How to Choose and Install a Short Ram Intake for a Scion FR-S?

Choosing and installing a performance-enhancing product like a short ram intake for your Scion FR-S can seem daunting. However, with the right guidance, you can feel like a professional grade mechanic working on your own car. By understanding the benefits of a short ram intake, selecting the right product, and following a detailed installation guide, you can upgrade your car’s engine performance in no time.

Today, we will take a more in-depth look at two popular short ram intake systems: the HPS Aluminum Short Ram Air Intake Kit and the Injen SP Series Short Ram Intake. From product performance to price, to warranty, we will analyze everything you need to know.

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HPS Aluminum Short Ram Air Intake Kit

The HPS Aluminum Short Ram Air Intake Kit is a popular choice among Scion FR-S owners. This section will give you all the information about this product, including its performance, price, and warranty.


HPS is a well-respected vendor in the automotive aftermarket industry. When it comes to their aluminum short ram air intake, it is designed to increase horsepower and torque by improving the engine’s air intake efficiency. The kit includes a high-flow air filter that is washable and reusable. It’s designed to filter out harmful particles, reducing the risk of damage to your engine.

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The HPS intake system also has a heat shield, which helps prevent hot engine air from entering the intake. This results in a denser, colder air intake, providing even better performance.

Price and Warranty

While the price of the HPS intake system can vary depending on the vendor, it’s generally considered to be a mid-priced option. But remember, when it comes to car parts, you often get what you pay for. HPS stands behind their product, offering a limited lifetime warranty which covers defects in materials and workmanship.

Injen SP Series Short Ram Intake

The Injen SP Series Short Ram Intake is another excellent option for Scion FR-S owners. Like the HPS, this product promises to enhance your car’s performance. In this section, we’ll delve into its features, pricing, and warranty.


The Injen SP Series Short Ram Intake is crafted from high-grade aluminum, ensuring durability and performance. It features Injen’s patented MR Technology, a process that tunes the intake system to avoid check engine lights.

In terms of performance, you can expect a significant power boost. The product promises to increase horsepower and torque. Furthermore, it includes a dry air filter that captures harmful particles, ensuring clean air enters your engine.

Price and Warranty

The Injen intake system tends to be slightly more expensive than the HPS. However, it offers robust features that justify the price differential. Also, Injen offers a limited lifetime warranty, giving you peace of mind that you’re investing in a quality product that the company stands behind.

Choosing the Right Short Ram Intake

Choosing the right short ram intake depends on several factors. You need to consider the performance benefits, the price, and the warranty offered by each vendor. Both the HPS and Injen products offer significant performance improvements due to their high-quality air filters and cold air intake features.

Keep in mind that while an increased price can often indicate better quality, it’s not always the case. Always do your research and identify the best value for your specific needs.

Installing Your Short Ram Intake

When it comes to installation, it’s a straightforward process that can be done at home. While some prefer to hire a professional, others enjoy the hands-on experience. Most intake kits come with detailed instructions, making the process even simpler.

Before starting, make sure you have the necessary tools. Typically, you’ll need a screwdriver, pliers, and possibly a socket set. Make sure to disconnect your car’s battery before beginning to ensure safety.

Installation usually involves removing your car’s current air box to make room for your new intake system. After this, you can connect the new intake tube and air filter. Ensure everything is securely fastened before reconnecting your battery and starting your car.

Regardless of whether you choose the HPS or Injen intake system, you’ll likely notice an immediate improvement in engine performance. Remember, investing in good quality aftermarket products can enhance your driving experience and even prolong the life of your car.

Comparing HPS and Injen Short Ram Intakes

When comparing the HPS Aluminum Short Ram Air Intake Kit and the Injen SP Series Short Ram Intake, it’s crucial to consider your unique needs and preferences. Both of these products offer significant enhancements to your Scion FR-S, from improved throttle response to increased horsepower and torque.

The HPS intake is known for its high-flow air filter, heat shield, and bent aluminum intake tube, all of which contribute to an improved air intake process. The heat shield is particularly beneficial as it prevents hot engine air from entering the intake, resulting in a denser, colder air draw. This feature, coupled with the reusable air filter, ensures your engine operates efficiently and reduces the risk of damage.

On the other hand, the Injen intake system boasts Injen’s patented MR Technology which tunes the intake system to prevent check engine lights. Its dry air filter captures harmful particles and the high-grade aluminum construction ensures durability and performance. It’s worth noting that this system is slightly pricier than the HPS, but the robust features might justify the unit price.

In terms of warranty, both vendors offer a limited lifetime warranty covering defects in materials and workmanship. This is a testament to the quality of their products and their confidence in them.

In the end, the choice between the HPS and Injen short ram intakes will depend on your budget, desired features, and personal preference. By considering these factors, you can ensure you’re investing in a product that meets your needs and enhances your Subaru BRZ’s performance.


In conclusion, upgrading your Scion FR-S with a short ram intake system can significantly enhance your car’s performance. Whether you choose the HPS Aluminum Short Ram Air Intake Kit or the Injen SP Series Short Ram Intake, you’re bound to experience an improvement in horsepower, torque, and throttle response.

Remember, it’s vital to do thorough research before making a purchase. Consider factors such as the specific features of each air intake system, the warranty terms, and the unit price. Installing your chosen intake system is usually a straightforward process, and most kits come with detailed instructions. Just ensure you have the necessary tools, such as a screwdriver, pliers, and a socket set, and remember to disconnect your car’s battery for safety.

Embrace the opportunity to work on your car and enjoy the satisfaction of enhancing its performance. The immediate improvement you’ll notice after installing a short ram intake is sure to make the research and installation process worthwhile. Finally, always remember that investing in high-quality aftermarket products like the HPS or Injen intake systems can prolong the life of your car and enhance your driving experience.