The Blouch Dominator 5.0XT - R is the ultimate bolt - on turbo for Subaru WRX and STi from Blouch Performance Turbo. It can deliver a whopping 650HP! Here are its amazing features: a state - of - the - art billet 'XT - R' 65 lb/min compressor wheel, a custom 3' inlet bellmouth compressor housing for better fit and performance, a Garrett GT CHRA with a full ball - bearing system, a high - efficiency Garrett GT turbine wheel, a unique Blouch custom 10cm2 turbine housing, custom coolant pipes with banjo bolts and copper washers, a braided stainless - steel turbo oil feed line, an installed turbo oil feed restrictor for top performance, an installed turbo oil drain tube, and included turbo mounting gaskets. Note that due to the large 65 lb/min XT - R compressor wheel, it needs a 3' inlet. Also, TGV deletes and an external gate uppipe are required.

Using the Blouch Dominator 5.0XT - R turbocharger is straightforward. First, make sure you've got the necessary 3' inlet and have done the TGV deletes and installed the external gate uppipe. When installing, use the included mounting gaskets and connect the oil feed and drain tubes carefully. As for maintenance, check the oil feed line regularly to ensure there are no blockages. Replace the oil at recommended intervals to keep the turbo running smoothly. If you notice any unusual noises or a drop in performance, it's time to have it checked out.