How Much Power Can You Expect from Subaru Forester Turbo Upgrades? Real Results with Grimmspeed and Hks

The Subaru Forester is a popular choice among SUV enthusiasts, particularly for those who appreciate its blend of practicality and performance. With the option of turbo upgrades, many owners seek to enhance their vehicle’s power output. In this article, we will explore how much power you can expect from turbo upgrades, specifically focusing on products from GrimmSpeed and HKS.

Understanding Turbo Upgrades

Turbo upgrades are designed to increase the engine’s airflow and boost pressure, resulting in improved power and efficiency. For Subaru Forester owners, upgrading the turbocharger can significantly enhance performance, but the results can vary based on several factors.

Key Factors Influencing Power Gains

  • Engine configuration and condition
  • Supporting modifications (exhaust, intake, tuning)
  • Quality of the turbo upgrade
  • Fuel quality and type

GrimmSpeed Turbo Upgrades

GrimmSpeed is well-known in the Subaru community for producing high-quality performance parts. Their turbo upgrades are designed to maximize power while maintaining reliability. Many users report impressive gains after installing GrimmSpeed components.

Power Results with GrimmSpeed

After installing a GrimmSpeed turbo upgrade, Subaru Forester owners typically see power gains in the following ranges:

  • Stock to Stage 1 Upgrade: +30-50 horsepower
  • Stage 1 to Stage 2 Upgrade: +50-70 horsepower
  • Stage 2 with Supporting Mods: +70-100 horsepower

These figures can vary based on the specific model year and the condition of the vehicle. It’s crucial to pair any turbo upgrade with proper tuning to achieve optimal results.

HKS Turbo Upgrades

HKS is another reputable brand that offers turbo upgrades for the Subaru Forester. Known for their engineering excellence, HKS products are designed to provide significant performance improvements.

Power Results with HKS

Users of HKS turbo upgrades have reported the following power increases:

  • Stock to HKS Turbo Upgrade: +40-60 horsepower
  • HKS Turbo with Supporting Mods: +60-90 horsepower
  • Full HKS System (Turbo, Exhaust, Intake): +90-120 horsepower

As with GrimmSpeed, the actual power gains depend on the vehicle’s overall setup and tuning. HKS upgrades are often praised for their smooth power delivery and reliability.

Comparing GrimmSpeed and HKS Upgrades

When considering a turbo upgrade for your Subaru Forester, it’s essential to compare the offerings from GrimmSpeed and HKS. Both brands provide excellent performance enhancements, but there are differences worth noting.

  • Performance: HKS often provides slightly higher peak power gains.
  • Installation: GrimmSpeed upgrades are known for easier installation.
  • Cost: HKS products may come at a premium price.
  • Community Support: Both brands have strong followings and support in the Subaru community.

Real-World User Experiences

Many Subaru Forester owners have shared their experiences with turbo upgrades. Here are some insights from real users:

  • One owner reported a total of 280 horsepower after installing a GrimmSpeed turbo and supporting mods.
  • Another user noted improved throttle response and a smoother driving experience with the HKS upgrade.
  • Several users emphasized the importance of proper tuning to unlock the full potential of their upgrades.

Conclusion

Upgrading the turbocharger on your Subaru Forester can lead to significant power gains, especially when using quality brands like GrimmSpeed and HKS. By understanding the potential results and considering supporting modifications, you can make informed decisions to enhance your vehicle’s performance.

Whether you choose GrimmSpeed or HKS, ensure that you prioritize proper installation and tuning to achieve the best results. Happy driving!