MBRP Armor Series 50 State Legal 4" Exhaust Downpipe 11-14 Ford 6.7L Powerstroke material option:Armor Lite HPOP pressure

HPOP pressure

When asked how to upgrade the performance of this engine

prevent issues

Whether your original LBZ injectors have failed and are in need of replacing

MBRP Armor Series 50 State Legal 4" Exhaust Downpipe 11-14 Ford 6.7L Powerstroke material option:Armor Lite HPOP pressureThe factory downpipe on the 6. 7L Powerstroke is very restrictive. This direct replacement from MBRP is designed to drastically outflow the factory unit to deliver more power and lower EGT's (Exhaust Gas Temperatures), all while allowing you to keep your factory emissions devices intact to maintain compliance in all 50 states. This downpipe is available in either aluminized steel(Armor Lite) or T409 stainless steel(Armor Plus) depending on your