PPE High Flow Exhaust Manifolds with Up-Pipes-50 State Legal 01-04 GM 6.6L Duramax LB7 MACS-513208 aiding the injection system by

aiding the injection system by reducing the amount of work your factory injection pump has to perform

Mishimoto also includes a sight tube for easily checking your coolant level

replacing it with a new machined aluminum adapter that features a double o-ring seal on the OUTSIDE of the oil pan

The ICON Vehicle Dynamics 2015+ GM Colorado/Canyon Stage 5 suspension system is an excellent choice for those drivers looking to enhance the capabilities of their pickup on the road as well as optimum performance in the dirt

PPE High Flow Exhaust Manifolds with Up-Pipes-50 State Legal 01-04 GM 6.6L Duramax LB7 MACS-513208 aiding the injection system byIntroducing high flow performance for your Duramax that is 50 state legal! The factory manifolds and up pipes on the GM Duramax's have several design flaws that reduce potential exhaust flow. One of the larger draw backs is that the drivers side manifold has a large indentation in it for excessive clearance tolerances that is unnecessary. Secondly, the factory up pipes are weak and prone to warping when sustained heat is prevalent. Replacing your