Chevrolet/GMC Diesel

Wehrli 2" Stainless Single Turbo Style Pass Side Up Pipe for OEM or WCFab Manifold with Gaskets for 2001-2004 LB7 Duramax

Wehrli 2" Stainless Up Pipe Kit for OEM or WCFab Manifolds w/ Gaskets for 2011-2016 LML Duramax

Wehrli 2.75" x 3" ID Straight Reducer 4.5" Long Silicone Boot and Clamp Kit for 2003-2007 5.9L Cummins and 2017 to 2024 L5P Duramax

Wehrli 3" Down Pipe for 2004.5-2010 LLY/LBZ/LMM Duramax

Wehrli 3" Stainless Down Pipe (3 Bolt Flange) 2015.5-2016 LML Duramax

Wehrli 3" Stainless Down Pipe for 2011-2016 LML Duramax

Wehrli 3.5 Inch Turbo Intake Horn for 2020-2024 L5P Duramax

Wehrli 3.5" Passenger (Cold) Side Intercooler Pipe Kit for 2006-2010 LBZ/LMM Duramax

Wehrli 3.5" x 4" ID Straight Reducer x 3" Long Silicone Boot and Clamp Kit for 2001 to 2004 LB7 Duramax

Wehrli 4" Cold Air Intake Kit with Air Box for 2001-2004 LB7 Duramax

Wehrli 4" Cold Air Intake Kit with Air Box for 2011 to 2016 LML Duramax

Wehrli 4" Cold Air Intake Kit with Air Box for 2020-2025 6.6L L5P Duramax