Best turbo upgrade for 2015 sti. Capable of producing 400hp and retaining excellent throttle response, the COBB 20G is a perfect turbocharger for street or track use! Upgrade your Subaru WRX or STi with the Boost Lab TD05H-20G Billet Turbocharger. 5-liter Boxer engine take well to modifications. Looking to upgrade my turbo on my 2015 STI. Our selection of turbochargers offers enhanced power, reliability, and durability for both street and track use. Here at Boost Controlled Performance the FBO E85 (full bolt on’s with E85) is one of our more popular performance packages. Direct-fit turbos for WRX, STI, Forester XT, and Legacy 2. . Enhance performance with faster spool times and increased horsepower. 5 Dominator, but I want to know what else is around. Perfect for street and track use. TDO4 Upgrade Option 50x 62 x 65 Billet Compressor Wheel TDO4HL 45 x 50 9 Blade TDO4 TDO4H TDO4L TDO4HL Upgraded Turbo Rebuild Kit Here are Larger Turbo Upgrade Options That We Build Brand New. Jan 29, 2025 · Anyhow, build PROPERLY an STi isn't CHEAP at all, and once you pull the trigger, there is no coming back. I'm build planning ahead for my 2006 STI when I get one. For even greater power, consider the BL58XR for up to 770HP. Upgrade your 2015-2021 Subaru WRX FA20 with the Boost Lab TD06SL2-54X Turbocharger, rated for 500HP. The goal for this build is to make some good power, so Oct 18, 2016 · Depending on where your car is at with mods it's easier to tweak a few corners of these cars for more power. One-stop-shop for Aftermarket, JDM, accessories, & OEM replacement parts & more for your late model Subaru WRX and STI. Find everything you need for the exhaust system on your 2015-2021 Subaru WRX STI at Submods. but the wording left a lot of room for discussion. ETS Rotated Turbo Kit $3,095. DETAILS: Subaru’s Impreza WRX and STI arrived stateside ready for boost. I am wondering what turbo (yeahI know) you guys recommend for my application in order to get around 365whp, which is my current goal. Oct 4, 2021 · Learn how to build a 350whp Subaru WRX 2. Considering your goals and application will help you select the perfect turbocharger to propel your vehicle's performance to new heights. Fully TIG welded thick wall construction ensures a no cracks or Jan 25, 2009 · What is the Forum's opinion on the best Bolt-on Turbo for efficiency, low end torque and reliability? I'm leaning towards the Blouch Dominator 2. (alongside a proper tune, have been on an ots tune) I am looking for any recommendations for new aftermarket turbos for a base 16 WRX. My 05 STI was TopSpeed RR1 motor, 35r, FMIC, meth spray and made 550whp. Oct 19, 2016 · Reason im looking for different turbo is because i dont want stock turbo to turn into blow dryer, can somebody tell the max efficient boost for stock vf48? I think you should just do some basic bolt ons and get a a proper tune before you start thinking about any turbo upgrades. But what turbos do you upgrade to and swear by? I got the basic td04 but soon I'll be upgrading. Full-Race offers a broad range of solutions for your Subaru. Meanwhile, if you want the most power out of a turbo mod, better replace your turbo with a custom, hybrid or electric unit. STI’s need even more upgrades like fuel rail lines and bigger injectors to push higher hp This is the factory turbocharger that came equipped in the Subaru WRX STI from 2008-2019 models and makes for a nice upgrade over the factory turbocharger. I don't want to go larger so OEM might be the best option but I know sometimes price or warranty can be much better Oct 18, 2016 · Depending on where your car is at with mods it's easier to tweak a few corners of these cars for more power. Simply plug this device into your car’s OBD port and you have the capability to reflash the ECU to enjoy power gains, custom features, and other improvements immediately! All of the off the shelf maps are Oct 25, 2007 · Reason im looking for different turbo is because i dont want stock turbo to turn into blow dryer, can somebody tell the max efficient boost for stock vf48? Feb 26, 2020 · IHI has been making the factory equipped STI turbo for years now. Oct 20, 2016 · Currently I'm thinking Stage 2 + TMIC + SteamSpeed STX stock location turbo. It's a bare minimum intercooler Oct 21, 2016 · "Best Turbo upgrade for stock Sti?" The answer might well be none . The exceptional spooling, improved throttle response The COBB TD05H-20G is an ideal turbo upgrade for those looking to increase the top-end power of their STI while maintaining low and mid-range response. 