Vf48 turbo max power. This is a factory default and I.
Vf48 turbo max power Jan 29, 2012 · I know this is an old thread but my only other option I looked into for a turbo was the vf48 but im leaning towards the Tomei7760 after looking at the spool here. 71% Torque (Adding 21 Nm, or 15. id say keep it till it blows but it could damage somethin else. 4 psi (see notes below) A totally new design and shape “VF” series turbo Common on Group A rally cars where more capacity is required than is possible with the VF24. Mar 6, 2011 · With the right supporting mods, the spool up on the HTA isn't that bad at all, and the power it holds up to redline is awesome. IHI has been making the factory equipped STI turbo for years now. 26-28 Fluid Damper Pulley This turbo is a great upgrade option for 2. Expect to max out the VF23 somewhere in the 300-350 hp range. 0L Turbo) 6: 03-24-2002 12 Apr 10, 2007 · This turbo shares its compressor housing with the VF23 however, this housing is mated with a smaller (P18) exhaust side. Dec 7, 2010 · Factory 2. At this point the only other modifications that has been installed is a full turbo back exhaust (TBE). Cobb even has their own off the shelf tunes that will get you going for the time being until you want to get a protune. OUTPUT Feb 26, 2020 · The VF48, based on what I know, realistically made 350hp max. The downside of this turbo is the older center cartridge design and larger compressor housing, which makes for slower spool up but more top-end than the other VF series turbos. Jul 22, 2014 · Because it is a roller bearing turbo, turbo lag is minimalthe boost comes on around 3300 rpm. All VF series turbo’s are manufactured by IHI, Japan Typically all Sti models come with a IHI turbo, and All WRX’s come with a Mitsubishi turbo. The VF23 starts the middle ground. I am on my 3rd one now (1st: 06' , 2nd: 13', 3rd: 15' (current)). Bigger turbo's have more lag, thats physics 3. 0L WRX STI VB440057 VF48 Turbo SKU: VF48. 0L WRX owners looking to make significantly more power and still retain OEM quality and fitment. The only way it could actually make more power is that the stock intake and inlet are not capable of supporting the max flow rate of the VF48 turbo and are in fact starving it. original motor & VF-40 turbo are still running like new. I make 95% of my peal power and holw it til redline. Something to possibly consider too The HTA is easily rebuildable, while the VF series turbos are not. Is anyone interested in such a turbo? Dec 27, 2015 · id go 16g or vf39 if your track driving it, personally I prefer a little bit better response out of a turbo and those are the smallest without losing all power after 5500 like a td04. IHI RHF55 Turbo Bearing Housing (fits turbo VF30 VF35 VF37 VF39 VF43 VF48 VF52) $52. 00 Sale price $0. Feb 17, 2009 · What is the max PSI for the 2009 WRX stock turbo? 2407WRX: Factory 2. Feb 1, 2009 · DO Somebody Already Changes the turbo on 09-10 XT? How many PSI support the Stock Turbo and Stock Engine on the 09-10 XT? Actually im running 16psi with Ecu tuning, Turbo hose, CAI, catback and downpipe and Uppipe. OUTPUT Mar 1, 2016 · 21-22 psi is a bit over the efficiency of the vf48, honestly get a pro tune, you will probably make MORE power at 18-19 psi. I richened it up to 12:1 and seemed much happier (by happy, I mean smooth, I might have sacrificed a bit of power doing this). This turbo uses a Garrett ball-bearing center section and is based on the Garrett 30R family of turbos. you need corn or meth to get the IAT down enough for the vf48 to work over 21 psi. 2 Aug 5, 2021 · Turbo: VF48HF modified by IHI Performance (18. This turbo is a great upgrade option for 2. That should be interesting to compare against the T380B. id1000s aren't too big, but will be more than you need unless going e85. Original motor & turbo are running like new. Compressor Wheel. It comes on boost around 3100 rpm and is capable of running 20 psi of boost. 87 Max*boost=20. This is an OEM+ turbo and said to be 380bhp max. This turbo is very popular for Imprezas with automatic transmissions and Group N rally cars. This is a factory default and I Aug 30, 2010 · I already have a bunch of cooling mods on the way to help with this upcoming upgrade. I could pick up a vf39 for less than $300 bucks. But I guess its nothing special. 