4"& 5" Downpipe Back Single | PICK UP-2017-2023 GM 2500/3500 6.6L DURAMAX L5P w/ or w/o Muffler backhoe loader 2*Exhaust block deviation plate

2*Exhaust block deviation plate

Inlet Diameter: 4

SINGLE TUNE

be aware that a magnet will still stick to it

it completely replaces your EGR system without requiring turbo

4"& 5" Downpipe Back Single | PICK UP-2017-2023 GM 2500/3500 6.6L DURAMAX L5P w/ or w/o Muffler backhoe loader 2*Exhaust block deviation plateDetails and Specifications: Thickness: 1. 5mm Inlet Diameter: 4. 0" & 5. 0" Material: 409 Stainless Steel Type: Downpipe Back Exhaust System for Chevrolet GMC 2017 2018 2019 2020 2021 2022 L5P 6. 6L Duramax Diesel Sierra Silverado 2500 3500 HD Fitment: 2017 2022 L5P 6. 6L Duramax Diesel GMC Sierra 2500 3500 HD 2017 2022 L5P 6. 6L Duramax Diesel Chevrolet Silverado 2500 3500 HD Crew cab short bed & crew cab long bed. This will not fit the 3500 4500