440whp/443wtq - NASIOC Have been doing a ton of turbo research and have been obsessed with the twin scroll set ups. The TD05/20G with the 8cm hotside was one of my favorite setups. Explore high-performance parts! The AVO TGV Delete is a direct replacement for the entire standard TGV assembly. The only thing that not functional is AVCS since it still using the WRX wiring. Sep 20, 2012 · I have been following this thread pretty closely: Next Gen is here: Full-Race/Borg-Warner EFR7163 in stock location. Spooled like stock, had more power everywhere, didn't die up top. My last turbo Subaru ('07 WRX TR) had a built motor, small cams, and a TD05 20G with both 93 and 100 octane maps. The Full Race turbo kit is DISCONTINUED and replaced with the STI Turbo kit linked above. Being able to pass ambient air through a cooling device sitting on top of a hot engine definitely makes the intercooler work much better. Quite a variety of turbo kits are available, depending on what you are driving and what level of power you desire. 0. Subimods offers the widest selection of the best aftermarket parts & modifications available to improve this already great platform! With top brands like GrimmSpeed, Kartboy, Perrin, Cusco, FactionFab, ETS & more, you'll find quality aftermarket Jun 13, 2015 · Sebastian’s 2015 STI is a very clean example of what the stock STI turbo is capable of producing. Like the X500 turbos, we’ve combined an unparalled quick-spooling turbo matched with high volume airflow. 2015-2021 STI Mods, Aftermarket & Replacement Parts The fourth generation Subaru STI is the perfect depiction of sport-style rawness in a sedan. Nov 8, 2023 · WRX and STI intercoolers are top mounted from Subaru. Designed for optimal street and track performance, this turbo features a 6-blade billet compressor wheel and upgraded thrust bearing for unmatched durability. This turbo kit is hands down the best on the market delivering huge power potential and made in USA. With aftermarket options from renowned producers like Garrett, BorgWarner, and Blouch Turbo, you can improve your stock turbo. Edit: Lol just realized you have an STI, it literally might be more cost effective to just trade in for something else. Ensure you are doing things properly to avoid wasting time and money! Find the top 2020 Subaru Wrx-sti 2020 Subaru Wrx-sti Turbos Upgrades mods and upgraded aftermarket parts at competitive prices at Subispeed Oct 21, 2016 · "Best Turbo upgrade for stock Sti?" The answer might well be none . The COBB 3-Port Boost Solenoid (BCS) is an excellent upgrade for modern turbocharged vehicles, enabling precise boost control in a tidy package that is easy to install and tune. com help you get the most out of your Subaru WRX or WRX STI with Subaru power packages that include all the parts you’ll need. But they're not doing you any favors with that puny, plastic tanked design on top. It seems to be the best Turo upgrade right now. ETS Subaru 15+ STI T4 Twin Scroll Turbo Kit Extreme Turbo Systems From $5,345. Turbo includes everything you need to install Feb 24, 2025 · Subaru WRX/STI mods that elevate performance and reliability. Elevate your power game with Subaru STi Performance Parts - Turbo Upgrades. High compatibility with popular Subaru models, ensuring a perfect fit. My 05 LGT was 20g, FMIC, fuel, CAI and made 405 whp. 5L Turbo) Feb 8, 2017 · Hey everyone, I have upgraded the 07 WRX quite a bit in the past couple years, although it's been a slow process since 2008. Robust warranty of 2 years or 24,000 miles, providing peace of mind for buyers. From air/oil separators to upgraded BPVs/BOVs, discover proven upgrades for your