5-inch 409 stainless steel constant-diameter DPF-back system. 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 Cerakote Black SideKick tip.

Banks Power introduces the new 5-inch Monster Exhaust designed specifically for the 2020-2022 GM 6.6L Duramax L5P 2500/3500 HD pickup trucks. The DPF-back exhaust system features constant-diameter 5-inch mandrel-bent Aluminized Steel tubing and a massive tip which virtually eliminates backpressure after the DPF and prevents trailer meltdown.

Key Features

• 5-inch 409 stainless steel constant-diameter DPF-back exhaust system.
• 15 percent reduction in exhaust temperature 2 feet behind the tip during regen
• Huge 6.5 x 7.5 inch ob-round slash-cut exhaust tip
• Cerakote Black stainless tip will not turn brown with heat
• 89 percent less backpressure than stock
• Ob-Round Exhaust Tip 
• Fits trucks with aftermarket airbags
  see fitment notes section above
• 1-Year Limited Warranty

Fitment Note- Exhaust will not fit late 2023 model year trucks. Beginning in mid-2023, GM updated the ECM which altered several of the emission sensors including in the exhust. You can check for this change by looking for dual sensors on the intake manifold.  Does Not Fit 2024 Model Year Trucks.