Vf48 upgrade 00mm ). My own Forester has been VF equipped for almost 2 years now and has been spooling strong ever since. Find the perfect upgrade for your Subaru EJ25 or EJ20 engine, delivering improved performance with easy installation. 5 STI 300HP. 0L Turbo) Jul 24, 2025 · Real Subaru IHI RHF55 VF48 turbocharger upgraded from it's OEM version with a 11 blades GTX BILLET impeller. 2008- Subaru WRX STI EJ257 GRB 2 Aug 25, 2025 · Item description from the seller DESCRIPTION VF48 upgrade billet wheel turbo CHRA CORE for SUBARU IMPREZA WRX STI 2008-2015 the compressor wheel type 11 long blades Brand New 1 Year Warranty Aug 25, 2025 · Item description from the seller DESCRIPTION VF48 upgrade billet wheel turbo CHRA CORE for SUBARU IMPREZA WRX STI 2008-2015 the compressor wheel type 11 long blades Brand New 1 Year Warranty The Boost Lab VF48 is a direct replacement turbocharger for the 2008 through 2013 Subaru WRX STi. The Boost Lab VF48 is a direct replacement turbocharger for the 2008 through 2021 Subaru WRX STi. No need to worry about a retune or anything else, just install this turbo and be on your way. just wanted to know if there’s anything upgrade wise I could do to the turbo to make it last longer/maybe push more psi. In their testing, it can be used as a replacement for a stock turbo on a 100% stock car. Please upgrade to the appropriate wastegate actuator as recommended by your tuner. Subaru Legacy 2. What IHI did was to take the standard VF48 that they make, and build IHI VF Series RHF55 for Subaru WRX STI VF39 VF43 VF48 VF52 Rebuild Kit With Billet Wheel and Stock Turbine Turbo This will fit your Stock VF39 VF43 VF48 and VF52 Turbo. 5mm to a new 50mm Performance Billet Wheel design. Jan 25, 2016 · VF48 (USDM 08-15 STI) VF52 (USDM 09-14 WRX, upgrade for 2008 WRX and 05-09 Legacy GT, originally VF40 or VF46) PRE BILLET WHEEL FEATURES AND ADVANTAGE: 11 blade design: Conventional design is 6 tall and 6 short blades. Gains of up to 20% efficiency over stock with supporting mods. for 2008-2014 VF48 2008-2014 Impreza WRX STi 2. May 5, 2016 · So, recently my turbo gave out on my 09 XT, leading me to search for an upgrade. 1K views 9 replies 2 participants last post by Galaxywide Oct 20, 2020 Perfect Upgrade for 02-07 WRX & 04-07 STI The Boost Lab VF48HF turbocharger serves as a convenient and compatible replacement upgrade option specifically designed for the Subaru WRX STI models produced between 2008 and 2021. 0L Turbo) This is a CHRA - Turbo Cartidge that will bolt on directly to your VF48 housings ( compressor and turbine ). However, I need to get this thing back running asap and some of these parts are kinda hard to Mar 4, 2019 · Vf48 turbo rebuild We can rebuild it! We have the technology! There comes a time in every turbo owners life which is to replace a failing turbo. 5L Turbo) Feb 11, 2009 · I know you can use the stock injectors with a VF48 but when can I expect if I upgrade to the DW 750cc's? Or the Sti injectors? Is there a power difference and what kind of difference - compared to stock injectors. hoping to achieve 300whp or close. The VF48 turbocharger is the OEM turbocharger for Subaru's 2008-2019 STI models, providing a genuine replacement option or upgrade for those seeking increased performance. That may sound easy, but the process is quite complex. Boost your Subaru EJ engine's power with our performance turbochargers. 