Looking to give your LB7 Duramax engine a boost in performance? Look no further than the MBRP GMCA425 50 State Legal California Down Pipe! This high-quality down pipe is crafted from full 16 gauge mandrel bent tubing for maximum airflow, and features an extremely durable high temperature ceramic coating. It also deepens the sound of your engine for a more commanding V8 diesel rumble, and lowers EGTs for quicker throttle response. So whether you're looking to add some extra horsepower under the hood or just want to give your truck a more aggressive look and sound, the MBRP GMCA425 is the perfect choice.

• CARB EO Number D-763-2