aFe Magnum SHIELD Pre-Filter (28-10172) 1 5" drop on most applications

5" drop on most applications

104 Square Drive

Special Comments: Sport 1994 Porsche 968 Engine: 3

it also has flattened sections which severely limits the performance gains from fitting a high efficiency manifold

Reliable Operation: Durable materials and precise engineering provide a dependable connection for your ECU

aFe Magnum SHIELD Pre-Filter (28-10172) 1 5" drop on most applicationsMagnum Shield Pre Filter (28 10172) 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,