2004.5-2005 GMC Sierra 3500 6.6L Duramax Diesel EGR Block Off Plates & Cooler Delete Kit Color:Black/Silver CNC machined from aircraft-grade T6061

CNC machined from aircraft-grade T6061 aluminum and is designed for durability

Will increase your boost by an additional 10-15 PSI

Designed to increase total lean angle and steering responsiveness by rising the back of your Dyna with 1

Includes a magnetic tip dipstick

high integrity kit cannot be compared to competitors cheap cast links

2004.5-2005 GMC Sierra 3500 6.6L Duramax Diesel EGR Block Off Plates & Cooler Delete Kit Color:Black/Silver CNC machined from aircraft-grade T6061Fitment 2004. 5* 2005 Sierra 3500 6. 6L LLY Duramax *May of 2004. *Off road use only, not for road vehicles. NOT LEGAL for use in pollution controlled vehicles that are operated on public streets, roads or highways. *Requires use of a tuner to compensate for EGR delete. Description Engineered to completely remove the O. E. EGR system and bypasses the cooler. Provides LOWER running temperatures, BETTER throttle response, IMPROVED fuel economy, and