5.9L Cummins '89-'93

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.