Wehrli Custom Fab Stage 3 High Flow Bundle Kit for 2007.5–2010 Chevrolet 6.6L Duramax LMM in Bengal Silver pairs a 4" intake with air box and dry filter, a 4.8" intake horn, heavy-duty 3" driver-side and 3.5" passenger-side intercooler pipes, a robust two-piece 3" Y-bridge, CNC flanges with double O-rings, and a 3" stainless downpipe to improve turbo airflow and intake temperatures without requiring tuning.
Wehrli 07.5-10 Chevrolet 6.6L Duramax LMM Stage 3 High Flow Bundle Kit - Bengal Silver