aFe Magnum SHIELD Pre-Filter (28-10021) 18210 Cast T304 stainless steel valve

Cast T304 stainless steel valve housings with ECU factory valve actuation

This kit includes both " and 3/8" PTC fittings

Click Here For Install Instructions for Porsche Homelink Connection For Valvetronic Exhaust Control

These 1-7/8 BBK Performance full length long tube exhaust headers offer unsurpassed quality and fitment using top quality materials and American craftsmanship

Seeing that there are power restrictions from the bolt on exhaust systems that are currently available on the market

aFe Magnum SHIELD Pre-Filter (28-10021) 18210 Cast T304 stainless steel valveMagnum Shield Pre Filter (28 10021) 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,