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Blouch Dominator 1.5XT-R 10cm^2 Ceramic Coated Turbo 3in Inlet ( Part Number:BLC DOM1.5XT10CM3INCOAT)

Blouch Dominator 1.5XT-R 10cm^2 Ceramic Coated Turbo 3in Inlet - Subaru Models (inc. 2002-2007 WRX / 2004+ STI)

Manufacturer Part # DOM1.5XT10CM3INCOAT


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When it comes to aftermarket turbochargers for this particular platform, Blouch Performance Turbo is among one of the more popular choices among enthusiasts because they are built using careful manufacturing methods to produce a more powerful direct bolt-in option. On this page, you are looking at their Blouch Dominator 1.5XT-R 10cm2 Ceramic Coated Turbocharger. 

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 turbos. 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. Rated for 480 HP with supporting modifications. 

Note that this particular turbocharger will come with a ceramic coated exhaust housing for extra protection against heat and corrosion, and it will also come supplied with both coolant and oil drain pipes already installed. Additionally, an oil feed line, new hardware, as well as a new downpipe and up pipe gasket will be included to make this turbocharger ready for the installation. 

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Brand: Blouch
Bearing Type: Ball Bearing
Cartridge: Garrett
Exhaust Housing Size: 10cm
Fitment: OEM Upgrade
Gaskets Included: Yes
Inlet Size: 3.0in
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

Great stock location turbo upgrade! 375whp/363tq on CA91
zzyzx85 1 year ago
When I started planning out my build, I didn't want to sacrifice driveability for max power. I track my car, as well as cruise in the mountains, so I appreciate a linear powerband. I also use my STI as a daily driver so I didn't want a car that felt flatfooted in city driving. After some research, I decided the Blouch Dominator 1.5XT-R was the right turbo I was looking for. Paired up with GSC S1 cams, ID1000 injectors, a Perrin 3" inlet, Tomei EL headers (as well as other supporting mods), I was able to net 375 whp and 363 lb-ft on CA 91 gas with a very linear and broad powerband that climbs all the way to the 7000 rpm redline and spools up quick! Can't go wrong with Blouch for a stock location turbo!

Verified Purchase

1.5 xtr built motor 93 pump 21.5 psi 10cm Mustang dyno
ate2aqtr92054 3 years ago
Made 386/361 ....add 10-15% for dyno jet numbers and another 10% on either for E85 tune Great street turbo spools great and holds well up car is setup for larger turbo (S2 cams heads ported 3 angle valve job beehive springs) which is why torque is slightly down Also have CF driveshaft, large Tmic,tgv deletes and turbo has 3" inlet.......this is a great stock location small turbo! I wouldn't hesitate using it on stock block at 350/360 MD ish power....not a 400whp turbo unless e85 and or higher reading dyno guess is about 415 on E85 my setup Mustang dyno.....which would be great but my block is setup for 600whp so next spring will be version 2.0
travelguy2k 1 year ago
If you haven't done your upgrade yet, i have a 3.5 xtr 3" 10cm i'm looking to trade for a 1.5xtr 3"10cm
Verified Purchase

Fantastic Turbo 2011 STI
dgillett421520963 3 years ago
This turbo pulls hard all the way to redline.. With the supporting mods this turbo can easily do 500whp. I have 1100 cc injectors, 3in intake, 3in turbo back exhaust, 6 puck clutch, TGV deletes, front mount intercooler. I still have stock internals in my block so my tuner has "turned down" the potential of this turbo as to not break the block, in the future I will run a built block. On a Mustang Dyno with E85 376 whp and 351 torque, this is with the "Heartbreaker Dyno". The spool comes on a tad bit later than the stock turbo but when it does hold on.... I would highly recommend this turbo with the 3in inlet.

jonsimonton86655 9 months ago
I wouldn't say easily do 500whp... I had the Blouch 3.0 XTR 10cm with 3 inch inlet running a fully built block, E85, 1000cc injectors etc etc... and at 27PSI I hit 504WHP and 478 torque. If you want 400+ WHP I'd suggest another turbo unless you have CAMS too.

  • Q: Aftermarket TMIC vs Aftermarket FMIC  Brasso 4 months ago


    Hey RSD, first of all, love the site and all that you do. Currently, only a Cobb SF intake and turboback are on my 2015 STI. I'm contemplating getting this turbo in combination with ID 1050X injectors, IAG fuel rails and lines, an AEM 320 pump, and TGV deletes. I know I'm right on the edge of needing something more than the stock TMIC. Would it be a waste to go aftermarket FMIC? Should I just go with an aftermarket TMIC? Could use some advice.

    • A: I'd recommend Grimmspeed's TMIC for your setup. It flows more than enough air for this turbo, but would not come with the added lag that front mounts can cause.

      Marcus E. 2 months ago
  • Q: oil feed line: WRX or STI?  zzyzx85 2 years ago


    Is the included feed line for WRX or STI? Is there a difference between the two?

    • A: This feed line will work on some of the WRX's and STi's. If this turbo is confirmed for your car, the feed line will work.

      Chris W. 2 years ago
  • Q: TGV deletes?  Mathias 3 years ago


    Would this turbo install require TGV deletes?

    • A: Most 3 inch turbo inlet hoses require TGV deletes, and whether deletes are required or not depends on which inlet hose you use.

      Zach G. 3 years ago
  • Q: Spool time  Mathias 3 years ago


    Between the 10cm and the 8cm, which would spool up quicker and have closer to stock spool characteristics?

    • A: An 8cm housing will spool quicker because there is less volume for the exhaust to fill.

      Zach G. 3 years ago
  • Q: Oil feed  Boxercide 4 years ago


    Does this come with the oil feed line?

    • A: An oil feed line is included with this turbo.

      Zach G. 4 years ago