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. However, the VF 24 is only capable of running around 17 psi. So the range of 360 whp would be the limit for me, I believe. Thanks for all the input. By that we can figure that the vf39 == vf52. 5 ft lb) This is a more fairer direct comparison between the two turbos. The VF30 is commonly considered the best bang for the buck turbo in the IHI VF series line. I will be testing on a 2. 0L Turbo) 9: 03-09-2007 02:35 AM: Monster ported TD05-16g vs Zilla TD05 Super16G: erggy: Factory 2. 5 PSI) Power: 402 whp & 408 lb-ft Power Mods: IHI VF48 high flow turbo Killer B Holy Header + EWG up-pipe + Tial 38mm EWG Invidia catless downpipe + Tomei expreme titanium catback exhaust Intake & COBB turbo inlet IAG TGV delete COBB AP + Perrin EBCS 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 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. And to be released by IHI is the modified VF49 twinscroll turbo. Regular price $1,549. Just thought the ECU might be able to control the VF48 & not let it change the performance envelope other then better power top end. Dec 6, 2016 · Agency power crank pulley 13lb flywheel/excedy oem clutch done about 5k miles ago Stock bpv Wally 255lph But today I went on the dyno with a vf48 PnP by myself, and a turbosmart 38mm ultra-gate with a 14psi (1bar) spring, also heat wrapped uppipe @19psi, modded stock injectors to flow 860cc, and parallel fuel rail mod Apr 7, 2009 · Peak torque is in the 12. Feb 11, 2009 · For the money, vf48 FTW 24/7/365. 0L Turbo) 5: 08-18-2005 11:53 AM Sep 10, 2008 · 07 wrx vf48 tuned at precision Tuning Proven Power Bragging. From what I can find online, the VF52 and VF48 *should* spool similarly and use similar hardware. I got my hands on a vf48 and was wondering what's involved in installing this on an 08 wrx (my car is actually an 09 but exactly the same as an 08 turbo wise, suspension is the same as 09s. The info is helpful as not much is out there publicly about the turbo, so it is good to capture some data for others who might be lurking, researching, and looking for upgrades on a stock motor. Dec 23, 2010 · mehh idk what to do i mean, with gas prices these days, im not gonna be shifting hard, regular daily driving, shift 3-4k rpm so not much boost would be made but im obviously gonna be going hard sometimes on it. 03 2007 subaru WRX sedan Mod list! Cobb Access port V2 Cobb Turbo Back Exhaust 2005 STI TMIC with STI Y-pipe IHI VF48 turbo Kartboy short throw shifter 06-07 STi Hood Scoop Air Splitter Walbro 255lph Fuel pump K&N typhoon short ram intake with heat-shield I am happy with this result,my car pull Aug 23, 2020 · I have a 1997 940 with a 16T set to a max. bigger everything Mar 4, 2008 · Because it is a roller bearing turbo, turbo lag is minimalthe boost comes on around 3300 rpm. It has allowed my auto fxt to go 12. my guy has 200k miles on his 04 wrx wagon, turbo still no problems. ): You should be off OEM headers + up pipe by this point. This turbo is capable of 22-23psi boost and power output of 300whp. I am very happy with the power it currently has and it's more than enough for every kind of daily use. Built with premium components, dual ball bearing options, and expert craftsmanship, Boost Lab turbos are optimized for maximum power and reliability. I'm not sure I buy that. Feb 17, 2009 · On the high boost map I run the 28psi with 34-35 degrees of timing up top, and the car is reasonably quick for such a small turbo. 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. 0% Power (Adding 25 kW, or 33. 0 models as the larger displacement motor will suffer from a taper in power in the Turbocharger IHI VF48 upgrade Impreza STI 2008-2014, WRX STI 2014+ - 9F002/F56CAC-SP014. e85 is the only way to go otherwise you will top out around 300-320 whp. This turbocharger is a 100% direct bolt on upgrade turbo that offers up to 10-15% more flow potential on the compressor side compared to the factory VF39, VF43 Apr 3, 2013 · The Maximum Potential of the VF39 / VF43 on a stock STi engine Factory 2. "max PSI" is determined by a lot more than just the bottom end of your engine. 