These Borla Cat-Back Exhaust Systems feature T304 stainless steel construction with mandrel-bent tubing, stainless band Torca clamps and polished tips. These free-flow systems provide a horsepower and torque gain, improved fuel economy and a deeper tone.

Cat-Back Exhaust - 4.0" Single Tip, Angle Cut, 2.0" Tubing Diameter, 2004-05 4.7L/5.7L Durango ATX.