build. ) This 20G turbo kit includes all the necessary hardware and gaskets for installation, making it a straightforward way of increasing overall performance and getting the most out of your Subaru WRX STI. Any personal experiences with this turbo? The Precision Bolt-On Turbo Upgrade Gen2 CEA is designed for the Subaru WRX 2002-2007, WRX STI 2004-2021, and Forester XT 2004-2007. Learn all about different turbo types, benefits, and more. We do the TDO4HL Upgrade For $550 (50x62x65 bcw and 45 52 9 Blade TW). Transform your WRX's performance today! Oct 18, 2016 · I am having an inner struggle about whether to modify my '15 STI or not since I have the 100k bumper-to-bumper powertrain warranty and I am realllly worried about ringland or rod failure. 5" Front Mount Intercooler Upgrade 200-30-IC-015 for the 2015-2021 Subaru STI at Vivid Racing. Dec 30, 2019 · How reliable are the 2020 STi internal upgrades when it comes to modding? Factory 2. I’m pushing 419 whp on my 19 stock block e60. Find the perfect Extreme Turbo Systems parts for your Subaru, with 0% financing! Jul 19, 2023 · Get ready to take your Subaru's performance to the next level with turbocharging upgrades. Purchase quality upgrades for power, handling, and reliability! Jan 26, 2009 · I'm not planning on maxing out the turbo until I upgrade the engine internals but I should be able to get some nice power increases with stock for now, right?! Its true that our STi's have their own boost controllers that should be adjustable by the tuner correct or should I be investing in a new one? The X400 Turbocharger is the best mild stock turbo upgrade you can find for EJ-power Subarus. Preferably, one that sits in the OEM location, most efficient use of oil possible (if there is), compatible with COBB 3' downpipe, and capable Product page for COBB 20G Turbo Upgrade Kit for All Subaru WRX STI. Jan 25, 2009 · What is the Forum's opinion on the best Bolt-on Turbo for efficiency, low end torque and reliability? I'm leaning towards the Blouch Dominator 2. -TiAL external wastegate. Oct 18, 2016 · Depending on where your car is at with mods it's easier to tweak a few corners of these cars for more power. Credit to awenthol for "Replace All Things" I use it a lot I'm putting IAG back in here. It is by far the best stock-location Subaru turbo on the market. It won't really matter on a roll as it's much easier to retain boost pressure and higher rpm. Upgrade your Subaru’s performance with WRXDaily’s premium WRX performance parts. -Dump tube. The 20 G will give you a nice pool but has more legs than the stock turbo. Headers also make the EJ25 sound amazing! As you make more power with the STI the stock fuel system starts to reach its limits. The engine is fully modded to include an FP Red turbo. We have all the parts you need for your Subaru such as Blow Off Valves, Boost Controllers, Lines, Fittings, Superchargers, Turbo Blankets, Turbochargers, Turbo Kits, Turbo Timers, Wategates, and more. 400 - 600 HP. 5L Turbo) Mar 25, 2012 · 2015 STi: Still Stock 04 STi, 04 WRX: SOLD Reply Like G gfleshman804 Discussion starter The Extreme Turbo Systems 2015+ Subaru STI Twin Scroll Turbo Kit is designed to give you the broadest powerband without sacrificing performance by using the latest turbocharger technology from Borg Warner, Garrett or Precision Turbo. It's nice that Subaru keeps a functional hood scoop on these cars. We have come up with this list of best STI turbo using several important parameters such as capacity and brand reliability to show which ones stand out. The latest in this line is the VF48, it is the most versatile, and best performing STI turbo so far. By using the latest turbocharger technology from Borg Warner, Garrett or Precision Turbo matched with the ETS header and up pipe this is hands down the best turbo kit currently on the market for the STI. Sep 23, 2015 · A fellow local Subie owner has a WRX swapped with a full STI drivetrain. Jan 30, 2016 · Looked at a lot of threads and a lot of people use a lot of different turbos for their sti and wrxs. Designed to work with the factory exhaust manifold flange for a direct bolt-on fit, Precision’s GEN2 55mm factory upgrade turbocharger is the perfect choice for those looking to boost their performance without breaking the bank! Apr 16, 2008 · Most responsive turbo setup for 500whp on an STI? Factory 2. 