Dodge Cummins 1989-1993 5.9L Diesel Truck Exhaust Systems
Turbo-Back Exhaust Systems in Aluminized or Stainless Steel for Dodge/Ram Chrysler diesel pickup trucks.
MBRP Exhausts 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.
BENEFIT of 4" exhaust - typically a 200 degree decrease in exhaust gas temperatures (EGT's) and 20 hp increase in the power band.