The COBB high-flow air filter is included in the Stage 1 power package for 2007–2009 Mazdaspeed3 Gen 1 models. Provided as a drop-in replacement element, the filter increases intake airflow relative to the stock unit while maintaining filtration, and is intended as a simple consumable upgrade within the Stage 1 package for everyday and spirited driving.
Cobb 07-09 Mazdaspeed3 Gen 1 Stage 1 Power Package