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Ships within 48 hours · Estimated delivery Sep 14 - Sep 19
New tapered OBDII connector ensures a stronger
and in rebuildable condition
When it comes to building a reliable
Please Include your MPVI Serial Number & Verification ID / Application Key
NOTE: This is a send in service
2017-2019 Duramax L5P Tuning Package What Size Exhaust Would You Like?:4 New tapered OBDII connector ensuresWhats Included Tuning Configuration OptionsChoose between a single performance tune or Shift On The Fly (SOTF) tuning. MPVI4 Tuning InterfaceIndustry leading hardware for advanced Duramax ECM tuning and diagnostics. Four (4) Universal CreditsRequired for ECM unlocking and flashing. Coolant Upgrade Kit (MADE IN THE USA) Downpipe (MADE IN THE USA) Diagnostic Plug Kit (MADE IN THE USA) Exhaust Choice IMPORTANT For ALL 2017 and Some 2018 trucks, the GM