The 5 Best Turbochargers for Subaru WRX STI: Boost Your Performance

(Last Updated On: October 4, 2024)

If you've ever felt the thrill of a Subaru WRX STI roaring to life, you know the importance of performance upgrades. The right turbocharger can elevate your driving experience, but with so many options available, how do you choose? From the TRQ Turbocharger to the Bapmic Turbo Charger, each model offers unique benefits that could enhance your vehicle's power and efficiency. As you consider these options, you'll want to weigh various factors to find the perfect fit for your needs—what's the secret to revealing the full potential of your WRX STI?

Quick Takeaways

  • TRQ Turbocharger is compatible with 2015-2021 WRX STI, ideal for performance upgrades with a 2-year warranty.
  • Bapmic Turbo Charger offers solid performance for 2008-2011 WRX STI, featuring a high customer rating of 4.6 stars.
  • Bapmic Turbocharger fits 2008-2013 Forester Turbo and 2008-2014 Impreza WRX, providing water and oil cooling for enhanced performance.
  • Turbochargers can increase horsepower by 20% to 40%, improving acceleration and torque for a better driving experience.
  • Consider compatibility, warranty, and installation complexity when selecting the right turbocharger for your Subaru WRX STI.

TRQ Turbocharger Compatible with 2008-2014 Subaru Impreza 2015-2021 WRX STI

trq turbocharger for subaru

The TRQ Turbocharger is an excellent choice for Subaru enthusiasts, specifically designed for the 2008-2014 Subaru Impreza and the 2015-2021 WRX STI with its H4 2.5L engine. This turbocharger, model TCA15480, weighs 15.67 pounds and measures 12 x 12 x 11 inches, making it a compact yet powerful addition to any Subaru build. With the reference number 14411AA700, it's a reliable option for performance upgrades. TRQ offers a 2-year or 24,000-mile warranty, ensuring quality and customer satisfaction. While the warranty covers product costs, it excludes damage or labor. Available since March 9, 2023, the TRQ Turbocharger is gaining popularity, ranking well among automotive replacement engine turbochargers, making it a solid investment for performance-minded drivers.

Best For: Enthusiasts looking to enhance the performance of their 2008-2014 Subaru Impreza or 2015-2021 WRX STI with a reliable turbocharger upgrade.

Pros:

  • High compatibility with popular Subaru models, ensuring a perfect fit.
  • Robust warranty of 2 years or 24,000 miles, providing peace of mind for buyers.
  • Compact design that fits easily in engine bays without compromising performance.

Cons:

  • Warranty exclusions for labor and damage may lead to additional costs for installation or repairs.
  • Best Sellers Rank indicates limited popularity, which may affect resale value.
  • Manufactured in China, which may raise concerns for some buyers regarding quality control.

Bapmic Turbo Charger Compatible with 2008-2011 Subaru Impreza WRX STI

bapmic turbo charger subaru

For Subaru enthusiasts looking to enhance their 2008-2011 WRX STI's performance, the Bapmic Turbo Charger stands out as a top choice. This RHF55 Turbocharger, specifically designed for the EJ25 engine, promises improved power and efficiency. Weighing 14.74 pounds and measuring 11.89 x 11.81 x 9.8 inches, it's engineered for durability with oil and water cooling. Customers have rated it 4.6 out of 5 stars, reflecting satisfaction with its performance and ease of installation. However, some users wish it included oil feed bango fittings and coolant banjos. Despite minor compatibility issues noted by a few, the Bapmic Turbo Charger remains a reliable option for those seeking to boost their Subaru's capabilities.

Best For: Subaru enthusiasts looking to enhance the performance of their 2008-2011 WRX STI with a reliable turbocharger.

Pros:

  • Improved power and efficiency for the EJ25 engine.
  • Positive customer reviews highlighting ease of installation.
  • Durable design with oil and water cooling features.

Cons:

  • Some users wished for included oil feed bango fittings and coolant banjos.
  • Minor compatibility issues reported with specific vehicle models.
  • Best Sellers Rank suggests it may not be widely recognized compared to competitors.