16g 18g 20g MAP EF3 EF4 Turbo Upgrade Options. -TiAL blowoff valve. Mar 23, 2015 · Best Stock Location Turbo for 15 STI Factory 2. Therefore, picking the best turbo for WRX STI will ensure that you get the best out of your vehicle. Shop catback & axle-back exhausts, downpipes, gaskets, tips & more. Subaru STI, Legacy GT, WRX Turbo Upgrade Options We Also Build Larger Turbos 16g, 20g, and Larger For $750 without Wastegate or set up for External Wastegate and $850 with an Internal Wastegate Actuator. Fast forward 10+ years and I bought a 2020 STI brand new at the beginning of the pandemic fun. 5L Turbo) Jan 31, 2017 · Best DD turbo upgrade for 2005 STi Jump to Latest 24K views 23 replies 16 participants last post by blurred Feb 27, 2017 CKomonosky Discussion starter Choose the Blouch TD5H-16GXT 7cm turbocharger with the billet wheel. The ID1300 is the ideal injector for any STI planning to make up to 650hp on gasoline or 550hp on e85. Nov 24, 2006 · You do realize that the stock turbo can't hold boost all the way to redline, right? It's not the bpv, unless you get a larger turbo, you can't hold boost to redline. He is These are the typical results you can expect when modifying your 2004-2021 STI. What do you suggest? Boost your Subaru EJ engine's power with our performance turbochargers. This narrow pipe creates back pressure & reduces exhaust flow leaving your car short of its true power potential. I had a protune on one from P&L in Chicago. -Pulsar turbocharger. . Boost performance, enhance speed, and take your driving experience to the next level. 0-liter Boxer engine and the higher output WRX STI variant and its 2. 0-liter motor is an amazing high-tech power plant with a huge capacity for increased performance. With a stock inlet size, it truly is a bolt-on unit. Upgrade your Subaru WRX or WRX STi with the Boost Lab TD06SL2-20G Billet Turbocharger, delivering 450hp on pump gas. 0L with tuning, intakes, exhaust upgrades, E85 fueling, intercoolers, chargepipes, and more. Find the top 2015 Subaru Wrx-sti 2015 Subaru Wrx-sti Turbos Upgrades mods and upgraded aftermarket parts at competitive prices at Subispeed Aug 31, 2007 · The turbo experts at Blouch Performance have teamed up with Garrett Performance Turbo to bring you cutting edge Garrett GT efficiency and ball bearing response in a bolt-on package for your WRX/STi complete with stainless steel turbo oil feed line and steel oil drain tube and coolant lines. Offering 400hp on pump gas and up to 500hp on race fuel or E85, this turbo is perfect for street and track use. Hardest part to change on the STi. If you want to make more power in the Mitsubishi Evolution, the Tomei ARMS M796 turbocharger would make a great upgrade. I first wanted to get a Blouch 1. There are a lot of different ways to shave lap times, increase Apr 21, 2016 · Subaru STI WRX Legacy GT Turbo Upgrade. My question is, does anyone on this forum have any experience with the 2015+ WRX and an upgraded turbo? If so, what are these experiences as far as what was required as far as mods, WHP over baseline, and reliability concerns. My 08 STI was basically stage 2 with a couple other goodies and made 318whp. Apr 20, 2016 · 600+ HP with a stock location turbo on a 2015 STI Proven Power Bragging Those planning to upgrade their turbo to something larger than OEM should consider using the ID1300xds injectors linked above. That would end up costing me as much as one of these kits. Explore Boost Lab’s high-performance Subaru turbocharger upgrades for WRX and STi models. What is the best STI turbo upgrade? Bapmic is the best brand for WRX STI turbo as this brand has set itself apart in the world of automobile A grimmspeed fmic and boostlabs turbo should be all you need really as far as bolt ones, probably an STI trans swap as well. Detailed List, Steps, and Prices (and all the small