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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
6L Duramax
NOTE: 2003-2004 Trucks Require a Single Cut Made at The Bottom of The Factory Downpipe
7L Cummins Equipped with 68RFE Transmission
Please Reach Out to Confirm Fitment if Running an Aftermarket Intercooler
2011-2015 Chevy/GM 6
ECM Unlock Service 2024-2026 Duramax L5P vin-required 6L DuramaxECM UNLOCK SERVICE REQUIRES YOU TO SHIP YOUR ORIGINAL ECM IN TO HP TUNERS FOR A ONE TIME UNLOCK SHIP YOUR ECM TO: HP Tuners, LLC ATTN: GM E42 ECM Service (L5P, Global B) 700 Eastwood Lane Buffalo Grove, IL 60089 YOU WILL NEED TO ADD YOUR HP TUNERS ORDER NUMBER INSIDE THE SHIPPING BOX, WE WILL PROVIDE YOU WITH THIS AS SOON AS YOUR ORDER IS PROCESSED CUSTOMER IS RESPONSIBLE FOR SHIPPING COSTS TO AND FROM HP TUNERS FOR THIS SERVICE PLEASE INLCUDE YOUR
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