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Punisher Performance DSP5 2001-2007 GM Duramax 6.6L LB7/LLY/LBZ Reaper Autocal

Our Price: Starting at: $849.00

849 reward points

Shipping Weight: 2lbs
Manufactured by: Punisher Performance

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Application: 2001-2007 GM Duramax 6.6L LB&/LLY/LBZ


This high performance product is intended SOLELY for closed-course racing use and is not street legal in ANY state. This product cannot be used on any vehicles registered or certified for highway use. Please check your local, state, and federal laws before purchasing!


This product MUST be run with race exhaust! Do not leave the DPF on the vehicle if running this product!

Please note that the following descriptions are generic. Some options may or may not be available based on your vehicle's Make & Model.

This Reaper programmer from Punisher Performance utilizes the EFILive Autocal platform. Includes Punisher DSP5 tuning for any engine and transmission combo, and 1 DSP5 switch. Most otherwise stock trucks see 4-430rwhp with basic supporting mods, more depending on the build beyond that.

The great thing about these Autocals is that you can do so much more than just program! You can purchase additional tunes and load them on the device, you can log data, and you can clear DTC's.

For customers who frequently upgrade their truck, tunes and data logs can be exchanged with Punisher Performance via email!

Full flashing support for the DSP5 system is currently available only for LB7 LLY, LBZ, and LMM Duramax trucks.

Comes Pre Loaded with 5 Tunes:

  • Stock
  • Econo 50HP
  • Tow 70HP
  • Mild Street 100HP
  • Hot Tune for Stock Transmission 125-150HP

    The CSP5 Switch that is Included allows you to plug in and switch between power levels on the fly.

    The DSP5 can be used with the Edge Insight CTS to give you an all-in-one digital monitor that will provide you with the info you need to know to monitor your engine vitals. For Information on the Insight CTS CLICK HERE

    The Edge 98601 EGT Accessory Sensor can also be added to monitor exhaust gas temperatures with the Edge CTS.

    FREE GROUND SHIPPING in the Lower 48 States Only

    Liability Waiver form must be signed and received before this product can be shipped! See below to download the form, which may be faxed to 512-650-3663 or emailed to


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