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Below are the AMSOIL oil and filter recommendations for your 2006 Subaru IMPREZA with the 2.5L 4-Cylinder.
2006 SUBARU IMPREZA 2.5L 4-CYLINDER ENGINE CODE EJ257
The 2006 Subaru IMPREZA is the enthusiast's pick, and the 2.5L EJ257 turbo boxer under the hood is the reason. Subaru took the proven flat-four and added a turbocharger, creating an engine that makes strong torque from low RPM and pulls hard to redline. The turbo model is the one Subaru fans argue about, modify, and keep for decades.
A turbocharged boxer runs hotter and works harder than its naturally aspirated sibling. The turbocharger itself spins at extreme speeds and depends entirely on oil for lubrication and cooling. Let the oil degrade and the turbo is the first thing to suffer, followed by the bearings and ring seal.
AMSOIL Signature Series is built for exactly this duty. Its film strength holds under boost, its thermal stability resists breakdown in a hot turbo environment, and its detergent package keeps the oil passages clear. For a EJ257 engine, this is the oil that protects the investment.
The 2006 Subaru IMPREZA 2.5L 4-Cylinder requires 5W-30 full synthetic motor oil. Capacity is 4.5 quarts including filter.
Here is what you need:
You need 4.5 quarts of AMSOIL Signature Series 5W-30 100% Synthetic Motor Oil ASLQT-EA which you can learn more about here: AMSOIL synthetic motor oil 5W-30
You need the AMSOIL nano fiber long life oil filter for your IMPREZA which is: EA15K12
Drain Plug Torque Spec: 32.5 ft/lbs - always replace the drain plug gasket when changing oil.
To learn how to get wholesale dealer pricing go to: Where can I buy AMSOIL.
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