Bapmic Turbocharger Compatible with Subaru Impreza WRX & Forester XT

bapmic turbocharger for subaru

Designed specifically for Subaru enthusiasts, the Bapmic Turbocharger offers a reliable upgrade for 2008-2013 Subaru Forester Turbocharged Models and 2008-2014 Subaru Impreza WRX (excluding the STi). This turbocharger features the TD04L model and is compatible with the EJ255 engine type. Weighing 12.73 pounds and measuring 11.69 x 9.33 x 8.74 inches, it's designed to fit and function like the original equipment. The Bapmic Turbocharger uses both water and oil cooling for peak performance. Although it currently holds a customer rating of 4.0 out of 5 stars, its best sellers rank indicates a competitive position in the automotive market. With a 30-day return guarantee, enthusiasts can confidently enhance their vehicle's performance.

Best For: Subaru owners looking to enhance the performance of their 2008-2013 Forester Turbocharged Models and 2008-2014 Impreza WRX (excluding STi).

Pros:

  • Designed for a perfect fit, ensuring easy installation and compatibility with the original engine setup.
  • Water and oil cooling system provides improved performance and reliability during operation.
  • Solid customer rating of 4.0 out of 5 stars, indicating general satisfaction among users.

Cons:

  • Limited customer reviews, with only one rating currently available, which may not fully represent the product's performance.
  • Not compatible with STi models, limiting its use for certain Subaru enthusiasts.
  • Best sellers rank of #1,265,564 indicates that it may not be a widely recognized or popular option in the market.

Intake Hose for Subaru WRX and STI (2002-2014)

subaru wrx sti hose 2002 2014

Turbocharger intake hoses tailored for the Subaru WRX and STI models from 2002 to 2014 offer enthusiasts an essential upgrade that enhances performance. Made from high-quality silicone, these hoses are compatible with various Subaru models, including the Forester EJ20 and EJ25. While installation can be a challenge—some users report spending up to six hours without removing the intake manifold—many appreciate the flexibility of the silicone material, which aids in fitting. However, modifications may be necessary for proper fitment, as poorly placed fittings can interfere with the intake manifold. Despite mixed reviews on installation ease, users generally find these hoses to be a budget-friendly option that delivers solid performance for the price, making them worthwhile for Subaru fans.

Best For: Enthusiasts looking for a budget-friendly intake hose upgrade for their Subaru WRX or STI models from 2002 to 2014.

Pros:

  • High-quality silicone material provides flexibility for easier fitting.
  • Generally regarded as a cost-effective replacement option with solid performance.
  • Compatible with multiple Subaru models, increasing versatility.

Cons:

  • Installation can be challenging and may require significant time and effort.
  • Modifications may be necessary for proper fitment, leading to potential frustration.
  • Some users reported poorly placed fittings that interfere with the intake manifold.

Turbo Heat Shield Turbocharger Blanket Wrap Spring for Subaru WRX Titanium

subaru wrx turbo blanket

When looking to enhance heat management for their Subaru WRX STI, enthusiasts can count on the Turbo Heat Shield Turbocharger Blanket Wrap Spring. Manufactured by BSTFLEX, this lightweight blanket weighs just 5.6 ounces and fits a variety of turbochargers, including TD05H and VF series. Crafted from high-quality silicone-impregnated fiberglass, it withstands temperatures up to 2500°F, ensuring durability and performance. The inner shield, made of calcium magnesium silicate wool, further protects against heat and corrosion. Customers have rated it 4.3 out of 5 stars, praising its effectiveness in reducing heat and improving performance. With stainless steel lacing wire and rivets, installation is straightforward, making it a valuable upgrade for any WRX STI owner looking to optimize their vehicle's performance.

Best For: Enthusiasts looking to enhance heat management and performance for their Subaru WRX STI.

Pros:

  • Effectively reduces heat, improving turbocharger performance compared to factory shields.
  • Lightweight design at just 5.6 ounces, making it easy to install without adding significant weight.
  • High-quality materials ensure durability and resistance to heat and corrosion.

Cons:

  • Modification may be required for turbochargers with internal wastegates, which could complicate installation for some users.
  • Limited compatibility as it only fits specific turbocharger models and Subaru engines.
  • Customer ratings indicate some users may require additional fastening materials for optimal performance.

