WRX STI Exhaust: Invidia vs. Cobb Tuning

Comparing Invidia and Cobb Tuning Exhaust Systems for WRX STI===

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If you’re a proud owner of a Subaru WRX STI and looking to upgrade your exhaust system for improved performance and a more aggressive sound, you’ve likely come across two popular options: the Invidia and Cobb Tuning exhaust systems. Both of these aftermarket exhaust systems have their own unique benefits and features, but which one is the best choice for your WRX STI? In this in-depth comparison, we will explore the performance boost, sound quality, installation process, price and value, as well as customer reviews, to help you make an informed decision.

Performance Boost: Invidia vs. Cobb Tuning Exhausts on WRX STI

When it comes to enhancing the performance of your WRX STI, the exhaust system plays a vital role. The Invidia and Cobb Tuning exhausts are both designed to maximize airflow and reduce backpressure, resulting in increased horsepower and torque. However, there are slight differences in their designs and construction that can affect their performance gains.

The Invidia exhaust system features high-quality stainless steel construction, mandrel-bent tubing, and precision welds. Its unique design incorporates a high-flow catback, providing a noticeable increase in power throughout the RPM range. On the other hand, Cobb Tuning offers a range of exhaust options, including both catback and turboback systems. These systems are constructed with premium materials and utilize smooth bends for efficient exhaust flow.

In terms of dyno-tested performance gains, both Invidia and Cobb Tuning exhausts have shown significant improvements in horsepower and torque. However, some users have reported experiencing slightly better performance gains with the Cobb Tuning exhausts, particularly with their turboback systems. Overall, both brands offer impressive performance enhancements that will undoubtedly elevate the driving experience of your WRX STI.

Sound Quality Showdown: Invidia or Cobb Tuning Exhausts for WRX STI?

One of the most appealing aspects of upgrading your exhaust system is the ability to achieve a more aggressive and exhilarating sound. The Invidia and Cobb Tuning exhausts provide distinct sound profiles that cater to different preferences.

The Invidia exhaust system is known for its deep and throaty tone, accentuating the signature boxer engine rumble of the WRX STI. It strikes a balance between daily drivability and sporty acoustics, making it an ideal choice for enthusiasts who want a noticeable upgrade without excessive noise during highway cruising. The carefully engineered design ensures that the sound output is refined and pleasing to the ears, both inside and outside the vehicle.

On the other hand, the Cobb Tuning exhausts deliver a more aggressive growl, especially at higher RPMs. The increased diameter of the piping and the resonated design contribute to a louder and more pronounced exhaust note. If you enjoy the attention-grabbing roar that demands respect on the road, the Cobb Tuning exhausts are sure to satisfy your craving for a more spirited sound.

Ultimately, the choice between Invidia and Cobb Tuning exhausts comes down to personal preference. If you prefer a slightly more refined and mellow exhaust note, the Invidia system may be the ideal choice for you. However, if you want a more aggressive and bold sound that turns heads wherever you go, the Cobb Tuning exhausts will undoubtedly deliver.

Installation Guide: Invidia vs. Cobb Tuning Exhaust Systems on WRX STI

Installing a new exhaust system on your WRX STI may seem like a daunting task, but fear not! Both Invidia and Cobb Tuning provide detailed installation instructions and include all the necessary hardware for a smooth and hassle-free installation process.

The Invidia exhaust system is designed with a direct-fit configuration, meaning it is tailored specifically for the WRX STI, ensuring a precise fit and easy installation. The provided instructions guide you through the process step-by-step, making it accessible for even DIY beginners. With basic hand tools and some patience, you can have the Invidia exhaust system installed in a reasonable amount of time, typically within a couple of hours.

Similarly, Cobb Tuning exhausts are also engineered for a straightforward installation. Whether you choose a catback or turboback system, the instructions provided by Cobb Tuning are clear and concise, allowing you to complete the installation with relative ease. The use of high-quality clamps and hardware ensures a secure and leak-free fitment, giving you peace of mind.

