GM Duramax 6.6L - Shibby Engineering Tuner Harness Plug Kit (2011-2023) RC6719 E46 ECM tuning for Duramax

E46 ECM tuning for Duramax LM2 trucks offers a convenient service to unlock and upgrade your ECM

Example: 4"–>5" Polished (4"-5"-12") means the tip has a 4" inner diameter

and longer engine life

and 3" stainless steel v-band flanges

Achieves significant power boosts—up to 250HP

GM Duramax 6.6L - Shibby Engineering Tuner Harness Plug Kit (2011-2023) RC6719 E46 ECM tuning for DuramaxProduct Fitment The Duramax DPF Delete Plug kit is designed for 2011 2023 GM Chevy 6. 6L LML LGH & L5P L5D Duramax trucks. This kit offers a durable and weatherproof solution, especially for protecting unused exhaust and EGR harness connectors. Therefore, trucks with emissions modifications benefit greatly, as this kit keeps the wiring secure and safe from moisture or dirt. Key Features Weatherproof Protection: The kit includes factory style caps that