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Blouch Dominator 1.5XT-R 8cm^2 Turbo ( Part Number:BLC DOM1.5XT8CM^2)

Blouch Dominator 1.5XT-R 8cm^2 Turbo - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)

Manufacturer Part # DOM1.5XT8CM^2


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Investing in a larger turbo as well as supporting mods is one of the best power upgrades you could buy. Blouch is the leader in turbo development; they consistently build the best turbo's. The new XT-R line of turbos from Blouch consists of a billet compressor wheel to optimize the aerodynamics of a turbo and increase compressor flow within the same inducer geometry.

All of this combined with Garrett GT turbine and full ball bearing technology to produce a complete bolt-on package that includes stainless steel turbo oil feed line and steel oil drain tube and coolant lines. Adjustable upgrade actuator is standard issue on the 1.5XT-R and is pre-calibrated to operate at 15 PSI unless otherwise specified. The 1.5XT-R has a 56mm turbine to promote better spool up and a better overall turbo.

With the 8cm2 housing, this turbo will spool up slightly faster than the 10cm2 version of the 1.5XT-R. With the faster spool comes a slight loss in the top end.

Included with this turbocharger will be the coolant and oil drain pipes, along with a stainless steel oil feed line along with new gaskets and hardware to make this turbocharger ready for the installation. 

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Brand: Blouch
Bearing Type: Ball Bearing
Cartridge: Garrett
Exhaust Housing Size: 8cm
Fitment: OEM Upgrade
Gaskets Included: Yes
Inlet Size: OEM
Oil Line Included: Yes
Ported Turbine Housing: Yes
Rated Horsepower: 480hp
Scroll: Single
Wastegate: Internal

Mfgr. Warranty: 6 Months / 6,000 Miles
Condition: New Product
Return Policy:

RallySport Guarantee - 30 Days

Items that are covered under the RallySport Guarantee offer a 30 day no questions asked return policy.

RallySport Guarantee items may be returned within 30 days of the original invoice date and must include all the original parts and contents for a refund.

The RallySport Guarantee does not apply to products that have been modified, damaged, misused or abused. All returns require an RMA (Return Merchandise Authorization) Number, and freight charges are strictly non-refundable. For more information regarding our freight refund policy, please refer to our return policy page found HERE.



Verified Purchase

1.5 Dom
Jsuey 1 year ago
Wow this 1.5 is sick!! With a built block and supporting mods this can push towards 450whp and then some!!!
Jussblaze 11 months ago
What kind of mods are you pushing cause I have the same turbo with a built motor and I'm pushing around 330whp and I was told that that was the max I could get out of the turbo
stage2.1wrx 11 months ago
Something else is wrong if your tuner is telling you 330whp is all you can get out of this turbo
Nik 10 months ago
Yeah it sounds like you either need more supporting mods or your tuner is a nut
jc0127 10 months ago
what you definitiely need to upgrade are your injectors new pistons and preferably go front mount intercooler
jonsimonton86655 8 months ago
I had a fully built motor with all supporting mods and when running my Blouch DOM 3.0 XTR on E85 and 27PSI I hit 504WHP... So I'm not sure how accurate that 450WHP claim is... Given I maxed out the 3.0 and maxed out my 1000cc injectors I'd guess 400whp is probably more accurate for this turbo.

1.5xtr on a hybrid
josh9239922059 3 years ago
The spool up isn't far from the vf48 I was running and I'm at full boost at about 4300rpm. RSD shipped it well and it got to me fast. Install was about 1.5 hours in the gravel because my garage was blocked. Figment was very good and I think I'll even be able to get the stock heat shield on to keep smog guys satisfied
Verified Purchase

2011 WRX Dom 1.5XTR on 91 oct
Pandon 5 years ago
Had this on my car for a month now. Car put down 328whp 318wtq on a conservative tune. Spools slightly later than stock but drivability is still good and makes power to redline. Full boost at 3900rpms.
Verified Purchase

Best bolt on turbo choice for a 2.0L engine
kikebelle27549 6 years ago
Fantastic turbo for a 2.0L STI (french model) My car made 440HP on E85 at 23 PSI Mods: ID 1000cc, Tomei Unequal Length Headers, raill // perrin, Blitz sus power filter, Fujitsubo 76 exhaust, Walbro 255 Fantastic spool Note: When I bought this turbo the turbine housing was defective, no problem Rallysportdirect have send to me a new one for free directly from Blouch. I havent to return my defective turbo. Great deal

  • Q: Blouch Dom 1.5xtr  knauss3423047 25 days ago


    Will the sti pink 565cc top feed injectors be enough to rum this turbo on a conservative tune ?

