Banks Monster® 5" DPF-Back Exhaust System - GM Duramax 6.6L L5P (2020-2023) - Single Rear Wheel
Banks Monster® 5" DPF-Back Exhaust System - GM Duramax 6.6L L5P (2020-2023) - Single Rear Wheel
SKU: SKU:48997
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A 5-inch, 409 stainless steel, constant-diameter DPF-back exhaust system for the 2020-2023 GM Duramax 6.6L L5P (single rear wheel). The negative-backpressure SideKick tip lowers exhaust exit temperature by 15% measured two feet behind the tip during regen. The system cuts backpressure by 89% at the DPF and 9% at the turbine inlet, freeing flow so the engine can produce more horsepower.
Key features
- 5" 409 stainless steel constant-diameter DPF-back system
- 89% less backpressure at the DPF than stock
- 9% less backpressure at the exhaust turbine
- 15% lower exhaust temperature two feet behind the tip during regen
- Huge 6.5" x 7.5" ob-round slash-cut tip
- Chrome-plated stainless or Cerakote Black tip will not turn brown with heat
- Fits trucks with aftermarket airbags
- 1-year limited warranty
Fitment
Fits Chevrolet Silverado 2500/3500 and GMC Sierra 2500/3500 HD with the 6.6L Duramax L5P diesel, 2020-2023, single rear wheel. CARB E.O. not required.
Installation
Installation manual and video from Banks
Banks part 48997 (Chrome) / 48997-B (Cerakote Black).

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