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Top 10 Best Subaru Sti Turbo Upgrade Reviews & Comparison [Update]

We all know that the best subaru sti turbo upgrade is one of many out there. That’s why we’ve taken 29438 reviews from top experts and organized them according to our rankings for you. 

We know how hard it is to find a great subaru sti turbo upgrade, which is why our team went through the whole research process and put up this list for you. These are just some of their favorites!

We have been exhaustive in our search for the perfect subaru sti turbo upgrade of 2025. If quality matters most, then check this list: 

Bestseller No. 2
Agency Power AP-GT2871R-STI Billet Turbo Wheel (Billet 6x6 GT2871R Turbo Upgrade Subaru STI 04-07), 1 Pack
  • Made in United States
  • Package height :5.0 "
  • Package length :9.0 "
  • Package width :9.0 "
Bestseller No. 3
JM Turbo intake Hose Fit Subaru 2002-2007 WRX 2004-2014 STI Forester EJ20 EJ25 Turbo charger
  • DUE TO COVID-19, AMAZON PRIME SERVICE MIGHT BE DELAY OR UNAVAILABLE. IF YOU SEE ITEM IS UNAVAILABLE, PLEASE CALL (626)308-2996 FOR DIRECT SHIP OUT.
  • Brand new turbo charger intake hose
  • Intake hose compatible with Subaru 2002-2007 WRX STI Forester EJ20 EJ25 Intake silicone hose
  • High quality silicone turbo charger intake hose
Bestseller No. 4
IAG Universal Wastegate Bracket For VF, TD04/5, DOM Series Turbos compatible with Subaru 04-20 STI, 09-14 WRX
  • The IAG Performance internal wastegate locking bracket is designed to replace the wastegate actuator and lock the wastegate shut. This is the most versatile method of keeping your wastegate closed when switching to an external wastegate. The CNC machined bracket allows rotation along the compressor housing. This allows fitment across different VF, TD04/5 and DOM series turbos if you should upgrade in the future.
  • The dual spherical bearing linkage makes installation a snap and can be easily reverted to a stock set-up. The center turnbuckle allows you to easily close the wastegate. Turning one direction lengthens the linkage. Turning the other way shortens it.
  • The wastegate bracket is engineered and manufactured at our facility in Westminster, MD. The bracket is machined from a solid piece of 6061 billet aluminum and then anodized black.
  • The linkage is made entirely of steel components and is zinc coated for corrosion protection. Comes with all hardware for an easy installation.
Bestseller No. 5
Genuine Subaru Exhaust Gasket Kit Turbo Manifolds Up Down Pipe WRX STI XT GT OEM
  • Genuine Oem Subaru Sealed items
  • Exhaust Gasket 14038AA000 X2
  • DOWN PIPE Gasket 44022AA180 X1
  • UP PIPE Gasket 44022AA170 X1
  • TURBO Gasket 44022AA150 X1
Bestseller No. 6
maXpeedingrods Turbo Turbocharger TD05-20G for Subaru Impreza WRX STI EJ20 EJ25 2002 2003 2004 2005 2006, Basic VL Series
  • 【Compatible with Vehicle】For Subaru IMPREZA WRX / STI EJ20 EJ25 engine 2002-2006
  • 【Compatible with Engine】For 2.5L 2458CC H4 GAS DOHC Turbocharged, for 2.0L 1994CC H4 GAS DOHC Turbocharged; Horse Power is up to 380 hp
  • 【Turbine Housing & Wheel】The turbine housing made of ductile iron is resistant to high temperatures of 1292°F. And the alloy turbine wheel has high oxidation stability and can operate well at 1652°F
  • 【Aluminum Compressor Wheel】Crafted from premium forged aluminum alloy, featuring an aerodynamic design that improves airflow and compression efficiency. It ensures durability, stability, and enhanced boost response under various driving conditions
  • 【Durable Journal Bearing】The journal bearing is made of copper alloy, which is resistant to high temperature and wear. The simple bearing design makes the turbocharger easier to maintain and more durable
Bestseller No. 7
Upgraded Turbo Turbocharger ,Compatible With Subaru Impreza WRX/STI EJ20 EJ25 2002-2006 ,Compatible With WRX/STI EJ20 EJ25 2.5L 2.0L TD05 20G
  • Efficient Cooling: the automotive water pump is the heart of the cooling system, by circulating the coolant, it ensures that the engine operates at the optimal temperature and extends engine life
  • Low noise: the water pump adopts noise reduction design to provide a quieter driving experience
  • Adaptable: Different types and structures of automotive water pumps are suitable for different car models and cooling needs
  • Basic structure: automobile water pump is mainly composed of water pump housing, connecting disk or pulley, water pump shaft and bearing, water pump impeller and water sealing device. Among them, the impeller is the core component of the water pump work.
  • Compatibility: Upgraded Turbo Turbocharger ,Compatible With Subaru Impreza WRX / STI EJ20 EJ25 2002-2006 ,Compatible With WRX / STI EJ20 EJ25 2.5L 2.0L TD05 20G
Bestseller No. 8
Agency Power AP-VF39GSX-STI Billet Turbo Wheel (Upgrade VF39 Turbo Subaru STI 04-07), 1 Pack
  • Billet Turbo Wheel Upgrade VF39 Turbo Subaru STI 04-07
  • Products like our full titanium Porsche exhausts, Ford Focus ST intercooler, and FRS/BRZ control arms are at the front of the competition
  • Agency Power manufacturers its products only after indepth product testing, racing, and quality checks are completed.
  • Fit type: Vehicle Specific
Bestseller No. 10
2024 Upgrade 550cc Turbo Fuel Injectors 16611-AA720 for Subaru Forester Impreza WRX STI 2.5L
  • High performance fuel injector, meets or exceeds OEM standards, tested before leaving the factory
  • Manufacturer Part Number:16611AA720; Interchange Part Number: 800-1896N, FJ860, M1367, 4G2209; Other Part Number: Impreza STI WRX Forester EJ20 EJ25 EJ255 EJ257 58117N,842-12341N,800-1896N, FJ860, M1367, 4G2209; 297-0013, 058052521,67460, 842-12341, C1000-194564-ND.
  • Made of Metal & composite plastic, improve your O-ring pre-installed, direct replace your vehicle’s original factory component.
  • Our fuel injectors Internal seal rings protected from fuel exposure, minimizing in-use "sticking" for longer-lasting durability.
  • 💡Please double check our pictures and product description to make sure it is what you need before ordering.AFTER-SALE Customer Service: please do not hesitate to contact us. We will do our best to provide you with a satisfactory shopping experience.

