5 inch aluminized steel constant-diameter DPF-back system with Patented negative backpressure SideKick tip. Far less backpressure than stock, allowing the engine to produce more horsepower. Improves flow and cuts backpressure. Includes Huge Polished Chrome Tip or Cerakote Black Patented SideKick tip. Banks Power introduces the new 5 inch Monster Exhaust designed specifically for the 2013-2018 Ram 2500/3500 6.7L CCLB (Crew Cab Long Bed) 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. With the stock exhaust nozzle measuring a mere 4 inch compared to the Monster Exhaust’s massive 5 inch outlet, the Banks system offers a 60 percent greater flow area than stock, And, the Monster Exhaust boasts less backpressure than stock, leading to more power and increased fuel economy. Cummins owners can choose from two huge patented 6.5 x 7.5 inch ob-round slash-cut exhaust tips; high-temp matte black with a rolled edge. Key Features Virtually eliminates backpressure after the DPF Constant-diameter 5 inch mandrel-bent aluminized steel tubing Less backpressure than stock Huge patented 6.5 x 7.5 inch ob-round slash-cut exhaust tip High-temp matte black painted stainless steel tip 1-year Limited Warranty Ob-Round Exhaust Tip US Patent #5,581,111 S1