Rudy's Fuel Rail Plug For 01-04.5 GM Chevy Silverado GMC Sierra 6.6L Duramax LB7 m coupe Tested in competition setups with

Tested in competition setups with fueling mods to support making 700+ RWHP

00 to MSRP)

Features Flowmaster W

EGT (exhaust gas temp)

Rudy's Fuel Rail Plug For 01-04.5 GM Chevy Silverado GMC Sierra 6.6L Duramax LB7 m coupe Tested in competition setups withEliminate the low fuel rail pressure diagnostic trouble codes in your 2001 2004 GM 6. 6L Duramax LB7 with the DP0405 Duramax LB7 Fuel Rail Plug. The DP0405 features a solid design and eliminates the possibility of fuel being returned to the fuel tank. As a result, you get consistent fuel rail pressures so you have the fuel you need to support hard acceleration, aftermarket tuning, and other performance upgrades. Each plug comes ready to install and is