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Wehrli's 3" high-flow Y-Bridge kit for 2007.5–2010 LMM Duramax replaces the OEM upper intake bridge with a bolt-together, two-piece 3" assembly to improve airflow and sealing. The kit includes mandrel-bent intercooler pipes, CNC billet flanges and hardware, and is compatible with stock lower passenger-side intercooler pipe and emissions controls. It installs without additional modifications or tuning.
Wehrli 2007.5-2010 LMM Duramax High Flow 3in Y-Bridge Kit- Bengal Blue
