This is the Blouch Dominator 3.0 XTR 10cm2 Turbocharger for the 02-07 Subaru WRX and 04+ STI. This is a ball-bearing turbocharger that can support up to about 550 horsepower with supporting modifications. It offers quicker spool characteristics when compared to a conventional journal bearing design and provides excellent top-end capabilities as well.  DETAILS: Part of Blouch's XT-R line of turbochargers Billet compressor wheel design optimize the aerodynamics of a turbo and increase compressor flow within the same inducer geometry Designed with Garrett GT turbine and full ball-bearing technology Adjustable wastegate actuator Wastegate actuator is pre-calibrated to 15 psi 55 lb/min compressor housing 10cm2 housing 3 inch inlet Supports up to 550 HP Complete bolt-on package Includes stainless steel oil feed line Includes oil drain tube and coolant lines Includes new gaskets and hardware SPECIFICATIONS Brand: Blouch Bearing Type: Ball Bearing Cartridge: Garrett Exhaust Housing Size: 10cm Fitment: OEM Upgrade Gaskets Included: Yes Inlet Size: 3 INCH Oil Line Included: Yes Ported Turbine Housing: Yes Rated Horsepower: 550hp Scroll: Single Wastegate: Internal Mfgr. Warranty: 6 months / 6,000 miles Condition: New Product Return Policy: Standard