DIESELR Downpipe Back Exhaust - Single (2017-2019 GM 2500/3500 6.6L Duramax L5P)
Downpipe back exhaust for L5P Duramax 6.6L (2017–2019) with OEM 4-bolt flange. T409 stainless steel. Off-road only. No bungs. Built for airflow and performance.
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Downpipe back exhaust for L5P Duramax 6.6L (2017–2019) with OEM 4-bolt flange. T409 stainless steel. Off-road only. No bungs. Built for airflow and performance.
get your 2020-2026 Duramax 6.6L with DIESELR Downpipe Back Exhaust. Lower EGTs, improve airflow, and get a deeper sound. Off-road use only.
Turbo back exhaust for 2.8L Duramax diesel trucks (2016–2021). T409 stainless steel, no bungs, OEM flange. Off-road only. Built for airflow and performance.