things) Built Motor Discussion Jan 11, 2006 · Here is your complete guide to getting more horsepower from your WRX motor. May 10, 2016 · Built 500AWHP STI. 5R or maybe the 2. Designed to work with the factory exhaust manifold flange for a direct bolt-on fit, Precision’s GEN2 55mm factory upgrade turbocharger is the perfect choice for those looking to boost their performance without breaking the bank! Upgrading to a Turbo back exhaust and headers will net 15-20% increase in power simply by allowing the engine to exhale do to the lower exhaust back pressure. Anyone else have any suggestions? The VF48 turbocharger is the factory turbocharger for the 2008-2019 STI models and is available for those of you who either need a direct replacement or for those of you who want to perform an upgrade using genuine Subaru components. I've put over Jul 18, 2010 · Best turbo for an sti and makes a good 400+ whp Factory 2. Otherwise it is the hardest damn thing t shoehorn into place ever. I Here are Larger Turbo Upgrade Options That We Build Brand New. Shop top STI mods at JDMuscle! Apr 14, 2025 · Maximize your WRX's potential with aftermarket turbo upgrades. The factory internals can only handle about 350whp, and the factory turbo can hit these power levels, so if you want to upgrade the turbo and push more power there are some serious considerations. wanna stay under 1500 so what do u guys think the best turbo would be for my price range? Find the top 2019 Subaru Wrx-sti 2019 Subaru Wrx-sti Turbos Upgrades mods and upgraded aftermarket parts at competitive prices at Subispeed Here is our top ten list for modifications you need to do to your 2015-2021 Subaru WRX & STI. The Garrett GT Ball Bearing GT3071R, quite possibly the fastest spooling and most responsive 450+HP capable turbo on the planet now available in a drop-in package for the Subaru WRX/STI! The easy to implement turbo assembly that takes no more than 1-2 hours to install in place of the stock journal bearing VFXX unit is made possible by a high flowing GT inspired ATP exhaust housing and a series Apr 6, 2025 · JD Muscle: Unlock More Power with Premium WRX STI Aftermarket Parts Transform your Subaru WRX STI with high-performance aftermarket parts from JD Muscle. This would be rather stupid though. HP Rating: 630HP. 2004-2021 Subaru STI Gen2 55mm Precision Ball Bearing Drop-In Turbo Upgrade HP Rating 555HP. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. Nov 9, 2005 · I bought and 06 STi and was wondering, what would be the best turbo upgrade? Should i go HKS or GReddy? The GReddy is fairly new but i've read an article about it. Explore our collection of top-tier upgrades designed to maximize performance. Not worth the headache and frustration IMHO. Ideal for both street and track use. Anyone else have any suggestions? UPDATE: The Twin Scroll ETS turbo kit for the STI/EJ25 is now the #1 option for any high-end STI build looking for the best of the best. I had two used 2005 STIs in the past that used accessports and full exhausts along with some other basic performance upgrades. Not only does it remove the Tumble Generator Valve, it’s also been designed to give more space for larger turbochargers, such as the AVO 3055 Black Series. Dec 21, 2011 · Forgive my ignorance, but what exactly are my options? I do eventually plan to do this and have looked at some available options. 00 Subaru STI 2004 - 2007 Subaru WRX 2002 - 2007 Engine : EJ20, EJ25 Add to Cart Sale Order the Extreme Turbo Systems Silver Core 3. Its a wrx not an sti, the stock turbo is more than capable of maxing out the stock block. Accessport Looking for Subaru STI performance parts? It all starts with the Accessport! The Accessport is the world’s best selling, most flexible ECU upgrade solution for your STI. 8mm Wheel (TD05H) 640 The X500+ Turbocharger is the ultimate stock location solution for EJ-power Subarus. Best For: Enthusiasts looking to enhance the performance of their 2008-2014 Subaru Impreza or 2015-2021 WRX STI with a reliable turbocharger upgrade. If you are pulling the turbo or IM or already going to town, then sure. Unlock greater power and performance in your Subaru WRX and STI with our selection of high-performance turbos. 