5" 409 stainless steel constant-diameter DPF-back system. Far less backpressure than stock. Improves flow and cuts backpressure, allowing the engine to produce more horsepower. Includes Huge Polished Chrome or Cerakote Black SideKick tip. Banks Power introduces the new 5" Monster Exhaust designed specifically for the 2010-2012 Ram 2500/3500 6.7L pickup trucks. The DPF-back exhaust system features constant-diameter 5" mandrel-bent 409 stainless steel tubing and a massive tip which virtually eliminates backpressure after the DPF.With the stock exhaust measuring a mere 4" compared to the Monster Exhaust's massive 5" outlet, the Banks system offers a 60% 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 6.5" x 7.5" ob-round slash-cut exhaust tips; chrome-plated polished stainless steel or high-temp matte black with a rolled edge. And, unlike other brands, Banks' chrome-plated stainless tip will not turn brown with heat. Key Features: Virtually eliminates backpressure after the DPF. Constant-diameter 5" mandrel-bent 409 stainless steel tubingLess backpressure than stock. Huge 6.5" x 7.5" ob-round slash-cut exhaust tip. Chrome-plated stainless tip will not turn brown with heat. High-temp Cerakote matte black painted stainless steel tip. 1-year Limited Warranty. Ob-Round Exhaust Tip