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Subaru WRX STi Turbo Oil Supply Feed line Kit. For those of you who are building your own turbo kits and need a braided oil supply line, we have the solution for you. The STi factory oil supply hard line takes a special adapter that we manufactured into a one piece line. Oil line comes with a 90 degree fitting with 1/8" NPT to screw into most turbo oil inlets. This is used on 04-06 STi and 08 to 2012 STi's. 07 was the odd ball year, and uses a banjo style hook up like the WRX.
Treadstone Performance Warranty