5L Turbo) I believe the power range for both is fine as I’m looking somewhere between 375 and 425whp NEW OEM IHI RHF55 Turbocharger Subaru Impreza 2. Jan 25, 2016 · Power capability of VF40 turbo is about 240whp. Pro Tune, bigger turbo, catless up pipe, bigger injectors & fuel pump would be the next logical step Feb 13, 2024 · My gut tells me that an aftermarket turbo inlet doesn't really make a difference either at stock-ish and little above power levels. All Boost Lab turbochargers are VSR balanced & tested and come with an industry standard 1 year/unlimited mile warranty. I LOVED how that turbo spooled. 0l and VF turbo. Feb 12, 2006 · Expect to max out the VF23 somewhere in the 300-350 hp range. 5l platform soon on e85 and pump, also potentially having larger exhaust housings made to get some more power out of the turbo. Nice numbers btw Apr 6, 2014 · Hi, This is my first post, although I am not new to this forum or to subaru sti owner ship. TECHNICAL SPECIFICATIONS Exclusive CEA (Competition Engineered Aerodynamics) 2618-forged aluminium compressor wheel Jul 26, 2009 · well the the td04 is made by mitsu so its a real good one. 00 Power: 280 HP Angle α Dec 10, 2015 · 1. Expect to max out the VF22 somewhere in the 400-450 hp range. Please double check on that. I highly recommend. ELH for sure now. Just enough to remind me I have a turbo but not so much I have 4EAT in my rear view mirror. 5L Turbo) 6: 06-10-2009 02:28 PM: What is a tax cut for the rich? Corn-Picker: Political Playground - Chaotic Neutral Edition: 43: 11-30-2005 01:43 PM: what is the max boost for the sti: 4 banger: Tri-State Area Forum: 1: 09-23-2003 08: New IHI VF48 Stock OEM Turbo for 2008-2021 Subaru Vehicles and OE# 14411AA700 This precision crafted turbo is a genuine OE replacement turbocharger from IHI that would have being installed at the factory from Subaru. 2psi. 75 exc. I will most likely hold off installing the VF48 until the engine swap as it needs to be tuned for the STI motor anyway. The smaller characteristics of this turbo allow it to provide ample bottom end power and quick spool. However, peak torque from the larger HKS turbo comes on ~1,000 RPM later than the VF48 equipped EJ257 (~4,700 RPM in the S209 vs ~3,700 RPM with the VF48). 5L Turbo Powertrain (EJ Series Factory 2. The same air can be pumped at a lower boost level by a bigger turbo and therefore to get the same power, the smaller turbo needs to boost up higher. I tuned my WRX at 12. I was thinking of going VF48, since people are putting out good numbers on them and the turbo will of course be fresh Oct 20, 2019 · Turbo: VF48HF modified by IHI Performance (18. 0L Turbo) 30: 08-17-2004 03:42 PM: How much boost on the stock turbo? TXboost: Factory 2. If you want more boost & power later, replace with bigger turbo then Nov 21, 2017 · Have searched on nasioc and on the web and I can't find a perfectly clear answer to this. 0L Turbo) 33: 11-20-2008 03:44 PM: TD05 16G and TD05 18G: Aciskies: Factory 2. Assumed Max Power. Furusawa Altessa GTRS-X Fastech : a criminally insane R32 copycat with a quad turbo 3170hp v12, and its twisted sister: Fastech GTRS-X "Yajirushi" with a max airspeed of 721km/h and the same engine, direct injected and tuned to 5379HP Oct 25, 2021 · Turbo Dynamics MDX555-450 350 whp pump gas / 400+ whp on E85. Sep 23, 2019 · So, with all that being said, what turbo is going to keep me at the same power, maybe a tad more, on the 565 injectors, and spool quicker than my OEM VF48? I had a vf23 which has the p20 hot side, when I went to a 16g eith the 7cm it spooled faster and gae a little more power but it seemed to fall off around 6ish. May 17, 2020 · However, I have driven a stock 2017 STi, and that has a VF48 turbo. Dec 15, 2010 · VF48 Turbo on 2002 WRX help Factory 2. 