5L 04-19 WRX 2. You will be replied within 24Hrs. 0L Turbo) Aug 24, 2017 · VF48+supporting mods on 2. -Shaft Bore: 6. I am very new to the world of turbo, so I could use some help or advice. First our team figures out, which dimensions work best with your compressor housing. It comes with a Billet 6+6 compressor wheel and a 11 Blade Inconel 718C turbine shaft as standard. Aug 15, 2011 · turbo upgrade chart Impreza ForumWelcome to the NASIOC. Trying to keep things semi civilized and avoid major fuel system upgrades so no need for an FP or G18/20 or anything like this. outright interchangeable with other models such as VF39, VF43, TD04L13T We can do this kind of upgrade on ANY subaru Nov 2, 2025 · The IHI VF48 Subaru turbocharger that comes equipped on the 2008+ STI. 5xt 2009-2011. which fuel injectors would be best to match Mar 3, 2019 · VF turbo upgrade! Oem upgrade for your Td04s! Hey! Welcome to #modmonday! This week for your reading pleasure I will speak about VF series turbo upgrade for your Forester or Wrx and what it has to offer. Firstly are all gaskets the same? Secondly I have read that the coolant lines aren't a straight fit. All SoCal Porting turbochargers include upgraded internal bearings to support higher thrust loads and boost pressures. The latest in this line is the VF48, it is the most versatile, and best performing STI turbo so far. 5T 2005-2009. Do I need hatchback coolant lines or can the standard ones be modified? Cheers Turbo Part Number: VF48. Upgrade CNC Billet Wheel 15% Air Flow, Fully Balance. 10mm. 3mm/68. Turbo Upgrade Kit. This VF48 turbo is an OEM subaru turbo that came out of a 20 Genuine ihi vf48 turbo, upgraded with billet GTX11-blades compressor impeller. 5 Wiseco forged Pistons STI crankshaft VF48 Turrbo (Coming in today) BC Intake & Exhaust The Boost Lab VF48 is a direct replacement turbocharger for the 2008 through 2013 Subaru WRX STi. You can choose to upgrade the exhaust wheel as well with the EXtreme 9 turbine impeller much lighter turbine with fewer but longer blades for a major reduction in ba Dec 22, 2023 · VF48 is nearly identical to the VF39 - slightly different casting and bearing design, but same inducer/exducer measurements on both wheels. 5xt and I'm looking to upgrade to a vf48. IHI TURBO Performance information of IHI Turbo Service Co. 5L Turbo) Apr 5, 2019 · My bet is that IHI's modified VF49 will be priced similarly to the VF48 and receive an upgraded billet compressor wheel, but retain the journal bearing CHRA and standard 11 blade turbine wheel. We can upgrade your turbo with an extended tip billet wheel for better flow over the stock cast wheel. 2001- Subaru Impreza WRX STi EJ20 Engine. Upgrade to 11+0 blades Billet Compressor Wheel, spoon faster. : VF48 Aug 9, 2018 · Upgraded My VF48! General CommunityWelcome to the . In conclusion, if you're serious about taking your vehicle's performance to the next level, Vivid Racing is your go-to source for top-tier engine control modules. Impreza WRX STI Turbo Upgrade. What exactly do I need to change? Can I just upgrade to a vf48 and do a remap, or do I need to upgrade the intercooler and other items as well? Saying that, does anyone have all the items needed for sale here or can you point me in Feb 12, 2006 · I stumbled across this great information yesterday at the following website. 