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LLY Duramax Premium Tune with Autocal

Regular price $649.00

Shipping calculated at checkout.













No- I already have a switch
No- I am using a CTS to switch tunes
Yes- I will add one to cart separately




Stock
Built

















Rumble
Hiss







PURCHASE INCLUDES
*Autocal device with OBD II cable and USB cable
*ONE VIN license (allows you to flash ONE ECM & ONE TCM or BCM module)
*5 custom tunes of your choice.
*100% Factory Stock File Included.
*WARNING*
We strongly recommend that your tune selections for a STOCK Allison transmission does not exceed 100HP.