How Do We Test Subaru Sti Turbo Upgrade 

If you’re looking for an unbiased opinion on any product, we’ve got your back. Our reviews are rigorous and thorough – taking all factors into account, including design, features, price-to something else that matters most in making an informed decision before purchasing one of these items!

Factors to Consider Before Purchasing Subaru Sti Turbo Upgrade

What’s the point of a buying guide if you don’t know what factors to consider before purchasing subaru sti turbo upgrade?

  • Satisfy your need
  • Features & Specifications
  • Quality & Durability
  • Brand Value
  • Customer Reviews & Ratings
  • Price
  • Customer Service

You may be wondering why you need to consider some factors about a subaru sti turbo upgrade before purchasing. It’s because there are so many things that can go into making your decision, and knowing all of them upfront will help keep any surprises later on in life!

What’s The Best Place To Purchase Subaru Sti Turbo Upgrade

Online shopping is the way of 2025, and if you want to make sure that your purchase will be an excellent one, then there’s no better place than online. You’ll have access to so many more products in different shapes, sizes, colors, and flavors brands with unbeatable prices.

There are so many different options when it comes to choosing a new subaru sti turbo upgrade, and we truly believe that you should do your research before making such an important purchase. The questions might include:

  • Should I buy a new, used, or refurbished subaru sti turbo upgrade?
  • Do you really need the high quality subaru sti turbo upgrade there is?
  • What are must-have features for subaru sti turbo upgrade?
  • Best time to buy a subaru sti turbo upgrade?
  • What are the benefits of buying subaru sti turbo upgrade?
  • Why is it critical to invest in a good in today’s market, particularly the best one?

In our opinion, investing in a good, high-quality subaru sti turbo upgrade will make you feel confident about your purchase. You can tell that the company put effort into making sure it was top-notch and took their time with designing everything from packaging to graphics for marketing purposes because this makes them seem more reliable than competitors who don’t invest so much money on these things (especially if they’re cheap). Plus, having quality materials ensures longevity which is always nice. 

Tips For Being A Smart Online Shopper

When shopping for a product online, be sure to read the reviews before making a purchase. This can give you a good idea of what to expect from the product and can help you decide if it’s the right fit for your needs. Additionally, be sure to check the return policy and shipping times before buying anything. This way, if you’re not happy with the product, you can easily return it without any hassle. And if you need the product quickly, you’ll know that it will arrive in a timely manner.

When looking for a subaru sti turbo upgrade, be sure to compare prices from different retailers. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want.

These are just a few things to keep in mind when shopping for a product. By taking the time to consider your needs and doing your research, you can be sure you’re getting the best possible product for your needs. And if you have any questions, be sure to contact customer service or the retailer before making your purchase.

FAQs About Best Subaru Sti Turbo Upgrade

What is More Important: a Good Product or a Good After-sales Service?

When it comes to choosing a subaru sti turbo upgrade, many people prioritize the quality of the product itself. However, after-sales service can be just as important, especially if something goes wrong with the product. So when it comes to choosing a product, it’s important to weigh both factors and decide which is more important to you. If quality is your main concern, be sure to choose a product that comes from a reputable brand and has good reviews. However, if you’re more concerned with after-sales service, be sure to choose a product from a company that offers excellent customer service. 

How to Save Money When Buying Online? 

When shopping for a subaru sti turbo upgrade online, there are a few things you can do to save money. First, be sure to compare prices from different retailers before making a purchase. This way, you can be sure you’re getting the best deal possible. Additionally, be sure to read the fine print before making any purchase, as some retailers may have hidden fees or charges. By taking the time to do your research, you can be sure you’re getting the best possible deal on the product you want. Additionally, you can also sign up for Amazon Prime, which gives you access to exclusive deals and free shipping on many items. So if you’re looking for the best possible deal on Amazon.

Bottom Line

We’re always looking to improve the way in which we give you access, so be sure not to miss out on all of our great updates by visiting us online right now.

We’re here for you. We’ll help answer any questions or concerns about the subaru sti turbo upgrade as long as they don’t involve technical details like how it works in a general sense! If there’s anything else on your mind, please let us know because someone will be happy to assist immediately-we want this process easy and breezy.

As a prospective buyer, it’s important that you research the product thoroughly before purchasing. There are many online forums where people can share their knowledge and experiences with different products in order to help guide your decision on what is best for yourself.

With our guide, you can find the best subaru sti turbo upgrade available on the e-commerce market. We make use of Big Data and AI data to compile this list, so it is highly accurate.

The process of creating this content was challenging, but our team persevered through it to bring you the best possible results. We read user reviews and looked at what buyers think about each product so that your buying experience will be satisfying.

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