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

2001-2016 Duramax S400 Valley Turbochargers

(01 LB7 requires AC line re routing)

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This idler can be used with lifted

Our custom billet adapter fittings are made from billet aluminum to prevent rusting both internally/externally and are precision machined for a leak free design

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