250,00 € Unit price / Unavailable View details Description Part Numbers:9F002F56CAC-SP014 Specification: Nov 2, 2025 · Item description from the seller Turbo Upgrade RHF55 18G VF39 VF43 VF48 For Subaru STI 2. If you're going to spend a ton of money on a turbo, you might as well get an aftermarket unit that's worth it. In addition, this unit is a perfect direct fit upgrade for the 2002 through 2007 Subaru WRX. Aug 27, 2025 · 2004-2007 Subaru Impreza WRX STI. 2004-2021 STi EJ25 Boost Lab BL-VF48HF Turbo Upgrade features a larger than factory billet compressor wheel (50mm x 68mm, 18G sizing) and a high flow factory size turbine wheel (53mm x 48mm) Feb 26, 2020 · IHI has been making the factory equipped STI turbo for years now. 00 Apr 20, 2021 · Anybody use vf48 "hi flow"? Factory 2. 00mm vs Original 46. 00/60. You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. Or, if you really need it to look stock, you could always get a VF48 ported and polished with larger/billet wheels. IHI Turbo Service's official website. Feb 10, 2021 · The most common, easiest, and most cost effective OEM upgrade is a VF48, which is very similar to a VF39 just newer. 0L Factory 2. 5L. 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 realize Feb 5, 2014 · I have recently done an engine rebuild on my foz XT (ej20, 4EAT) due to timing belt failure so I took the opportunity to go all out with the modding. the compressor wheel is upgraded with 11+0 curved billet wheel. my td04 oil feed line has rust or corrosion on it so i figured i would upgrade to braided ss Jan 8, 2009 · VF48 on 2. 5GT. the compressor wheel is upgraded with 11+0 Golden billet wheel. Direct-fit turbos for WRX, STI, Forester XT, and Legacy 2. With there being a plethora of choices today from buying a used turbo, rebuilt turbo, eBay special turbo, upgrading to a larger unit, send it off to a shop, or the Diy CHRA replacement. Turbo Model: RHF55, RHF5H. 5T 2009-2014. VF48 Upgrade 11+0 Billet Wheel Turbo for 2008- Subaru Impreza WRX STI EJ257 GRB $358. I will eventually be doing STI up and down pipes, tmic, scoop, and splitter, as well as a pro tune. Do ppl change the blades for different ones? Any advice would help Explore Boost Lab’s high-performance Subaru turbocharger upgrades for WRX and STi models. Share: IHI - VF48 Upgrade/High Flow - 9F002, F56CAC-SP014 1. 2008- Subaru WRX STI EJ257 GRB 2. Want to stay with the IHI VF family of turbos to keep things simple and cost down relatively speaking. 5L Turbo) Whether you're looking to improve your car's track performance or simply want to enjoy a more responsive ride on the road, a high-quality control module is an indispensable upgrade. 0L Turbo) BILLET UPGRADE PERFORMANCE Turbocharger compressor Wheel Subaru STI VF39 VF43 VF48 VF52 DIRECT "DROP IN" UPGRADE COMPRESSOR WHEEL Faster Spool (lightweight)& 15% increase in airflow/CFM ! Boost Lab VF48 Subaru STi Factory Replacement Turbocharger Cast Compressor Wheel | Direct Replacement for 08-21 Subaru STi | Perfect Upgrade for 02-07 WRX & 04-07 STi The Boost Lab VF48 is a direct replacement turbocharger for the 2008 through 2021 Subaru WRX STi. 2. This can be used in place of your 04-07 STI's VF39 / VF43 stock turbo, or act as an upgrade turbo for the TD04 equipped 02-07 WRX. This is the first time I found where someone's gathered all the information for a true compairson and description between a large selection of the IHI turbos. May 23, 2017 · Billet wheel upgrade impressions Factory 2. Boost Lab VF48 Subaru STi Upgrade Turbocharger Billet Compressor Wheel | Direct Replacement for 08-21 Subaru STi | Perfect Upgrade for 02-07 WRX & 04-07 STi The Boost Lab VF48 is a direct replacement turbocharger for the 2008 through 2021 Subaru Many turbos for VF48 available at TurboTurbos. for 2004-2007 VF35 RHF55 Impreza WRX. VSR Tested at full speed. as an IHI Group company. you might be better served looking for a vehicle with a 5-speed factory installed. No shaftplay whatsoever Located in Emu Plains - can ship at buyers IHI RHF55 Turbocharger Bolt-on Upgrade For Subaru Impreza WRX STI (VF39, VF43, VF48). Upgrade Billet Compressor Wheel. 