It’s important to note that while these exhaust systems can be installed at home, it is recommended to have a professional perform the installation for optimal results. Their experience and expertise will ensure that the exhaust system is correctly aligned and properly sealed, minimizing the risk of any issues down the line.

Price and Value: Invidia vs. Cobb Tuning Exhaust for WRX STI

Now, let’s dive into the pricing and value aspect of the Invidia and Cobb Tuning exhaust systems. As with any aftermarket upgrade, cost is an essential factor to consider.

In general, Invidia exhaust systems tend to be priced slightly lower in comparison to Cobb Tuning systems. This affordability, however, doesn’t compromise the quality and performance. Invidia has established itself as a reputable brand known for delivering exceptional value for the price. With their high-quality materials and superb craftsmanship, the Invidia exhausts offer great bang for your buck.

On the other hand, Cobb Tuning exhausts are positioned in the higher price range. The brand’s reputation for producing top-tier performance products is reflected in their exhaust systems’ price tags. The added premium comes with the assurance of unrivaled engineering and attention to detail, as well as the potential for greater performance gains for serious enthusiasts.

When deciding between Invidia and Cobb Tuning, it ultimately comes down to your budget and level of performance expectations. If you’re looking for a cost-effective solution that still delivers excellent performance and sound, the Invidia exhaust system is a fantastic choice. However, if you’re willing to invest in a higher-end exhaust system that brings out the full potential of your WRX STI, the Cobb Tuning exhausts are worth the extra investment.

Customer Reviews: Which Exhaust System is Best? Invidia or Cobb Tuning

To gauge the overall customer satisfaction and performance of the Invidia and Cobb Tuning exhaust systems, let’s take a look at some real-world reviews and feedback from WRX STI owners who have installed these aftermarket exhausts.

In general, both Invidia and Cobb Tuning receive overwhelmingly positive reviews from customers. Owners rave about the noticeable improvements in performance, with increased horsepower and torque making a significant difference in their driving experience. Additionally, customers appreciate the robust construction and durability of both exhaust systems, ensuring long-term reliability.

For the Invidia exhausts, customers often praise its refined sound that enhances the naturally aggressive note of the WRX STI engine without becoming obnoxious during daily driving. The ease of installation is also frequently mentioned, with many DIY enthusiasts completing the installation without any issues.

Cobb Tuning exhausts receive similar acclaim, with customers loving the deep growl and the attention-grabbing sound they produce. Users particularly commend the Cobb Turboback systems for the remarkable performance gains they provide, transforming the WRX STI into an even more formidable machine.

When it comes to customer reviews, it’s important to consider individual preferences and expectations. Some users may prefer the subtle and refined sound of Invidia, while others may lean towards the more aggressive and booming note of Cobb Tuning. Ultimately, both exhaust systems garner high praise and satisfied customers, making them reliable choices for WRX STI owners.


In the battle between Invidia and Cobb Tuning exhaust systems for the Subaru WRX STI, there’s no clear winner. Both brands offer exceptional performance enhancements, distinctive sound profiles, and effortless installations. The decision ultimately comes down to personal preference, budget, and the desired level of performance gains.

If you’re seeking a cost-effective yet high-quality option that delivers impressive results, the Invidia exhaust system is a fantastic choice. Its refined and pleasing sound, combined with noticeable horsepower and torque gains, will undoubtedly elevate your driving experience.

On the other hand, if you’re willing to invest a little more for a premium exhaust system that prioritizes performance and an aggressive sound, the Cobb Tuning exhausts are worth considering. With their reputation for excellence in engineering and their ability to unlock the full potential of the WRX STI, these exhausts are sure to leave a lasting impression.

Whichever exhaust system you choose, whether it’s the Invidia or Cobb Tuning, you can rest assured that your WRX STI will experience an incredible transformation that will make every drive a truly exhilarating experience. So, take the plunge, unleash the beast within your WRX STI, and enjoy the thrill of the road like never before.