Dynomite NOZ-DLB7-25 Nozzle Set 25 Percent Over | 01-04 GM 6.6L Duramax 2500HD / 3500HD

Duramax 01-04 LB7 Nozzle Set: 25 percent over, approximately 50 RWHP over stock. Nozzles can support up to 625-650 RWHP with proper supporting modifications. Safe on stock trucks. Excellent street manners and MPG.