This 3.5' Turbo Intake Horn, part number WCF100833, is designed for the 2020 - 2024 GM L5P 6.6L Duramax with a factory - style Turbo. It enhances airflow to the turbo by eliminating restrictions in the factory horn right before the turbo inlet. Features include a 3 1/2' intake horn, an O - ring, mounting studs and nuts, powder coating. It's a bolt - on part that doesn't require tuning and fits on stock trucks without any other modifications. Note that this product is not on order and the estimated average lead time is 40+ business days.

Using this intake horn is easy. First, make sure your truck is turned off and cooled down. Locate the old intake horn near the turbo. Remove the old one by taking out the mounting studs and nuts. Then, take your new 3.5' intake horn and align it properly with the turbo inlet. Put on the O - ring and secure it using the provided mounting studs and nuts. You don't need to do any tuning, just bolt it on. When it comes to maintenance, check the intake horn periodically for any signs of damage or wear. You can clean it with a mild detergent and a soft cloth. Keep in mind that the product has an estimated lead time of 40+ business days, so plan your installation accordingly.