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5 Turbo STi 2012 Subaru Impreza Engine: 2
Easy to install between your existing springs and the vehicle frame
Ideal for Road Racing
the controllers for the AFM valves in the exhaust system should be re-calibrated according to GM Document ID 5406413
aFe Magnum FLOW Universal Air Filter w/ Pro 5R Media (24-40509) 1536 5 Turbo STi 2012 SubaruMagnum Flow Pro 5R Round Tapered Blue Air Filter (24 40509) by aFe. This high flow Pro 5R air filters are constructed with 100% polyurethane on all sides and will out flow the stock paper filters for improved performance. Five layers of progressively finer cotton media provides maximum air flow. Washable and reusable for multiple cleaning cycles, the tall, open and evenly spaced filter pleats provide excellent dust holding capacity for longer service