2017-2020 Duramax L5P 6.6L - EGR Delete Kit. For details visit: https://www.egrdeletehome.com/products/2017-2020-duramax-l5p-66l-egr-delete-kit?st=
2017-2020 Duramax L5P 6.6L - EGR Delete Kit. For details visit: https://www.egrdeletehome.com/products/2017-2020-duramax-l5p-66l-egr-delete-kit?st=