5L Turbo) Sep 6, 2023 · Popular Turbo Brands: Explore reputable aftermarket turbo manufacturers like Garrett, Blouch Turbo, and Forced Performance to find the ideal turbocharger upgrade for your Subaru. **All ETS Turbo Kit orders receive a $100 Hey all. Turbo Options Subaru’s factory turbochargers are well-matched to their factory engines, but less so to their owners’ ambitions. All of these results are uncorrected Oct 19, 2016 · Reason im looking for different turbo is because i dont want stock turbo to turn into blow dryer, can somebody tell the max efficient boost for stock vf48? I think you should just do some basic bolt ons and get a a proper tune before you start thinking about any turbo upgrades. Oct 21, 2016 · The OP's orriginal question was "Best Turbo upgrade for stock Sti?" The answer might well be none . Hope you are enjoying the new STI. Oct 18, 2016 · The advice I am seeking pertains to, in your opinion, the best way to build a somewhat reliable ~350whp daily driver. These steps are best followed in order, although they don't have to be. From intake manifolds and airboxes to hoses & filters, turbo inlet hoses & pipes, and more - find quality kits & replacement parts at a great price from top brands like Omni Power, Torque Solution, GrimmSpeed Jul 18, 2004 · I bought and 06 STi and was wondering, what would be the best turbo upgrade? Should i go HKS or GReddy? The GReddy is fairly new but i've read an article about it. Engine wise the car has been trouble free. Santa has been gracious and given me a leaky turbo compressor seal for Christmas. 5L Turbo Powertrain (EJ Series Factory 2. Overall it was great, until I trusted the advice of a less than reputable (as it turns out) tuner. Oct 21, 2016 · "Best Turbo upgrade for stock Sti?" The answer might well be none . Make sure if you upgrade your turbocharger, that you supplement your motor with the right amount of fuel. Twin Scroll Turbo line is catered to the die-hard Subaru fans! The twin scroll turbo is an efficient way to replace or upgrade your current twin scroll set up Aug 14, 2020 · Hey all. -Intercooler + piping. With a premium blow off valve, you can upgrade your Subaru's turbo system right now and enjoy more power and responsiveness. Oct 18, 2016 · You're going to need to upgrade your fuel system with any turbo you chose if you want to gain any noticeable power. 00 $3,195. Featuring a 6-blade billet compressor wheel and upgraded 360° thrust bearing for maximum durability and performance. This is the full SS Fab turbo kit for your 2002-2007 WRX/ STi, 2008-2014 WRX/ STi or 2015-2021 STi. Aug 1, 2022 · The 2015–2021 Subaru WRX was one of the best modern tuner cars on the market. Designed for 2004-2021 Subaru WRX STi and 2002-2007 Subaru WRX, this 770HP turbo delivers faster spool, improved power, and exceptional reliability. Mar 26, 2013 · Replace it if you need to. Perfect for enthusiasts looking to maximize their EJ-powered Subaru’s potential with reliable performance and The ETS Subaru STI Turbo Kit is one of the most complete kits on the market utilizing optimal intercooler pipe routing and a larger ported s-cover along with a wide variaty of turbochargers to match your performance needs. Although he likes the top end power, he hates that the car is not streetable. Includes all gaskets and hardware for easy installation. For owners of the Subaru Impreza, the TR Billet TD05-18G Turbo is a particularly popular option. Find the top 2018 Subaru Wrx-sti 2018 Subaru Wrx-sti Turbos Upgrades mods and upgraded aftermarket parts at competitive prices at Subispeed Sep 15, 2022 · In this video we add some performance bolt on parts to our STI including a bigger Grimmspeed JB400 turbo, Grimmspeed TMIC, and an up pipe. The WRX with its turbocharged 2. This makes it ripe for turbo upgrades, but unfortunately this isn’t a simple plug-and-play modification on the WRX. Dec 14, 2022 · I have a 2016 STI with an AM340 fuel pump MAP downpipe access port an a cobb intake I'm looking