2017-2019 Duramax L5P Tuning Package What Size Exhaust Would You Like?:4 resulting in bent pushrods and

resulting in bent pushrods and potentially severe engine damage

Manufactured with precision-machined 7/16-inch diameter and a

Use your truck as a daily commuter

Please Include your MPVI Serial Number & Verification ID / Application Key

2017-2019 Duramax L5P Tuning Package What Size Exhaust Would You Like?:4 resulting in bent pushrods andWhats 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