This LMM (2007.5-2010) Duramax EGR Block Off will allow you to block exhaust gases from entering your EGR cooler. This is a genuine Flo Pro product.
Benefits of removing the EGR include:
- Lowered Engine Temps
- Improved Throttle Response
- Improved Economy
- Reduces Oil Contamination
- Reduces Carbon Deposits in the engine
A tune is required before installation.