Wehrli Custom Fab Stage 3 High Flow Bundle Kit for 2007.5–2010 Chevrolet 6.6L Duramax LMM in Bengal Red pairs a 4" aluminum intake and dry filter assembly with a 4.8" turbo intake horn, 3" driver-side and 3.5" passenger-side intercooler pipes, a reinforced two-piece 3" Y-bridge, CNC flanges with double O-rings, and a 3" stainless steel 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 Red