Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware Drivetrain>Diff Covers An in-line check valve ensures

An in-line check valve ensures boost stays where it belongs

They are SAE/DOT approved for street legal use

BBK High Flow performance X pipes are designed to maximize the horsepower and torque of your 2011-2017 Ford Mustang 3

This complete air filter assembly has an all stainless steel top and base with a mirror finish

Wehrli 01-16 Chevrolet Duramax Exhaust Manifold Kit w/ Gaskets & Hardware Drivetrain>Diff Covers An in-line check valve ensuresWCFab's 2001 2016 Duramax Billet Exhaust Manifolds replace the restrictive factory cast parts with high strength, TIG welded high flow billet steel components. These manifolds are exhaust port gasket matched and internally divided for optimal flow with OEM or ported cylinder heads. Outlet locations allow full compatibility with OEM style up pipes and are designed to be paired with WCFab's 2" Stainless High Flow Up Pipes (sold separately) for optimized