9PHX 2020-2022 LM2 Duramax 3.0L Turbo Back DPF Delete Pipe 3" for 1500 GM Chevy. Feature:. ● The improved flange ensures a leak free connection.. ● Made of heavy-duty T409 stainless steel with maximum durability.. ● Including high-quality fixtures, it can achieve safe and leak free connections.. ● The direct fit design makes installation easy, saving you time and effort.. ● Keep your original muffler for a familiar appearance and potentially quieter operation.. ● Intended to improve airflow and reduce back pressure, thereby significantly increasing power.. Fitment:. 2020 GMC/Chevy Duramax 3.0L LM2 1500. 2021 GMC/Chevy Duramax 3.0L LM2 1500. 2022 GMC/Chevy Duramax 3.0L LM2 1500. Package Included:. 2 x Pipes. 3 x Clamps. 1 x Insulation cloth