Factors to Consider When Choosing a Turbocharger for Subaru WRX STI

When you're choosing a turbocharger for your Subaru WRX STI, several key factors come into play. You'll want to take into account compatibility with your vehicle model, the performance enhancements it offers, and the complexity of installation. Additionally, don't overlook warranty options and the quality of materials used, as these will impact your overall experience.

Compatibility With Vehicle Models

Selecting the right turbocharger for your Subaru WRX STI can greatly impact performance and reliability. One essential factor to take into account is compatibility with your specific model year. Different engines, like the EJ20 or EJ25, require unique turbo specifications, so you'll need to verify that the turbocharger you choose aligns with your engine type.

You should also pay attention to OEM part numbers, as these can guide you in identifying suitable turbochargers for your vehicle. Some turbochargers are designed exclusively for particular performance trims, which may not fit standard or older models without modifications.

Additionally, verifying the turbocharger's cooling type and installation requirements is significant. Confirming that these aspects match your vehicle's existing systems will not only optimize performance but also assure a proper fitment.

Performance Enhancements Offered

Upgrading your Subaru WRX STI with a performance turbocharger can release significant power and efficiency gains. Turbochargers work by forcing more air into the combustion chamber, which allows for greater fuel combustion and boosts your engine's power output. By making this upgrade, you can expect an impressive improvement in acceleration and throttle response, thanks to reduced turbo lag and more immediate power delivery.

Choosing the right turbocharger can increase your horsepower by 20% to 40% over stock, depending on your engine's configuration and tuning. This enhancement not only translates to a thrilling driving experience but optimizes fuel economy as well. A well-designed turbocharging system will fine-tune the air-fuel mixture, resulting in more complete combustion and better efficiency.

Moreover, performance-focused turbochargers allow for higher boost levels, which means increased torque and overall engine performance in various driving conditions. This gives you the flexibility to tackle both daily commutes and spirited drives with confidence. When considering a turbocharger for your WRX STI, think about these performance enhancements to truly maximize your vehicle's potential.

Installation Complexity Considerations

Considering the installation complexity is important when choosing a turbocharger for your Subaru WRX STI. The installation process can be quite intricate, often requiring specialized tools and a solid understanding of mechanical systems. You might need to remove the intake manifold for better access, which adds to the complexity.

Many turbochargers require modifications, like trimming or adjustments, to guarantee a proper fit. This can greatly increase installation time and difficulty. Using high-quality silicone hoses can improve flexibility, but you may also need to make additional fitting adjustments to avoid interference with surrounding components.

Some users report that installations can take several hours, especially when dealing with fitment issues or compatibility discrepancies specific to your vehicle model. It's essential to confirm proper installation, as an incorrect setup can lead to leaks or reduced efficiency. Following the manufacturer's guidelines and specifications is critical to achieving the best performance.

Warranty and Support Options

After addressing the installation complexities of a turbocharger, it's important to look at warranty and support options. When selecting a turbocharger for your Subaru WRX STI, pay close attention to the warranty coverage. This can vary greatly between manufacturers, with some offering warranties as generous as 2 years or 24,000 miles. However, be wary of warranty exclusions—damages, labor, and inconveniences might not be covered, so read the fine print carefully.

Customer service is another critical aspect. Investigate the manufacturer's responsiveness and support quality for warranty claims. A solid support system can make a big difference if you encounter issues down the road. Additionally, consider the availability of a return policy. A 30-day return guarantee can provide peace of mind if the turbocharger doesn't meet your expectations.

Lastly, gather feedback from other users regarding their experiences with warranty claims and customer support. This can help you gauge the reliability of both the product and the manufacturer. By taking these warranty and support options into account, you'll make a more informed decision and feel confident in your turbocharger choice.

Material Quality and Durability

When selecting a turbocharger for your Subaru WRX STI, the material quality and durability play vital roles in performance and longevity. Turbochargers are typically constructed from high-quality materials like aluminum and stainless steel, which offer durability and resistance to heat and corrosion. These materials help guarantee your turbocharger can withstand the extreme conditions it'll face.