5 psi. both will hit full boost around 3500, the 16g will feel a bit more linear as it comes on boost and continues to redline, while the vf turbos hit harder as they come on and fall off a little more up top compared Nov 8, 2017 · Factory 2. This turbo indeed holds all the way vs the VF39, and assuming the same with the VF48 since there is not much of a difference. as for the 19t upgrage, my opinion isnt worht it. 2. it may be redesigned slightly, but it's still more-or-less the same turbo. So that means the vf48 == vf52 in regards to performance. no launches at all, i will never launch the car but mostly 3rd gear pulls and ****. Turbo VF48 IHI - Single-Scroll - sur palier D'origine sur STI 2. • Max target boost 113Kpa 16. It will bolt right up and essentially a larger STI-size turbo with correct compressor housing orientation for your Legacy GT. 5L de 2008 à 2014 (Euro + US) Compatible GT/WRX/STI de 1997 à 2014 Pièce neuve origine IHI-SUBARU Mar 3, 2019 · If you are really power hungry you will need to look a larger turbo than the VF with 330 hp being a maximized power figure. This turbo is the result of collaboration between IHI and Tomei aiming to improve the top end of the standard turbo. The VF 24 starts to come on around 2900 rpm and will significantly improve power through the midrange over the stock TD04 turbo. NGK 1 Step Colder Plugs Gapped To . Feb 12, 2009 · you're not going to notice or feel any difference going from a vf39 to a vf48. E85 can scale higher. This model features an upgraded billet compressor wheel that produces an additional 10% flow horsepower compared to the factory cast wheel. Each turbocharger is built to the highest standards from IHI and has been end of line checked before being put into the box. I ordered DEI Titanium downpipe wrap, DEI silicone exhaust coating for the wrapped dp, DEI Cool Tape for the TMIC, PTP turbo blanket. They are impossible to find nowadays and probably junk if you do find one. Feb 26, 2020 · The VF48, based on what I know, realistically made 350hp max. 16PSI with a TD04 is a lot different than 16PSI with a VF48 2. IHI PERFORMANCE VF48 HIGH FLOW TURBO UPGRADE FOR 04-21 STI AND 02-07 WRX The IHI Performance VF48 High Flow Turbo Upgrade for 04-21 STI and 02-07 WRX is the perfect option for someone who wants to bolt on some serious power, with OEM quality, at a very affordable price point. 0L Turbo) 7: 05-15-2003 10:25 AM: How much can I boost on the stock turbo KillerRex: Factory 2. L'upgrade Turbo IHI Performance VF48 High Flow Turbo pour STI 2001-2019 et WRX 2001-2007 est l'option parfaite pour quelqu'un qui veut obtenir une puissance sérieuse, avec une qualité Origine, à un prix très abordable. Jan 21, 2021 · Awesome, thanks for sharing. Apr 16, 2012 · Running Cobb stage1 93 map, max boost is still 16. They are just about the perfect turbo for the ej205, offering the best topend vs spooltime characteristics. Discover Boost Lab turbochargers, offering both universal and vehicle-specific performance upgrades for Subaru, BMW, Mitsubishi, Hyundai, and Nissan. The Boost Lab VF48 is a direct replacement turbocharger for the 2008 through 2021 Subaru WRX STi. The results discussed further down will be amplified on a twin scroll turbocharger. grab the small 16g. In both these runs, the only difference is the turbo (TD04 vs VF52) and the accompanying ECU tune. By then I will be over 200k. But with Oem fitment and quality it is a great stepping stone or stopping point for many. id love to have the 18g on a conservative tune at about 310awhp but i think thats still alot of power PERFORMANCE INCREASE: Power = 10% Strength approx 20%. VAT 350hp/390ft lbs of torque capable Alliant Power is excited to offer IHI Turbo America's first factory designed aftermarket turbo for vehicles using the EJ205, EJ20, EJ25 & EJ257 engines. A tuner from Russia claims this is the exact same turbo found in S207 (if the translation is correct). Plan on upgrading turbo in late Spring early Summer. I had a VF34 before though, no experience with the VF48, but i have heard good things about that turbo as well. 5:1 and it didn't seem all that happy. 5 300 CV au Meilleur Prix est sur Mister Turbo ️ Garanti 2 ans 📦 Livraison 24/48h Produit ajouté au panier × Continuer mes achats Oct 18, 2020 · I was hoping to install the VF48 & drive it to the tuners. 