SLP Air Filter, 2006-08 Trailblazer SS Blackwing High-Flow.

This easy-to-install Blackwing™ air filter is designed to fit the 2006-07 Trailblazer SS as a High-Flow replacement. It is designed to fit and seal properly, while featuring airflow and filtering properties that are superior to that of the stock paper unit, resulting in improved horsepower and torque. The filter is a reusable design that can be cleaned and re-oiled at normal service intervals.