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Description
IHI PERFORMANCE OEM+ VF48 SUBARU EJ25 TURBO UPGRADEIHI PERFORMANCE OEM+ VF48 SUBARU EJ25 TURBO UPGRADE WILL TAKE YOUR EJ25 TO THE NEXT LEVEL The IHI Performance VF48 is a stock appearing OEM+ turbo upgrade for Subarus 2. 5L EJ25 engine. Its a perfect option for someone who craves a mild boost in power over the OEM turbo but doesnt want to sacrifice quality or reliability. Manufactured by IHI, Subarus factory turbo partner, this turbo spools early like a stock VF39, VF41, or VF48, but IHI utilized an
IHI PERFORMANCE OEM+ VF48 SUBARU EJ25 TURBO UPGRADE WILL TAKE YOUR EJ25 TO THE NEXT LEVEL
The IHI Performance VF48 is a stock appearing OEM+ turbo upgrade for Subaru’s 2.5L EJ25 engine. It’s a perfect option for someone who craves a mild boost in power over the OEM turbo but doesn’t want to sacrifice quality or reliability. Manufactured by IHI, Subaru’s factory turbo partner, this turbo spools early like a stock VF39, VF41, or VF48, but IHI utilized an advanced compressor wheel design to move more air, providing an OEM+ solution for any driver looking to boost the performance of their Subaru.
The IHI turbo upgrade shares the same reliability and fitment as an OEM Subaru turbo, meaning it connects perfectly to stock components and fittings. Expect pump gas power gains of 400+hp with improved throttle response and boost modulation.
- Note: this turbocharger is ARA homologated for legal use in competitive rally racing.
POWER NUMBERS AND BENEFITS
- An Easy Power Boost
- Increase EJ25 engine output 300-400+hp.
- Rally-ready homologated. Legal for use in ARA Rally Competition.
- PREDICTABLE PERFORMANCE
- OEM reliability. You get improved throttle response and control.
- SIMPLE INSTALL
- Bolts directly to EJ25 stock components, making installation easy.
COMPRESSOR SPECIFICATIONS
- Compressor Type: Precisely machined aluminum forged big compressor wheel for quicker spool
- Compressor Wheel OD (exducer): 62mm (Stock STI is 60mm)
- Compressor Wheel Inducer: 48.32mm (Stock STI is 46.5mm)
COMPRESSOR HOUSING CONNECTIONS
- Inlet: OEM 04+ STI
- Outlet: OEM 04+ STI
TURBINE SPECIFICATIONS
- Turbine Housing Size: P18
- Turbine Inducer: 53mm
- Turbine Exducer: 48mm
FITMENT INFO
- Compatible with: GD & GR WRX, STI, Legacy GT, and Forester
TECHNICAL NOTES
- This IHI turbo upgrade is designed specifically for the Subaru EJ25 engine
- Stock components will bolt right up to this turbo, meaning no other modifications are needed.
- If the turbocharger unit you select has the adjustable turnbuckle actuator, please use a precise boost gauge and fasten the nuts of the turnbuckle on the actuator rod when adjusting.
- To control boost pressure, you will need a boost controller or solenoid which is sold separately.
- You must run premium pump gas or e85 once this turbo is installed and tuned.
- Subaru highly recommends purchasing a new Banjo Bolt and Screen (SUB 14445AA090) with any installation of a new turbo.
- This turbo may also work for other Subaru models of different years, but additional modifications may be required.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 1743 reviews
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Product Reviews
★★★★★ 5
That ending 😫
Format: Kindle
I fell into a false sense of security and really thought this was gearing towards a happy ending. Then I realized there’s no work they don’t punish Andrew. I really liked Vale’s character. I don’t normally read books with pregnancy but going into this knowing she was pregnant made it more enjoyable for me.
I loved Bishops devotion to her and her happiness. I also loved that Holt and Mercy couldn’t fight their attraction to her. I love scent matches so very much. I’m so curious to see how this duet will end up. And I need to pay more attention and notice that a book I’m starting is a duet to begin with lol
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2025
★★★★★ 5
oh wow
Format: Kindle
I just knew there was something about Cooper! I’m wondering if he’s about to be included but damn I’m glad he’s at least not a rapist and creepy guy, he just got called on assignment and had to go! This should be interesting! She’s gonna run and then what’s his face is gonna grab her. I’m worried! Wow that was a great book and cliffhanger! Loving this!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
★★★★★ 5
ABSOLUTELY A MUST for Omegaverse Girls!!!
I ABSOLUTELY LOVE Jillian West and her books!!! I’m so happy I already bought book two and now I have to buy the others for the Assurance Security series!!
Not gonna lie Val kind of annoyed me at the beginning but she grew on me!! Her men are chef’s kisses!!! Holt annoys me some but I can let it slide. I already bought part two so I’m going to be reading that in between work phone calls!!!! DON’T TELL MY BOSS 😂😂😂😂
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
★★★★★ 4
Baby bumps and bodyguards
Format: Kindle
Dark, emotional, and unexpectedly tender, Not Ready is an omegaverse romance that delivers found family feels, fierce protectiveness, and a very pregnant heroine who refuses to break. Vale’s on the run from a stalker, but lands in the arms of three private security alphas, cue the swoony tension, fake marriage twist, and slow-burn heat.
It’s a little gritty, a little soft, and a whole lot addictive. If you love protective alphas, high stakes, and heroines with quiet strength, this one’s a must-read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 18, 2025
★★★★★ 5
Strong Omegaverse Comfort and a Attention Grabbing Plot
Format: Kindle
Jillian West never misses when it comes to Omegaverse, and Not Ready is no exception. This story was the perfect blend of cozy comfort and emotional depth while still delivering a strong plot.
Vale is such a powerful heroine, she is strong, capable, and determined but I love that she still allows her pack to love and take care of her. It’s that balance of independence and vulnerability that makes her so relatable.
The relationship dynamics were amazing: Bishop is steadfast and completely head over heels, Mercy is skeptical but protective in his own way, and Holt is the hesitant one whose slow fall is so satisfying to watch unfold.
The romance hits that sweet spot between insta-love and cautious build, keeping me hooked the entire way through. And that ending. Oh my god, the cliffhanger! I need the next book in this duet immediately.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 28, 2025
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