Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit - Raw Exhaust- Mufflers & Tips>Catalytic Converter Direct Fit for convenience in accessing the

Wehrli 01-04 Chevrolet Duramax LB7 S300/S400 Single Turbo 3in Y-Bridge Kit - Raw Exhaust- Mufflers & Tips>Catalytic Converter Direct Fit for convenience in accessing the3" High Flow Y Bridge for custom fabrication use. Not a direct OEM replacement. Does bolt to OEM intake runners. 3" Bead Roll Connection at inlet. 14 ga Aluminum neck and TIG welded CNC machined billet aluminum center section and flanges. Includes bungs for MAP sensor installation and 1 8" NPT accessory port. Raw aluminum finish requires additional finishing after purchase to prevent oxidation. The factory LB7 Duramax Y bridge is a significant

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