---tab Description--- 5" Downpipe-Back is currently out of stock. This 4"/5" Dp-Back system is a direct replacement for the factory exhaust on 2020‑2024 Ford F‑250, F‑350, and F‑450 trucks equipped with the 6.7L Powerstroke diesel engine. Designed as a downpipe-back exhaust system, replacing the factory exhaust from after the downpipe to the tailpipe to improve exhaust flow, reduce backpressure, and enhance turbo response and sound. Built from durable 409 stainless steel with OE-style hangers for direct bolt-on installation. Intended for off-road and performance applications only. Key Features Complete Downpipe-Back Replacement – Replaces the factory exhaust from after the downpipe all the way to the rear, including the mid-pipe, tail section, OEM-style hangers, and required installation hardware for a direct bolt-on fit. Increased Flow & Performance – Larger diameter piping reduces exhaust backpressure, lowers turbo and engine strain, and supports increased torque and power potential. No Muffler Design – Straight‑through configuration enhances exhaust flow and produces a more direct, robust diesel sound. 409 Stainless Steel Construction – Offers corrosion resistance and withstands high‑temperature fatigue, ideal for harsh environments. Bolt‑On Installation – Uses factory mounting points and bolt‑together connections for straightforward installation. Neutral Packaging – No logos on product or packaging. Specification 4"/5" Downpipe Back Exhaust system. T409 Stainless Steel Single Side Exit Easy Installation - Mounts to OE Hangers Installation Estimated install time: ~1 hour with basic tools; faster on a lift. Kit includes clamps, hangers, and hardware—some OEM pieces may be reused. Tuner Required: DPF, CAT, SCR, and DOC deletions disable emissions sensors. A tuner with Powerstroke DPF delete capability ensures no check-engine lights or fault codes. ---tab Fitment--- 2020 Ford F-250 F-350 F-450 Super Duty 6.7L Powerstroke Diesel 2021 Ford F-250 F-350 F-450 Super Duty 6.7L Powerstroke Diesel 2022 Ford F-250 F-350 F-450 Super Duty 6.7L Powerstroke Diesel 2023 Ford F-250 F-350 F-450 Super Duty 6.7L Powerstroke Diesel 2024 Ford F-250 F-350 F-450 Super Duty 6.7L Powerstroke Diesel Does not fit Cab & Chassis For more years and models,explore our complete collection of 6.7 Powerstroke Downpipe-Back Exhaust kits. ---tab FAQ--- Q1: What’s the difference between a Downpipe-Back and a Turbo-Back exhaust system?A1: A downpipe-back system starts after the downpipe and retains the OEM downpipe, making installation easier. A turbo-back replaces the entire exhaust from the turbo, offering more performance but requiring more modification. Q2: Will this 5” downpipe-back exhaust fit a cab & chassis model?A2: No, this kit is designed for standard pickup configurations only (F-250, F-350, F-450). It is not compatible with cab & chassis models due to differences in frame and exhaust routing. Q3: Will the 5-inch exhaust system cause excessive drone inside the cab?A3:...