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The K&N roto‑molded cold air intake for 2006 GM TrailBlazer and Envoy with the L6‑4.2L engine increases airflow with a high‑density polyethylene intake tube and includes a washable, reusable high‑flow oiled cotton filter. The oversized filter can allow up to 100,000 miles between services under normal highway use. A custom heat shield helps protect intake air, and the system is covered by K&N’s lifetime limited warranty.
K&N 06 GM Trailblazer/Envoy L6-4.2L Performance Intake Kit