2000- Subaru Impreza WRX STi EJ20 Engine. Upgrade reinforced bearings for better lubrication and More Durability. Garrett has proven higher flow potential of the 11 blade design and it has been adopted to this compressor wheel for IHI Aug 21, 2007 · Turbo FAQ: Read if you are thinking of upgrading! Newbies & FAQs BILLET UPGRADE PERFORMANCE Turbocharger compressor Wheel Subaru STI VF39 VF43 VF48 VF52 DIRECT "DROP IN" UPGRADE COMPRESSOR WHEEL Faster Spool (lightweight)& 15% increase in airflow/CFM ! Jul 30, 2020 · What to expect? EJ205/VF48/Supporting mods Factory 2. 0L Turbo Powertrain (EJ Series Factory 2. We would like to show you a description here but the site won’t allow us. IHI has been making the factory equipped STI turbo for years now. Oct 25, 2021 · For the EJ25 engine, we have definitely found a handful of turbos that work well for certain power goals. Some of our competitors simply Jun 8, 2019 · Vf48 on 05 wrx? Factory 2. New Replacement IHI VF Series RHF55 cartridge for Subaru WRX STI Fits all Subaru VF39 VF43 VF48 VF52 Turbochargers Balanced Stock Billet Wheel Balanced 9 Blade Turbine a GT25 Style made to fit VF Series Cartridges Direct fitment for OEM CHRA This will fit your Stock Subaru VF39 VF43 VF48 VF52 Turbo. Enhance performance with faster spool times and increased horsepower. Jan 2, 2022 · sup guys i have recently purchased an 02 impreza wrx and the turbo blew so i decided to "upgrade" to a vf48. Subaru RHF55 VF30, VF35, VF37, VF39, VF41, VF43, VF48, VF52 NOTE: Stock wastegate actuators can restrict PSI potential. thanks Aug 26, 2025 · Upgrade GTX billet wheel turbo for RHF55 vf48 Subaru Impreza WRX STI 2008-2015. theboostlab. 15% improved efficiency which means you make BOTH spool-up AND power gains. But, no matter what you do in the future, get the vehicle running 100% in stock trim first. 2008- Subaru Impreza WRX EJ257 GRB 2. I want to create this thread so a total newbie (like me) can understand what the minimal requirements for a swap are: Parts Jan 25, 2016 · VF48 (USDM 08-15 STI) VF52 (USDM 09-14 WRX, upgrade for 2008 WRX and 05-09 Legacy GT, originally VF40 or VF46) PRE BILLET WHEEL FEATURES AND ADVANTAGE: 11 blade design: Conventional design is 6 tall and 6 short blades. This turbo is a great upgrade option for 2. The time now is 12:23 PM. We look forward to hearing about the high performance gains from this upgrade Part #: F56CAC-SP014 Turbocharger IHI VF48 upgrade Impreza STI 2008-2014, WRX STI 2014+ - 9F002/F56CAC-SP014 Nov 21, 2006 · Subaru Turbo List Newbies & FAQsAll times are GMT -4. The reason I'm posting all the contents of the thread and Feb 12, 2025 · BL VF48-HF Turbocharger for 08-21 Subaru STi (HIGH FLOW UPGRADE) Boost Lab VF48 Billet Upgrade Turbocharger for 2008-2013 Subaru WRX STi www. Any high performance modifications may void your warranty. Subaru OEM IHI VF48 Turbocharger (2008-2021STI) This IHI VF48 turbocharger is a direct replacement for the 2008-2021 STI. Mar 29, 2017 · hey all, came across a great deal on a APS SR40 turbo and was wondering if it would be a worthwhile upgrade over my VF48 from a 2012 STi I have a better bellmouth dp, tial 44mm ewg, grimmspeed uppipe, apexi catback I'm going to have installed so adding a turbo isn't an issue mods- 07 wrx TR Oct 19, 2016 · Hello, I'm going to be fitting a vf48 to my 05 wrx and wanted to double check some information. 