Forester Turbo Upgrade Sizes: 18g, 20g, and Gtx Series for Optimal Performance

The Subaru Forester is a popular choice among car enthusiasts and off-road adventurers alike. One of the key components that can significantly enhance its performance is the turbocharger. In this article, we will discuss the various turbo upgrade sizes available for the Forester, specifically the 18G, 20G, and GTX series, and how they contribute to optimal performance.

Understanding Turbocharger Sizes

Turbochargers are categorized by their size, which directly influences their performance characteristics. The size of the turbo affects the amount of air it can compress, which in turn affects the engine’s power output. In the context of the Forester, the 18G, 20G, and GTX series represent different sizes and performance capabilities.

18G Turbo Upgrade

The 18G turbocharger is often seen as an excellent upgrade for those looking to improve their Forester’s performance without going overboard. This turbo is known for its balance between power and reliability.

  • Power Output: Typically increases horsepower by 30-50 HP.
  • Boost Threshold: Offers quicker spool times for better low-end torque.
  • Ideal for: Daily drivers and light off-road enthusiasts.

Benefits of the 18G Turbo

The 18G turbocharger provides a noticeable improvement in acceleration and throttle response. It is particularly well-suited for those who want a reliable upgrade that enhances everyday driving without sacrificing comfort.

20G Turbo Upgrade

The 20G turbocharger is a step up from the 18G, offering increased power and performance. It is favored by those who seek a more aggressive driving experience.

  • Power Output: Generally boosts horsepower by 50-70 HP.
  • Boost Threshold: Slightly higher spool time compared to the 18G.
  • Ideal for: Performance enthusiasts and those who participate in motorsports.

Benefits of the 20G Turbo

The 20G turbocharger allows for more aggressive tuning and can handle higher boost levels. This results in improved top-end power and overall performance, making it a popular choice for serious performance upgrades.

GTX Series Turbo Upgrade

The GTX series turbos represent the pinnacle of turbocharger technology for the Subaru Forester. These turbos are designed for maximum performance and efficiency.

  • Power Output: Can increase horsepower by 70 HP or more.
  • Boost Threshold: Features advanced technology for quicker spool times.
  • Ideal for: Track racing and high-performance builds.

Benefits of the GTX Series

The GTX series turbos offer superior performance, efficiency, and reliability. They are engineered to provide maximum airflow and reduced turbo lag, making them ideal for competitive racing and high-performance applications.

Choosing the Right Turbo for Your Forester

When selecting the appropriate turbocharger for your Subaru Forester, consider your driving style, performance goals, and how you plan to use your vehicle. Each turbo size has its advantages, and the right choice depends on your individual needs.

  • Daily Driving: The 18G is a solid choice for improved performance without excessive modifications.
  • Performance Enthusiasts: The 20G turbo offers a great balance of power and drivability.
  • Competitive Racing: The GTX series is designed for those who demand the highest levels of performance.

Conclusion

Upgrading the turbocharger on your Subaru Forester can lead to significant improvements in performance and driving experience. Whether you choose the 18G, 20G, or GTX series, each option provides unique benefits tailored to different driving needs. Assess your goals and preferences to make the best choice for your vehicle.