aFe Power 4in DPF-Back Exhaust GM Silverado/Sierra 2500/3500 11-16 V8-6.6L Blk-Dual w/o NOX Sensor - 49-44043-B

aFe offers multiple diesel exhaust systems options for the Dodge Cummins, Ford Powerstroke, and GM Duramax. Upgrading your stock exhaust system to our 4" or 5" diameter diesel exhaust system will help lower Exhaust Gas Temperature (EGTs), while increasing horsepower and torque. Some of the available options are Aluminized or Stainless Steel, Black or Polished Tip, and Dual or Single exit style.