Wehrli Custom Fab Stage 3 High Flow Bundle Kit for 2007.5–2010 Chevrolet 6.6L Duramax LMM in Chevy Orange groups a 4" intake and air box with dry filter, 4.8" intake horn, 3" driver and 3.5" passenger intercooler pipes, a two-piece 3" Y-bridge, CNC flanges with double O-rings, and a 3" stainless downpipe to address weak factory components and provide improved airflow and intake cooling.
Wehrli 07.5-10 Chevrolet 6.6L Duramax LMM Stage 3 High Flow Bundle Kit - Chevy Orange