Aero Exhaust AT4040 Aero Turbine Muffler requires-mpvi 2001-2016 Duramax S400 Valley Turbochargers

2001-2016 Duramax S400 Valley Turbochargers

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DP Customs 2001-2019 Duramax HD Flexplate — The DP Customs HD Flexplate replaces the weak factory flexplate which is prone to failure and increases strength with almost double the thickness

Aero Exhaust AT4040 Aero Turbine Muffler requires-mpvi 2001-2016 Duramax S400 Valley TurbochargersThe Aero Exhaust AT4040 Aero Turbine Performance Muffler provides your truck with a deeper, more aggressive exhaust sound. The AT4040 is the only performance muffler that will give you the performance of a full system without breaking the bank. This Muffler is designed for high output diesel engines and features a patented airfoil technology that increases horsepower, torque, flow and also reduces temperatures. Most vehicles have extreme restrictions