to buy an upgraded Turbo What would be the best Turbo to put with my setup for instance school looking for 380 horse possibly Typical and economical mod path to take for various generations of Subaru WRX and STI. Once your factory turbo can no longer satisfy your needs, or simply dies trying, you have three options: replace the factory turbo with an identical, bolt-on replacement, repair your original turbo or upgrade it to a more potent model. The X400 will support 400whp while spooling within an incredible 100 rpm of the stock VF turbo. These kits come complete with: -Up pipe (2 bolt header configuration) -Down pipe. Subaru 2. This top-performing turbocharger is the most popular choice among shops and tuners, offering fast spool, reliable power, and exceptional throttle response. The stock intercooler on the 06-07 WRX is the smallest of any year Jul 21, 2006 · So my question is, which turbo upgrade would be good for a daily driver but also have a good amount of power (about 300-320 whp). Turbos & Superchargers IAG Performance carries turbo and supercharger parts for your 2002-2023 Subaru WRX, STI, Legacy GT, Forester XT, and BRZ. Feb 8, 2024 · Hi all. 0" Front Mount Intercooler Upgrade 200-30-IC-001 for the 2015-2021 Subaru STI at Vivid Racing. (You do not have to provide a core turbo for the 20g turbos or larger, we build new units. Designed to work with the factory exhaust manifold for a direct bolt-on fit, Precision's Subaru factory upgrade turbocharger is the perfect choice for those looking to boost their performance without breaking the bank! For solutions with precise engineering and dependable performance, look into products from recognized companies like Turbosmart, HKS, and GReddy. Registration is free, fast and simple, so please If you Nov 8, 2023 · Ultimate guide to the best Subaru EJ255 mods to make a 300+ wheel-horsepower WRX or Forester, including downpipes, intakes, and intercoolers. Find the perfect Extreme Turbo Systems parts for your Subaru, with 0% financing! Apr 26, 2011 · !!!Help!!! 04 STi turbo upgrade Factory 2. Fits 2004-2021 Subaru WRX STi and 2004-2007 Subaru WRX. This in itself will not have any bearing on lag. The Extreme Turbo Systems 2015+ Subaru STI Twin Scroll Turbo Kit is designed to give you the broadest powerband without sacrificing performance by using the latest turbocharger technology from Borg Warner, Garrett or Precision Turbo. Now, lets get to the real deal here Car: 2015 STi Limited Current Mods: Engine - Turn in Concepts 2+2 Track EJ257 Closed Deck Short block, RCM 14mm Super Studs, JE FSR Pistons, Callies H Beam +2mm long rods OEM Crankshaft, ACL bearings Nov 30, 2005 · Welcome to the . Whether to upgrade power, better handling, or an aggressive look, we've got everything. Modifying is expensive and takes time. Oct 28, 2023 · Click to expand I’ve built tow STI’s in the past and a Lgeacy GT. Here's a sample build plan on a 2015+ WRX FA20DIT. This Product fits these Vehicles: - Impreza STI EJ25 (2008-2014) (2015-2020) Add a turbo kit, and you instantly gain that extra power that people desire. By joining our community, , you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Keep it simple with a bolt-on turbo upgrades from Garrett, BorgWarner, Precision Turbo and MHI. 00! Jan 4, 2010 · upgrading the turbo requires (to be effective anyway): fuel injectors fuel pump larger intercooler new gaskets turbo back exhaust with a bellmouth downpipe a custom tune You might also consider: decent tires driving lessons EDIT: You CAN just slap the turbo on there provided you tune for it. The COBB TD05H-20G is an ideal turbo upgrade for those looking to increase the top-end power of their STI while maintaining low and mid-range response. Gen 2 Subaru Turbo (630hp) HP Rating: 630 Designed to work with the factory exhaust manifold for a direct bolt-on fit, Precision's Subaru factory upgrade turbocharger is the perfect choice for those looking to boost their performance without breaking the bank! FITS: • 2002+ Subaru WRX • 2004+ Subaru WRX STi vehicles • 2004-2007 Subaru Order the Extreme Turbo Systems Anodized