Banks Power Monster Exhaust System5 inch 409 stainless steel constant diameter DPF back system. Patented negative backpressure SideKick tip helps lower exhaust exit temps by 15%. Improves flow and cuts backpressure by 89% from the DPF and 9% at the turbine inlet, allowing the engine to produce more horsepower. Includes Huge Polished Chrome Patented or Cerakote Black SideKick tip. Banks Power introduces the new 5 inch Monster Exhaust designed specifically for the 2020 2022 GM 6. 6L