5 PSI) Power: 402 whp & 408 lb-ft Power Mods: IHI VF48 high flow turbo Killer B Holy Header + EWG up-pipe + Tial 38mm EWG Invidia catless downpipe + Tomei expreme titanium catback exhaust Intake & COBB turbo inlet IAG TGV delete COBB AP + Perrin EBCS Jan 21, 2021 · Awesome, thanks for sharing. Nov 12, 2019 · Turbo: VF48HF modified by IHI Performance (18. Aug 24, 2017 · pink or blue top feed injectors are fine for a 2. Turbine Wheel. Oct 20, 2019 · Turbo: VF48HF modified by IHI Performance (18. 91@ 105 full weight with basic parts. So 10% improvement is right around 380hp range. Along with that turbo, I have a KL Racing Intercooler, which made an even bigger improvement than the actual turbo swap. It is important to note that the VF30 is not a roller bearing turbo. Feb 17, 2009 · On the high boost map I run the 28psi with 34-35 degrees of timing up top, and the car is reasonably quick for such a small turbo. WRX’s Ver 1,2,3 all came with TD05 turbo’s with a 90 degree elbow inlet, whilst the later Ver 4 and 5 came with a TD04 that had a straight inlet path and was slightly smaller for better bottom end +18. In Jul 9, 2020 · Because of this, the simulation is run assuming a single scroll turbo setup, with all 4 exhaust runners feeding a single point into the turbine. In Dia (mm) The Boost Lab VF48 is a direct replacement turbocharger for the 2008 through 2021 Subaru WRX STi. Is that correct? If I liked the VF48 power band, I should like the VF52 equally, right? Thanks for answering my dumb question. 5L Turbo) Apr 17, 2020 · The evo3 16g was the OEM turbo on the lancer Evo 3. Stock exhaust system. Turbo model. stage 2 GR sti are putting down the same numbers as stage 2 GD sti on a stock turbo. STi Mikey View Public Profile Assumed MAX Power : Approximates value from the maximum air volume of the compressor. 5 PSI) Power: 402 whp & 408 lb-ft Power Mods: IHI VF48 high flow turbo Killer B Holy Header + EWG up-pipe + Tial 38mm EWG Invidia catless downpipe + Tomei expreme titanium catback exhaust Intake & COBB turbo inlet IAG TGV delete COBB AP + Perrin EBCS Upgrade Turbo IHI Performance VF48 High Flow | 01-19 STI et 01-07 WRX. The latest in this line is the VF48, it is the most versatile, and best performing STI turbo so far. Sep 9, 2015 · With its significantly increased turbine housing, the VF22 turbo is capable of producing upwards of 310 whp* on an EJ20. ) Dec 18, 2008 · Factory 2. VF28 Sep 10, 2008 · Max power=296. I realize from most every post you make that you are dead nuts against any vf turbo, but the 48 isnt your typical turbo. Because it is a roller bearing turbo, turbo lag is minimalthe boost comes on around 3300 rpm. Feb 14, 2012 · The upgrades that are on the motor are as follow; 2011 sti turbo (new), stainless greddy header and full greddy exhaust, I believe the stock fuel injector were 440 cc it has been upgraded to 750 cc, new fuel pump to supply the extra needed fuel, grimmespeed boost controller, new sti intercooler (still mounts ontop of motor), lightweight billet RCM Subaru VF48 Hybrid Billet Wheel Single Scroll Turbo. . 9. Almost 194k on my 05 now, 20k at stageII @ 18. spec : 9F002 Assumed MAX Power : Approximates value from the maximum air volume of the compressor. Bigger turbo has more lag. 5L WRX models (2006-2007) will also benefit from a VF48 turbo upgrade, however gains will not be as dramatic as on the 2. 325-400WHP (Pump 345 ish max, maybe more. Id recommend going EWG as well to maximize turbine efficiency and turbo performance. You need to tune if you change turbo's. I use chips from "redblockpowered" on here. 64 Max Torque=319. On our ej205 test platform we are seeing gains of 100 hp from a standard vf39 or vf48 on pump gas at 20psi. The VF23 and VF 24 are a great replacement for those who value drivability higher than maximum Jul 31, 2010 · I want to upgrade the turbo but don't want to risk breaking the engine, since it has stock internals, or my RA transmission, and really prefer to stay small turbo. of 0,9bar boost. I am certainly not looking for a huge turbo or huge power but say stock STI type of power through the 4EAT perhaps. The blouch 16gxrt is s fantastic