Ford

Turbo-Back Exhaust Systems in Aluminized or Stainless Steel for Ford Powerstroke 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.