    • A: The STI pinks wouldn't flow enough for this turbo. I'd recommend at least 850cc injectors for a conservative pump gas tune.

      Marcus E. 24 days ago
  • Q: Stock Engine 2017 sti  xuzhen9241 11 months ago


    Hey RSD just few questions: With DW65 pump, ID 1050X, iaG fuel rail, Aeromotive FPR, Process West TMIC, EWG (GS uppipe ), STOCK ENGINE, do you guys know how much wheel power this turbo can make with? Using the GS uppipe with EWG, can I still use GS wastegate bracket to this turbo or I need to buy another bracket? Can I still use COBB heat shield? Thanks!

    • A: This turbo does not confirm fitment with the Cobb heat shield, Yes you can use the GS wastegate bracket but it will need to be the universal one. Determining HP is hard to tell though. It is best to consult a tuner for more exact HP.

      Tyler A. 11 months ago
  • Q: Inlet size of Bloch 1.5xtr?  Xcombo9923395 2 years ago


    Is this turbo the 2.5 inch inlet or the 3 inch model? Just want to make sure it will instal fine with standard size turbo inlet tube.

    • A: This is the OEM (2.4 inch) sized inlet version.

      Josh P. 2 years ago
  • Q: 2011 wrx fitment  Ahernj62244291 3 years ago


    Will this bolt up to my 2011 wrx hatch limited ? Mods : - invidia catless dp - invidia n1 catless race exhaust - tomei el headers - tomei up pipe - Perrin tmic - grimmspeed manual boost controller - one step colder plugs I plan on getting Id 1000's as well to go with this

    • A: Due to the 08+ WRX turbo design, additional modifications would be necessary for this turbo to fit. In order to run a traditional style turbo (02-07 WRX and 04+ STi turbo) we recommend upgrading to the Process West Verticooler and the Process West Traditional Turbo Upgrade Hose, which both are able to be located here on our site.

      Brady R. 3 years ago
  • Q: Stock Engine  Bryce.Robinson 3 years ago


    Would I be able to get away with keeping the engine stock while pushing 350+ horsepower? I have a 320iL pump, 1000cc injectors, full exhaust, intake, BOV, and EWG with up pipe to support the turbo but don't know if I would need the engine rebuilt to handle a new turbo. This is on an 06 STi

    • A: As long as you have a proper tune and supporting modifications the stock STI engine should be fine.

      Nick S. 3 years ago
    • A: You can get away with it, but definitely would look into some sort of closed deck clock. I was pushing around 320-330whp on stock internals, and similar mods. Block was done at 120k. Was tuned for around 15-20k miles with a perfect compression test done at 100k. Just be careful.

      CDuBB 11 months ago
    • A: Yeah...The EJ257 stock block can handle over 500whp just fine, a few internal changes once after 500whp. Crawford Performance not only has advertised the block can handle up to 500whp without internal mods, but they've always written me confirming this.

      Rainerelliott32659 10 months ago
    • A: In response to Elliot, we have confirmed that number to the crank, not the wheels for our base S2 block with forged pistons. We recommend forged pistons if you are to push to 400whp. Anything less the OEM block can handle with a solid tune and maintenance.

      Crawford Performance 9 months ago
    • A: In response to Elliot, we have confirmed that number to the crank, not the wheels for our base S2 block with forged pistons. We recommend forged pistons if you are to push to 400whp. Anything less the OEM block can handle with a solid tune and maintenance.

      Crawford Performance 9 months ago