2001-2004 Duramax 6.6L LB7 “Advanced Race Tuning” Tuner ARTGCALLB7


Product Highlights:


2001-2004 Duramax 6.6L “Advanced Race Tuning”

Choose one of the following power levels:

Level 1 Stock HP

 Level 2 50 HP

“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.**