5.9L Cummins '04.5-'07

Dodge Exhaust Systems Turbo Back in Aluminized or Stainless Steel for 2004.5-2007 Dodge/Ram Chrysler diesel pickup trucks.

BENEFIT of 4" exhaust - typically a 200 degree decrease in exhaust gas temperatures (EGT's) and 20 hp increase in the power band. 

MBRP, Powerflow and AFE Atlas are High Quality Performance Exhaust Systems with smooth mandrel-bent 4 inch exhaust tubing. 4" exhaust size is optimal for most diesel pickup truck applications.