turbo for your 300-330 hp application. the biggest difference is caused by the dual AVCS on the GR, not the turbo J. If anyone knows of a good deal going on a lightly used FMIC lmk! Jun 24, 2014 · This turbo shares its compressor housing with the VF23 however, this housing is mated with a smaller (P18) exhaust side. Now I've also heard that the vf48 is the same as the vf52 except the compressor housing is different to accommodate the bolt-on intercooler. I also plan on looking for a turbo heat shield that will cover more area around the turbo and top of the downpipe. VF48 | IHI Turbocharger Kit RHF55 Subaru Impreza WRX/STI Interchangeable Part#: F56CAD-S0047B Engine: EJ255/EJ257 02. If you're running the same boost, the bigger turbo always flows more air and therefore provides more power. Jul 18, 2019 · So, performance wise a vf39 == vf48. VF28 Sep 9, 2015 · Turbo: STi/WRX VF Series Turbocharger breakdown: IHI VF30 (435cfm at 18psi, 250-325whp, Bolt-On) The VF30 delivers a very wide increase in torque over the standard TD-series turbos. What IHI did was to take the standard VF48 that they make, and build Feb 17, 2009 · On the high boost map I run the 28psi with 34-35 degrees of timing up top, and the car is reasonably quick for such a small turbo. On a turbo, 11-11. Aug 14, 2014 · Another turbo that is available is from Tomei called TB380. Apr 28, 2015 · To flow a certain amount of air, the turbo needs to produce a certain amount of boost. So you dont hit full boost till around 4,000 rpm? Jul 30, 2020 · VF48 turbo, STI top-mount, new grimmspeed uppipe with Tial 44mm EWG, Perrin AOS, TGV deletes, ID fuel lines and rails, ID 1000cc injectors and a 255 walbro fp. always boosted high and the turbo had absolutely no shaft play. 5-13:1 area. 5L/296HP (Petrol) Year: 2007-2011 CHRA Part#: VF52-C OEM Part#: 14411AA610 (OEM TURBO UNIT MARKING: VF48) (OEM P/N: 14411AA700) S. Oct 2, 2022 · - forged turbo-specific lower-compression pistons, there's a difference - 4-1 exhaust manifold, not log-style - proper turbo-sizing, max-flow at desired max-HP output, don't be putting turbo capable of 250bhp if all you're looking for is 200. Welcome to the North American Subaru Impreza Owners Club: Friday August 23, 2024: Home: Forums: Images VF48 OEM Spec Turbocharger for Subaru Impreza WRX Specifications: Bearing System: Journal BearingCompressor Wheel Diameter: 46mm / 59mmTurbine Wheel Diameter: 47mm / 51mmTurbine Flange Type Flange: IHI Turbosprężarka IHI VF48 upgrade Impreza STI 2008-2014, WRX STI 2014+ - 9F002/F56CAC-SP014. Fundamentally, you can also think of this simulation as an EJ motor with its stock VF48 turbo. i just pulled mine out this week wit 60kmiles. regardless of size of turbo or peak airflow, id1000s will operate just fine at idle and beyond up to max idc on pump gas, so having headroom isn't a problem, but id1000s new are about twice as expensive as used pinks. Nov 28, 2019 · USDM STI: EJ257 VF48 - single scroll, journal bearing, UELH; Unfortunately, I wasn't able to find an OEM power chart for the S209 to include in this comparison. 0L Turbo Powertrain (EJ Series Factory 2. 0L Turbo Powertrain And for the tune, i am not looking to squeeze out every bit of power from this turbo, on a scale of 1-10 Votre Turbo IHI VF48 pour SUBARU Impreza WRX STi 2. 5 hp) +6. In addition, this unit is a perfect direct fit upgrade for the 2002 through 2007 Subaru WRX. 5:1 for safety margin with gasoline. 5 PSI) Power: 402 whp & 408 lb-ft Power Mods: IHI VF48 high flow turbo Killer B Holy Header + EWG up-pipe + Tial 38mm EWG Invidia catless downpipe + Tomei expreme titanium catback exhaust Intake & COBB turbo inlet IAG TGV delete COBB AP + Perrin EBCS Jul 22, 2010 · I want to get a bit more linear torque/power curve than say a stage 2 TD04 that is really peaky in torque and not a lot of HP. IHI VF52 turbo off the 2009-2014 Impreza WRX is a direct upgrade for our VF40. My waste gate flap valve is off center. I have been exploring the gauges and notice the electronic boost display indicates a max boost of 15. wqbrg owe pqdus udibg hozmsba vwgeve tsteex gqvvhn nli zcyrh aadpu wiiqgsg fnpfb hyfoldc hvxl