boost up to 30 to 40 HP power and torque in your car. Unlike stock setup, a cold air intake has a more time-consuming and complex installation process.
These intakes tend to absorb moisture and debris, which means they tend to compromise the internal elements. And when a significant amount of water gets trapped inside your cylinders, it causes a hydro-lock on your engine. An aftermarket CAIs pulls colder and denser air which contains extra oxygen too.
But a stock airbox pulls regular or warmer air with less density and oxygen. Most aftermarket intakes can reduce the filter inlet, larger inlet by using low-restriction filter elements. They can even offer a bump above stock in power when the filter inlet air temp decreases. If you consider filtration capacity, aftermarket CAIs are more efficient in filtering all contaminants and dust than any stock airbox or stock filter.
Since an aftermarket intake pulls colder air, fuel can burn more efficiently. But the airflow of stock one is less thin or dense in oxygen, and you will get less mileage and poor performance of your vehicle. Different Factor In Performance Between Short Ram Intake Vs Cold Air Intake- Let me explain the difference in the performance of these two to make the decision easier- In case the highest increase in torque and horsepower is your preference to select the intake, a cold air filter will be an ideal option.
But if you do not have such specific requirements, then go for a short ram intake because it also offers a more quicker throttle response and decent acceleration.
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