The unrestrictive design of the HSP LLY Max Air Flow Bundle provides your 2004.5-2005 GM 6.6L Duramax LLY with optimum airflow. The Max Air Flow Bundle has a 4” Intake Tube and HSP’s signature heat shield that prevents warm air from entering the engine. 3” mandrel bent Hot and Cold Side Tubes included with the Max Air Flow Bundle pair with the included Max Flow Y-bridge and Turbo Mouthpiece. Made in the USA, the Max Air Flow Bundle includes 5 layer silicon boots and comes in multiple color options.
- Made In The USA
- Improves Air Flow
- Multiple Color Options
- Replaces Underperforming Components