Look for turbochargers that feature heat-resistant coatings on their inner surfaces. This coating allows them to endure the high temperatures generated during operation, further enhancing their lifespan. Additionally, a well-constructed turbocharger will have strong seals and bearings made from durable materials to minimize oil leaks and reduce wear over time.

Heat management is another important factor. Turbo heat shields made from silicone impregnated fiberglass can greatly improve heat protection for other engine components, preventing excessive heat exposure. Finally, remember that proper installation and regular maintenance are vital. Many issues stem from poor material quality or improper handling during setup, which can sabotage your turbocharger's durability. Prioritize these aspects to guarantee you get the most out of your investment and keep your WRX STI performing at its best.

Price and Value Comparison

Choosing the right turbocharger for your Subaru WRX STI can feel overwhelming, especially with a wide range of prices and options available. Prices typically range from around $500 to over $1,000, depending on brand reputation and the materials used. It's essential to evaluate what you're getting for your money. A turbocharger with a solid warranty, like a 2-year/24,000-mile coverage, can greatly enhance the value of your purchase.

You should also pay attention to customer feedback and ratings. Top-rated turbochargers often indicate better performance and reliability, making them worth the investment. Additionally, keep an eye out for discounts or promotions, as these can greatly affect the overall value perception.

Installation complexity is another factor to evaluate. Turbochargers that are easier to install may save you on labor costs and the need for extra parts, ultimately lowering the total expense. By weighing these factors—warranty, customer reviews, pricing, and installation—you'll be better equipped to make an informed decision and find the best turbocharger that meets your needs and budget.

Common Questions

How Does a Turbocharger Improve Fuel Efficiency in My WRX Sti?

A turbocharger improves fuel efficiency in your WRX STI by forcing more air into the engine. This increased air intake allows for a more complete combustion of fuel, maximizing energy output while using less fuel. You'll notice that your engine can generate more power without needing to burn considerably more gasoline. As a result, you enjoy better acceleration and performance, all while maintaining or even improving your overall fuel economy.

What Maintenance Is Required for My Subaru's Turbocharger?

To keep your Subaru's turbocharger in top shape, you need to focus on regular maintenance. Start by checking the oil levels frequently, as clean oil is essential for lubrication. Replace the oil and filter as recommended in your owner's manual. Inspect the air intake and intercooler for any leaks or debris. Also, listen for unusual noises while driving; they could indicate a problem. Regularly scheduled maintenance will guarantee your turbo performs efficiently.

Can I Install a Turbocharger Myself, or Should I Hire a Professional?

Did you know that nearly 60% of car enthusiasts attempt DIY turbocharger installations? If you've got mechanical skills and the right tools, you can tackle the job yourself, but it's no walk in the park. Turbocharging involves precise work, and one wrong move can lead to costly repairs. If you're not confident, hiring a professional might save you time and headaches. Weigh your experience against the complexity before deciding.

Will Upgrading My Turbocharger Void My Vehicle Warranty?

Upgrading your turbocharger could potentially void your vehicle's warranty, depending on the manufacturer's policies. If the upgrade leads to damage or issues, the manufacturer might deny warranty claims. It's essential to read your warranty terms carefully and consult your dealer before making changes. Some dealers allow modifications if done properly, while others don't. Always weigh the benefits of performance against the risk of losing your warranty coverage.

How Can I Tell if My Turbocharger Is Failing?

Is your turbocharger losing its power? You can tell if it's failing by watching for a few signs. Listen for unusual noises like whining or rattling, and pay attention to any decrease in acceleration. Check for excessive exhaust smoke or a drop in fuel efficiency, too. If you notice any of these symptoms, it's time to get it inspected. Don't wait until it's too late—catching issues early can save you money!

Wrapping Up

Upgrading your Subaru WRX STI with one of these top turbochargers can truly elevate your driving experience. For instance, imagine installing the TRQ Turbocharger and immediately feeling the surge in power on your next weekend drive. You'll not only enjoy enhanced performance but also improved fuel efficiency, making every trip more thrilling. So, whether you're on the track or cruising through town, a quality turbocharger can make all the difference in releasing your vehicle's full potential.

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