What’s the Best Way to Add a Front Lip Spoiler to a Subaru WRX STI for Increased Downforce?

April 8, 2024

As car enthusiasts, you’re always scouring for new ways to improve your vehicle’s performance, whether it’s for everyday driving or weekend track days. One effective modification to consider is the addition of a front lip spoiler. This piece of kit, particularly on a Subaru WRX STI, can significantly increase downforce and enhance your car’s overall handling. But, what is the best method to add it? Let’s delve deep into this modification process and its benefits.

Understanding the Role of a Front Lip Spoiler

Before we dive into the installation process, it’s imperative to understand the role of a front lip spoiler. A lip spoiler, also known as a front splitter, is a device installed beneath the bumper of a car to manage the high-speed airflow around the vehicle. When cars move at high speeds, the air pressure can lift the vehicle, reducing traction and control. A front lip spoiler helps to ‘split’ this air, reducing its impact, and creating downforce to keep the car grounded.

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The Subaru WRX STI, a performance-oriented vehicle, can greatly benefit from this additional downforce. The controlled airflow aids in cornering and ensures better grip during high-speed drives. It’s a crucial part of the performance kit to transform your WRX STI into a track-ready machine.

Choosing the Right Front Lip Spoiler Kit

The first step in adding a front lip spoiler to your Subaru WRX STI is selecting the right kit. The market offers a plethora of options, each with its unique features and specifications. However, not all will fit your vehicle model or meet your specific requirements.

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When choosing, consider factors like material, design, compatibility with your car model, and your performance needs. For instance, carbon fiber front spoilers are lightweight, durable, and offer high-performance benefits, but they might be more expensive. Polyurethane or ABS plastic spoilers may be a more affordable option, though they might not offer the same level of performance or durability.

Always ensure that the selected kit is compatible with your WRX STI model. Some kits are designed specifically for certain model years, so read the product specifications carefully.

Installing the Front Lip Spoiler

Once you have the right lip spoiler kit, the next step is the installation process. While it might seem like a daunting task, with the right tools and a bit of patience, you can successfully add a front lip spoiler to your vehicle.

You’ll need a jack to raise the front of your Subaru, a drill for creating mounting holes, and a wrench for securing the bolts. Follow the instructions included in your kit. Typically, you’ll need to align the spoiler with the front bumper, mark the drilling spots, and secure the spoiler with the supplied hardware. Remember, proper installation is crucial for the spoiler’s performance and the safety of your vehicle.

Maintaining Your Front Lip Spoiler

Installing a front lip spoiler is not a "set it and forget it" modification. Proper care and maintenance are necessary to preserve its functionality and aesthetics. Regular checks are essential to ensure the spoiler is secure and in good condition.

Cleaning is also key since dirt and debris can affect the spoiler’s efficiency. Use a soft cloth and a gentle cleanser to avoid scratching or damaging the material. If you notice any damage or wear, it’s crucial to address it immediately. Some issues might require professional repair or even a replacement of the spoiler.

Assessing the Performance Impact

After the installation and maintenance, you need to assess the impact of the front lip spoiler on your Subaru WRX STI’s performance. Take your vehicle for a spin in a safe, controlled environment to feel the difference.

With a properly installed front lip spoiler, you should notice a significant improvement in stability, especially at higher speeds. The car should feel more ‘grounded,’ with better balance in corners. Record your observations and continually assess how the spoiler affects your driving experience.

In conclusion, adding a front lip spoiler to your Subaru WRX STI is a valuable modification to enhance driving performance. From selecting the right kit, through to installation and maintenance, each step is critical. Be prepared to invest time and effort, but rest assured, the benefits in improved downforce and handling will make it a worthy addition to your performance car.

Choosing a Service Provider for Installation

After buying the right front lip spoiler kit, the next big decision is who will install it. If you’re not comfortable doing it yourself, then you have to choose a reputable service provider. Make sure to find someone who specializes in modifying cars like the Subaru WRX STI. Check their credentials carefully and look for customer testimonials before making a final decision.

An expert service provider will not only ensure the safe and correct installation of the front lip spoiler but also guarantee that it will work as it should. They will also give you advice on how to maintain the front lip spoiler to ensure it lasts as long as possible.

Additionally, they will provide after-service support. In case you encounter any problems or need advice on how to maximize the performance of your front lip spoiler, you can consult them. Make no mistake about it, choosing a competent service provider will go a long way in ensuring you get the most out of your front lip spoiler.

The Impact of a Front Lip Spoiler on the Subaru WRX STI’s Resale Value

When modifying your Subaru WRX STI, it’s always a good idea to think about how it will impact the vehicle’s resale value. Adding a front lip spoiler does not only enhance the car’s performance but also its aesthetics. This can potentially make your vehicle more appealing to potential buyers.

A well-chosen and professionally installed front lip spoiler can increase your Subaru WRX STI’s value, provided it’s kept in excellent condition. It’s crucial to remember that modifications like this tend to appeal more to car enthusiasts who understand and appreciate their value. As such, your target market when selling may be somewhat niche.

However, if you’ve chosen a universal lip that can be easily removed and the original front bumper is still in good condition, the car could appeal to a broader market. This versatility could be a selling point.


In summary, adding a front lip spoiler to a Subaru WRX STI is a worthwhile modification for any car enthusiast. It enhances the vehicle’s performance by increasing downforce, which results in better stability and handling.

While the process might seem complicated, it becomes manageable when broken down into steps: selecting the perfect front lip spoiler kit, deciding on the best service provider for installation, and considering the impact on the vehicle’s resale value.

Proper maintenance is also essential. Regular checks and cleaning will ensure that the front lip spoiler remains effective and looking good for a long time.

So, as a Subaru WRX STI owner looking to increase your vehicle’s performance, don’t hesitate to consider adding a front lip spoiler. The process is worth the effort and the benefits are undeniable. Go ahead, make that Subaru WRX STI the best it can be!