Wehrli Fab
Wehrli 100649 Y-Bridge | 01-04 GM 6.6L Duramax LB7
The LB7 3" Y-Bridge is an upgraded high flow intake bridge for the 2001-2004.5 LB7 Duramax. The OEM LB7 Y-bridge measure’s only 2 3/8” ID, our fabricated bridge is 3" and we use an HD...