Cusco 08-17 Impreza (GR/GV/VA) Turbo Intercooler Protection Grill Kit Blue w/Blk Mesh Engine - Oil System_Dry Sump Kits Turbosmart IWG75 Wastegate Actuator Suit

Turbosmart IWG75 Wastegate Actuator Suit GM LTG 2

With coolant flowing through your engine at an earlier stage (thanks to a low temp thermostat) the next area to make significant temperature drops would be a performance radiator

With the original Subaru pistons long since disappeared from production and stock

With a tensile strength much higher than that of the OEM bolts and the increased stability provided by the Fuji Racing studs larger diameter when further combined with the more uniform clamping force provided by the stud and nut arrangement it is clear why so many successful engines run these kits

Perrin 08+ STi FMIC Red Boost Tubes w/ Black Silicone

Cusco 08-17 Impreza (GR/GV/VA) Turbo Intercooler Protection Grill Kit Blue w/Blk Mesh Engine - Oil System_Dry Sump Kits Turbosmart IWG75 Wastegate Actuator SuitCusco 08 17 Impreza (GR GV VA) Turbo Intercooler Protection Grill Kit Blue w Blk Mesh