Wehrli Custom Fab Stage 3 High Flow Bundle Kit for 2007.5–2010 Chevrolet 6.6L Duramax LMM combines a large 4" aluminum intake, 4.8" turbo intake horn with PCV port, upgraded 3" driver-side and 3.5" passenger-side intercooler pipes, a bolt-together 3" Y-bridge, and a 3" stainless steel turbo downpipe. The kit increases airflow to the turbo, improves intake velocity and cooler intake temps while retaining factory sensors and bolt-on fitment.
Wehrli 07.5-10 Chevrolet 6.6L Duramax LMM Stage 3 High Flow Bundle Kit - Bronze Chrome