Source:
https://prosourcediesel.com/product-category/chevy-gmc-duramax/2007-5-2010-6-6l-lmm-duramax/
Category:
Business
Where Cummins and Powerstroke came out with completely new engines, Duramax chose to modify the 6.6L DURAMAX LBZ with a complex exhaust after-treatment system in order to meet the new emissions standards.



