Wehrli Custom Fab 3.5" intercooler outlet elbow for 2006–2010 Duramax LBZ/LMM replaces the factory plastic piece with a 14-gauge fabricated aluminum outlet and CNC-machined billet flange with double O-rings. The kit includes a new wire clip ring, HD silicone 3.5" x 3" reducer boot with stainless T-bolt clamps and a durable powder-coat finish, and is designed for use with aftermarket intercooler piping and turbo kits needing a bead-roll connection.
Wehrli 06-10 GM LBZ/LMM Duramax Passenger Side Intercooler Outlet Elbow Kit - WCFab Grey