Corsa Performance DryTech 3D Air Filter (5160) 3rd Works with original equipment manufacturer

Works with original equipment manufacturer vehicle electronics

These can also be vented 100% to atmosphere if you're tuning the car

With nearly ideal 50/50 balance and continuous improvements adding the magnetic ride control

as of September 2012

Option 2:  Borla 11855

Corsa Performance DryTech 3D Air Filter (5160) 3rd Works with original equipment manufacturerPRODUCT DESCRIPTION DryTech 3D Synthetic Dry Filter CORSA Performance DryTech 3D Air Filters maximize power and filtration performance while reducing maintenance. Using specialized hydrophobic polysynthetic fibers, CORSA Performance DryTech 3D Filters boost filtration capacity, lengthening time between maintenance intervals up to 50K miles depending on driving conditions. By vastly increasing media depth through unique pleating geometry, each filter