aFe Magnum SHIELD Pre-Filter (28-10133) 1594 Visually improves the appearance of

Visually improves the appearance of your engine bay Runs Great on Stock Tune - No CEL

Heavier Spring & Larger Diaphragm: Keeps wastegate valve seated longer which improves power

Compatibility: Subaru EJ207 with SINGLE AVCS

Note this catalytic converter meets EPA standards but is not legal for California emissions

aFe Magnum SHIELD Pre-Filter (28-10133) 1594 Visually improves the appearance ofMagnum Shield Pre Filter (28 10133) by aFe. aFe Magnum Shield Pre Filters protect your performance air filter and extends your filter cleaning intervals by removing large particles from the air stream prior to the air filter. This pre filter does not restrict air flow and is made of a dry weave fabric that does not attract dirt and cleans with soap and water. aFe (Advanced Flow Engineering, Inc.) manufactures performance products for late model cars,