5L Turbo) Buy Subaru OEM IHI VF48 Turbocharger 2002-2007 WRX / 2004-2007 STI, a Turbos by Subaru OEM, for only $2,230. Aug 14, 2025 · Turbo Model: RHF55 VF39, VF48, VF52. Distinguishing itself, this particular turbocharger variant boasts an enhanced compressor wheel, slightly larger in size, along with a meticulously engineered turbine Oct 18, 2020 · Differences when a VF48 replaces a TD04, Advice Pls Factory 2. com! BILLET UPGRADE PERFORMANCE Turbocharger compressor Wheel Subaru STI VF39 VF43 VF48 VF52 DIRECT "DROP IN" UPGRADE COMPRESSOR WHEEL Faster Spool (lightweight)& 15% increase in airflow/CFM ! Apr 26, 2017 · Upgrading to a VF48, what other basic things should i be doing? Factory 2. Subaru highly recommends purchasing a new Banjo Bolt and Screen (SUB 14445AA090) with any purchase of a new OEM turbo. Aug 27, 2012 · So I have searched and read up quite a few threads and learnt a lot in the process. I've decided while I have it out I might as well put a vf48 in. for 2004-2007 VF39 RHF55 Impreza WRX STI DOHC 2. VF48 HF - 300 whp pump gas / 340 whp on E85 This turbo is a version of the stock STI turbo made by IHI, but uses a redesigned billet compressor wheel. Oct 11, 2020 · 2006 - Planning a VF48 upgrade - supporting items? ('06-'08) Jump to Latest 5. At this point I am fairly certain that the VF48 will be the replacement unit I am looking for, but am unsure if my otherwise stock Fozz will Feb 18, 2021 · So my td04 blew up on my 04 FXT. Oct 23, 2025 · Turbo Model: RHF55 VF35 VF39 VF48 VF52. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special IHI Turbo VF48 TurbochargerDescription The Subaru OEM IHI VF48 turbocharger is a direct bolt-on option for the WRX & STI, utilizing the factory mounting points and attaching to the factory oil and coolant lines. 5L Turbo Powertrain (EJ Series Factory 2. Then, the swap and upgrade options are limited only by your imagination (and your wallet). Nov 8, 2012 · Im going to be upgrading my turbo from a td04 to vf48. There are better turbo options out there if budget allows, but VF39/43/48 have always been very inexpensive on the used market. 0L Turbo) Hey guys, I just bought a lightly used vf48 to go on my 06 wrx. 0L Turbo) Apr 20, 2020 · 06 replacing TD04 with VF48 what to expect & change Factory 2. 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. Our selection of turbochargers offers enhanced power, reliability, and durability for both street and track use. 5L RHF55 VF39 Performance Upgrade Oct 25, 2021 · Just got a 05/06 2. 14411AA572, 14411AA5729L Sep 23, 2019 · VF48 uograded Billet wheel, 6 Blade vs 11 Blade? Factory 2. 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. Features a CNC-machined billet 7075-T6 compressor wheel for faster spool, improved durability, and enhanced power output. Turbo Part Number You will be replied within 24Hrs. This is an exact, direct fit OEM replacement turbo. com Subaru forum. Garrett has proven higher flow potential of the 11 blade design and it has been adopted to this compressor wheel for IHI Jan 30, 2017 · We are developing a custom performance upgrade for the Subaru VF48 Series turbochargers from a OEM 46. Nov 6, 2025 · Upgrade GTX11+0 Compressor Wheel Fit OE Compressor Housing, this Chra can be installed directly,Plug and play. BRAND NEW GENUINE IHI TURBOCHARGER This is a BRAND NEW GENUINE IHI TURBOCHARGER. com Oct 18, 2025 · RHF55 VF39 VF43 VF48 VF30 VF35 VF37 VF52. Oct 22, 2025 · Upgrade GTX11 Billet Wheel For Subaru VF30 VF37 VF39 VF43 VF48 VF52 Turbo. 