2004-2005 Duramax 6.6L LLY “Advanced Race Tuning” Single Tune Tuner – ARTGCALLLY


Product Highlights:


2004-2005 Duramax 6.6L “Advanced Race Tuning” Single efi live tune with Autocal V3 tuner


Your choice of

Level 1 Stock HP

Level 2 50 HP

EGR can be deleted with these tunes

“Off road use only”


*Race Only*
**This product is not legal for sale in the province of Ontario for road/highway use. Please check with local and provincial legislation/regulations for legality of such product/s.  We assume no liability for misuse of this product/s.**