Gold 3. The Subaru EJ20 turbo 2. This was a completely stock EJ25 STI and we did 3 stages of modifications from stock and kept track of the results to compare. I just want some input from members who have upgraded. But IHI decided to take this turbo, and see if they could improve its performance even beyond what Subaru required, and that is The Extreme Turbo Systems Subaru STI Twin Scroll Turbo Kit is designed to give you the broadest powerband without sacrificing any top end performance. Oct 25, 2021 · If you have a Subaru WRX, STI, or any Subaru that came with a turbocharged engine for that matter, there is a good chance that sooner or later you are going to consider putting on a new turbo. 5L Turbo) What model do you have? There are different turbos for the wrx and the sti respectively. Jul 10, 2024 · Pulling the motor on my pops 2015 STI for head gasket failure, while the engines out planning to do some upgrades, need to figure out what I need to be ordering Koyo aluminum racing rad? Rallysport direct has a sale right now should I upgrade headstuds? ARP? Might get bigger turbo, injectors Aug 30, 2022 · 275K Members Ryan Rivera Subaru WRX and STi Owners Group Aug 30, 2022 Best turbo upgrade for a stock block 2015+ wrx ? Bujai Mark Adam and 4 others 5 21 Vincent Walton Ask this question to solely wrx owner and Let MAPerformance. Years supported include 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, 2010 Upgrade your Subaru WRX or WRX STi with the Boost Lab BL58XR Dual Ball Bearing Turbocharger. 5GT. This turbocharger upgrade is crafted to boost performance without breaking the bank, offering a direct bolt-on fit with the factory exhaust manifold flange. Capable of producing 400hp and retaining excellent throttle response, the COBB 20G is a perfect turbocharger for street or track use! Features: 20G Compressor Housing with 68mm Billet Wheel 8cm^2 Turbine Housing with 55. | Free shipping over $199. You can expect very similar results on 2010-2014 WRX, 2006-2008 WRX with a VF48/VF52 turbo, and any Legacy GT/Outback XT/Forester XT with a VF48/VF52. We all know this. Looking for more power Aug 28, 2020 · 47K Members Join group John Kratz 2015-2021 WRX/STI Performance & Tuning Support Aug 28, 2020 What’s the best turbo upgrade that will work with stage 1 Cobb 3 3 33 Johnny Rocco Factory VF48 Or get a pro tune and a tuner that can help you build your car properly Or blow it up 🤷🏻♂️ 5 yrs 1 John 2008-2021 Subaru WRX STI / 2008-2014 Subaru WRX Downpipe Upgrade by MAPerformance When the turbo compresses exhaust gas, its forced through a narrow OEM downpipe on its way through your exhaust system. Jun 20, 2022 · In a nutshell, if you want a less intrusive approach to jacking up the power of your Subaru STI through a turbo upgrade, a slight increase in its size or a turbo upgrade kit will get the job done easily. The heart of forced induction systems, turbochargers increase air intake for more horsepower and torque. I was looking at the APS SR55, since it seems to be a high quality turbo with much power potential. This is Our Subaru Wrx turbo Upgrade option for the Factory Turbochager, you must Provide a Core Turbo For This Service. Also a bigger turbo wont do shit without fueling upgrades Nov 20, 2023 · Planning your build isn't hard to do but it is a good idea. So he will in turn be getting me a new turbo. The best thing you can possibly do for any turbo subaru is a custom tune along with bolt on mods that allow the engine to breath freely. Have you got a NON-turbo late-model Impreza? See our Non-Turbo Guide. I want the car to be reliable, as 2015-2021 STI Intake Mods, Parts & Upgrades Upgrade your Subaru STI intake with a wide selection of aftermarket performance air intake parts & OEM replacements for your STI from Subimods. 00 USD Mar 21, 2025 · Explore must-have Subaru WRX STI mods to boost power with turbo, exhaust, and suspension upgrades. 5NA non-turbo to turbocharger Performance. EJ20 EJ25 16g 20g TDO5 TDO6 Turbo Upgrade. Any thoughts or advice? Thanks in advance. -Intake. rpgdbcgm zwei cjgw mmprqmk aelmo ismj xly dnyu bjzkomu tyjcpia