Air Filter - Porsche recommends checking the air filter every 15,000 miles, and replacing them every 30,000 miles. Make sure you're not choking your engine for air!
Factory replacement filters, directly from Porsche. Fits all 2005-2008 Carrera or Carrera S models (including 4, 4S, and targa models).
Note: "X51" - Carrera S models with the X51 performance package will have a carbon fiber airbox with dual filters. If you have this system, select the "X51" option on the list.