Wehrli WCFab high-flow intercooler pipe kit for 2011-2016 Duramax LML replaces factory two-piece and plastic pipes with larger one-piece 3-inch and 3.5-inch pipes to increase airflow, reduce boost leak risk and improve throttle response and turbo spool-up. Includes 3-inch upper crossover (approx 18% airflow gain), 3-inch driver side and 3.5-inch passenger cold pipe (approx 23% gain), billet turbo resonator plate, threaded bung for OEM intake temp sensor and upgraded silicone boots. Finished in Candy Red; bolt-on, made in USA.
Wehrli 11-16 Duramax LML High Flow Bundle Kit Stage 1 - Candy Red