Zilla Carbon Fiber Turbo Inlet Upgrade (Twill Weaved)

Features:

• Fits 2004.5-2005 Duramax LLY models
• Maintains full 4 inch intake diameter
• 25 percent larger airflow cross section
• Improves turbo efficiency and response
• Eliminates restrictive factory inlet design
• 100 percent carbon fiber construction
• Lightweight and high strength design
• Includes turbo inlet V-band clamp
• Retains factory CCV connection port
• Removes factory turbo resonator
• Enhances turbo sound and airflow
• Includes high flow silicone coupler

Let Your Duramax Breathe The Way It Was Meant To

If you have spent any time around the LLY Duramax, you already know the factory turbo inlet is a major restriction that holds the truck back. The PPE Zilla Carbon Fiber Turbo Inlet is designed to open things up and let your engine finally breathe the way it should. With a full 4 inch diameter maintained all the way to the turbo, airflow becomes smoother and more consistent, which you can feel in quicker throttle response. Additionally, removing that restrictive factory section helps your turbo operate more efficiently, especially when you start leaning on the throttle. You will also notice a more pronounced turbo sound once the factory resonator is gone, giving your truck a more aggressive feel without going over the top. The carbon fiber construction adds a clean, high-end look under the hood that stands out the moment you pop it open. Built specifically for 2004.5-2005 Silverado and Sierra 2500HD and 3500HD trucks with the 6.6L LLY, it is a straightforward upgrade that makes a real difference you can both hear and feel.

Engineered Airflow Design That Maximizes Turbo Efficiency

The PPE 115010060 Zilla Turbo Inlet is built to eliminate the airflow limitations found in the factory LLY intake path. By increasing the cross sectional area by 25 percent and maintaining a consistent 4 inch diameter, it reduces turbulence and allows air to move more efficiently into the compressor. This improved airflow helps the turbo spool more effectively, resulting in better throttle response and overall engine performance. Furthermore, the inlet is constructed from 100 percent dry prepreg carbon fiber, offering a strong yet lightweight solution that resists heat and maintains structural integrity under demanding conditions. The design also retains the factory CCV system through a threaded aluminum adapter, ensuring proper function without compromise. A high flow silicone coupler is included to create a smooth transition from the factory intake tube, minimizing restrictions at the connection point. Installation is completed with the included V-band clamp, providing a secure and precise fit at the turbo inlet. Altogether, this system is designed to improve airflow efficiency while maintaining reliability for long-term performance.

Fitment: 2004.5, 2005 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LLY

Notes:

• Only fits 2004.5-2005 LLY Duramax engines
• Requires trimming factory intake tube
• Factory turbo resonator is removed
• May increase turbo sound inside cabin
• Designed specifically for LLY inlet restriction
• Retains factory CCV system connection
• Works with factory airbox and intake
• Professional installation recommended for best fitment

Install Instructions