2020-2021 LM2 3.0 Duramax Custom Delete Tunes with HPtuners via Email
Now offering Emissions Delete tuning for your 2020-2021 GMC and Chevy 3.0 Duramax trucks. NO SUVs yet!!
EGR KITS COMMING SOON!!
A HP Tuners modified ECM is required and a MPVI2 or newer, plus 6 universal credits.
Your truck can be driven with 'untuned' modified ECM.
For now stock HP level only, free HP upgrade available to existing customers as more testing is done!
When ordering we need a stock read from your ECM, MPVI2 or newer Serial Number and truck VIN.
Please allow upto one business day for processing.
Stock read can be emailed here