2004-2005 Duramax 6.6L Advanced Race Tuning Custom EGR Delete Tune - EFIARTLLY (Tune Only)

Choose from one of the following:
Level 1 Stock HP
Level 2 50 HP
Level 3 75 HP

*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.**