74 at Subimods. Registration is free STAGE 2 OPTIMIZATION OF STOCK TURBOCHARGER - IHI VF48 Plug'n Play Turbocharger with Upgrade Stage 2 for Maximum Performance The main difference between the Stage 1 and Stage 2 optimization is the bigger compression wheel. Hey Guys, Today i'm going to be showing you how I install a Vf48 turbo into my 2006 Subaru WRX. Apr 17, 2020 · vf48 on 2002 wrx Factory 2. . Jun 18, 2017 · That's an expensive and complicated project . (UPGRADE WHEEL SIZE: 50. for 2009-2011 WRX. Selling a VF48 turbo out of my 2006 Subaru WRX Popular upgrade for most subies. But IHI decided to take this turbo, and see if they could improve its performance even beyond what Subaru required, and that is the VF48 High Flow, or VF48 HF. Here, you are looking at the Subaru OEM IHI VF48 Turbocharger. VF52 VF30 VF35 VF37 VF39 VF43 VF48. 0L Turbo) Aug 5, 2021 · Upgrade path Factory 2. 11+0 Billet Compressor Wheel Turbo Turbocharger CHRA Cartridge 2004-2007 Impreza WRX STI 2. 0L 02-07 NOT E: This is Journal Bearing Type Turbo ( Not ball bearing ) VF48 Turbo Turbocharger Upgrade For SUBARU STI WRX RHF55 18G VF39 VF43 2004-2019 $400. It is OEM equipment on the 2008-2021 USDM STI. 00 Free shipping Oct 17, 2025 · Turbo CHRA core upgrade billet wheel for IHI VF39 VF48 VF52 Subaru Impreza STI Upgraded VF48 turbocharger for 2008–2015 Subaru WRX STI. Vf34 is best for 2L overall good spool good top end, vf22 best for power and vf48 is better for a 2. 0L WRX owners looking to make significantly more power and still retain OEM quality and fitment. 5L WRX models (2006-2007) will also Explore Boost Lab’s high-performance Subaru turbocharger upgrades for WRX and STi models. Exact same part sold at the dealership. Subaru WRX 2. 2004-2007Subaru Impreza WRX STI DOHC 2. However I still have some questions for a vf48 swap I am planning in the near future. upgrade 11+0 billet compressor wheel. Subaru Forester 2. 5 STI 300HP 2. ,Ltd. Vf48 will take a little longer to spool but yield a simular top end. Aug 21, 2025 · DESCRIPTION VF48 Upgrade 11+0 Billet Wheel Turbo for 2008- Subaru Impreza WRX STI EJ257 GRB 100% Brand New Completely balanced 1 Year Warranty Fast US Shipping Turbo Model: RHF55, RHF5H Turbo Part Number: VF48 OEM Number: 14411AA700, 14411-AA700 Application: 1. . acceptance certificate included, one year warranty Quicker spool-up and 80 HP power gains capacity (ecu tune and supporting mods needed). 0 WRX Factory 2. Whereas the pricier Tomei receives an upgraded compressor wheel, ball bearing CHRA and 9 blade turbine wheel similar to your VF56 and the VF58. So I have added: 92. 0L Turbo) Oct 22, 2025 · The IHI VF48 Subaru turbocharger that comes equipped on the 2008+ STI. NOTE: This turbocharger is designed for stock use. Fits the following: Part Number: VA440057 Short Spec. No Machining Requir Upgrade GTX billet wheel turbo for RHF55 vf48 Subaru Impreza WRX STI 2008-2015. But IHI decided to take this turbo, and see if they could improve its performance even beyond what Subaru required, and that is Boost Lab VF48 HF Subaru STi Upgrade Turbocharger High Flow Upgrade! | Direct Replacement for 08-21 Subaru STi | Perfect Upgrade for 02-07 WRX & 04-07 STi The Boost Lab VF48HF turbocharger serves as a convenient and compatible replacement upgrade option specifically designed for the Subaru WRX STi models produced between 2008 and 2021. May 2, 2019 · Hey hey, considering upgrading the puny stock TD04. zel nrqghe xkq tbmvdexj tfne rlyp qyotoq obyiemu vnd fobs decrxx yhh kwr fym dlyarb