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Ships within 48 hours · Estimated delivery Jul 31 - Aug 5
Manufactured with precision-machined 7/16-inch diameter and a
When it comes to building a reliable
Use your truck as a daily commuter
and in rebuildable condition
New tapered OBDII connector ensures a stronger
2017-2019 Duramax L5P Tuning Package What Size Exhaust Would You Like?:4 Manufactured with precision-machined 7/16-inch diameterWhats 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