Banks Power 48998-B Exhaust for 11-15 Chevy/GMC 2500/3500 and (2016 2500 Only) 6.6L Duramax, LML

5-inch aluminized steel constant-diameter DPF-back system. Patented negative backpressure SideKick tip helps lower exhaust exit temps by 15 percent. Improves flow and cuts backpressure by 89 percent from the DPF and 9 percent at the turbine inlet, allowing the engine to produce more horsepower. Includes Huge Polished-Chrome or Cerakote Black Patented SideKick tip. The 5-inch Monster Exhaust designed specifically for the 2011-2016 GM 6.6L Duramax LML 2500/3500 HD pickup trucks. The DPF-back exhaust system features constant-diameter 5-inch mandrel-bent Aluminized Steel tubing and a massive patented tip which virtually eliminates backpressure after the DPF and prevents trailer meltdown.