BORLA 140449 Cat Back Exhaust System DURANGO 11- 12 5.7L ymm_3 Knowledge from competition experience has

Knowledge from competition experience has led the manufacturer to use a dissimilar material for the nut from that for the wheel stud

Easy to clean

890" OD black oxide washers

The ATAK (Acoustically-Tuned Applied Kinetics) technology produces the highest available decibel levels in the street-legal lineup and is designed for high-performance purists who prefer exhaust notes over their stereos

thermistor

BORLA 140449 Cat Back Exhaust System DURANGO 11- 12 5.7L ymm_3 Knowledge from competition experience hasDescription BORLA 140449 Cat Back Exhaust System DURANGO 11 12 5. 7L This 2. 5" diameter True Dual Cat Back system includes a Merge X Pipe for increased performance and improved sound. It delivers the classic S type sound with no drone inside the vehicle. The system features single 4. 5" round polished T 304 stainless steel tips on each muffler assembly. Borla Cat Back and Axle Back exhaust systems utilize patented straight through and multi core