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aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System w/Polished Tips 20 GM Diesel Trucks V8-6.6L

Unlock the full potential of your GM Diesel Truck with the aFe Large Bore-HD 4in 409SS DPF-Back Exhaust System. Constructed from 4" mandrel-bent 409 stainless steel tubing, this system provides maximum strength and durability. The dual 5" diameter polished 304 stainless steel intercooled clamp-on exhaust tips add a touch of style to your ride.

Key Features:

  • 4" mandrel-bent 409 stainless steel tubing for maximum strength and durability
  • Dual 5" diameter polished 304 stainless steel intercooled clamp-on exhaust tips
  • Mitered merge collector for decreased turbulence and increased exhaust velocity
  • 100% MIG-Welded for race-proven strength and durability
  • Direct fitment for hassle-free installation
Make Model Year Type
Chevrolet Silverado 2500 HD 2020 High Country
Chevrolet Silverado 2500 HD 2020 LT
Chevrolet Silverado 2500 HD 2020 LTZ
Chevrolet Silverado 2500 HD 2020 WT
Chevrolet Silverado 2500 HD 2021 Custom
Chevrolet Silverado 2500 HD 2021 High Country
Chevrolet Silverado 2500 HD 2021 LT
Chevrolet Silverado 2500 HD 2021 LTZ
Chevrolet Silverado 2500 HD 2021 WT
Chevrolet Silverado 2500 HD 2022 Custom
Chevrolet Silverado 2500 HD 2022 High Country
Chevrolet Silverado 2500 HD 2022 LT
Chevrolet Silverado 2500 HD 2022 LTZ
Chevrolet Silverado 2500 HD 2022 WT
Chevrolet Silverado 2500 HD 2023 Custom
Chevrolet Silverado 2500 HD 2023 High Country
Chevrolet Silverado 2500 HD 2023 LT
Chevrolet Silverado 2500 HD 2023 LTZ
Chevrolet Silverado 2500 HD 2023 WT
Chevrolet Silverado 2500 HD 2024 Custom
Chevrolet Silverado 2500 HD 2024 High Country
Chevrolet Silverado 2500 HD 2024 LT
Chevrolet Silverado 2500 HD 2024 LTZ
Chevrolet Silverado 2500 HD 2024 WT
Chevrolet Silverado 2500 HD 2024 ZR2
Chevrolet Silverado 3500 HD 2020 High Country
Chevrolet Silverado 3500 HD 2020 LT
Chevrolet Silverado 3500 HD 2020 LTZ
Chevrolet Silverado 3500 HD 2020 WT
Chevrolet Silverado 3500 HD 2021 High Country
Chevrolet Silverado 3500 HD 2021 LT
Chevrolet Silverado 3500 HD 2021 LTZ
Chevrolet Silverado 3500 HD 2021 WT
Chevrolet Silverado 3500 HD 2022 High Country
Chevrolet Silverado 3500 HD 2022 LT
Chevrolet Silverado 3500 HD 2022 LTZ
Chevrolet Silverado 3500 HD 2022 WT
Chevrolet Silverado 3500 HD 2023 High Country
Chevrolet Silverado 3500 HD 2023 LT
Chevrolet Silverado 3500 HD 2023 LTZ
Chevrolet Silverado 3500 HD 2023 WT
Chevrolet Silverado 3500 HD 2024 High Country
Chevrolet Silverado 3500 HD 2024 LT
Chevrolet Silverado 3500 HD 2024 LTZ
Chevrolet Silverado 3500 HD 2024 WT
GMC Sierra 2500 HD 2020 AT4
GMC Sierra 2500 HD 2020 Base
GMC Sierra 2500 HD 2020 Denali
GMC Sierra 2500 HD 2020 SLE
GMC Sierra 2500 HD 2020 SLT
GMC Sierra 2500 HD 2021 AT4
GMC Sierra 2500 HD 2021 Base
GMC Sierra 2500 HD 2021 Denali
GMC Sierra 2500 HD 2021 SLE
GMC Sierra 2500 HD 2021 SLT
GMC Sierra 2500 HD 2022 AT4
GMC Sierra 2500 HD 2022 Denali
GMC Sierra 2500 HD 2022 Pro
GMC Sierra 2500 HD 2022 SLE
GMC Sierra 2500 HD 2022 SLT
GMC Sierra 2500 HD 2023 AT4
GMC Sierra 2500 HD 2023 Denali
GMC Sierra 2500 HD 2023 Pro
GMC Sierra 2500 HD 2023 SLE
GMC Sierra 2500 HD 2023 SLT
GMC Sierra 2500 HD 2024 AT4
GMC Sierra 2500 HD 2024 AT4X
GMC Sierra 2500 HD 2024 Denali
GMC Sierra 2500 HD 2024 Denali Ultimate
GMC Sierra 2500 HD 2024 Pro
GMC Sierra 2500 HD 2024 SLE
GMC Sierra 2500 HD 2024 SLT
GMC Sierra 3500 HD 2020 AT4
GMC Sierra 3500 HD 2020 Base
GMC Sierra 3500 HD 2020 Denali
GMC Sierra 3500 HD 2020 SLE
GMC Sierra 3500 HD 2020 SLT
GMC Sierra 3500 HD 2021 AT4
GMC Sierra 3500 HD 2021 Base
GMC Sierra 3500 HD 2021 Denali
GMC Sierra 3500 HD 2021 SLE
GMC Sierra 3500 HD 2021 SLT
GMC Sierra 3500 HD 2022 AT4
GMC Sierra 3500 HD 2022 Denali
GMC Sierra 3500 HD 2022 Pro
GMC Sierra 3500 HD 2022 SLE
GMC Sierra 3500 HD 2022 SLT
GMC Sierra 3500 HD 2023 AT4
GMC Sierra 3500 HD 2023 Denali
GMC Sierra 3500 HD 2023 Pro
GMC Sierra 3500 HD 2023 SLE
GMC Sierra 3500 HD 2023 SLT
GMC Sierra 3500 HD 2024 AT4
GMC Sierra 3500 HD 2024 Denali
GMC Sierra 3500 HD 2024 Denali Ultimate
GMC Sierra 3500 HD 2024 Pro
GMC Sierra 3500 HD 2024 SLE
GMC Sierra 3500 HD 2024 SLT
Advanced FLOW engineering (aFe) is a manufacturer of automotive cold air intake systems, performance air filters, fluid filters, intake manifolds turbochargers, programmers, throttle body spacers and exhaust systems. aFe was founded in 1999 and is headquartered in Corona, California, USA, in two facilities including their headquarters and manufacturing facilities. A warehouse and R&D facility was added in 2012.
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