The Wehrli Custom Fab 4" intake kit for 2020–2025 Duramax L5P 6.6L trucks replaces restrictive factory plastic parts with a high-flow fabricated aluminum pipe and airbox assembly finished in custom powder coat. The bolt-on kit increases airflow to the turbo, producing improved horsepower and torque along with quicker throttle response and cooler intake temperatures. It installs with basic tools and includes dry filter, silicone boot and stainless T-bolt clamps.
Wehrli 20-24 Chevrolet 6.6L L5P Duramax 4in Intake Kit - Bengal Red