The S&B Resonator Delete will have your 6.6L L5P Duramax generating a louder turbo whistle after a quick 5-minute install. Does not work with the S&B Intake. The S&B Resonator Delete eliminates the factory baffle. The factory baffle quiets the turbo and hurts airflow. This inexpensive upgrade is a good addition before you decide to get the S&B Intake.
