2007.5-2010 GM 6.6L DURAMAX LMM MBRP 4" BLACK SERIES FILTER-BACK EXHAUST SYSTEM S6026BLK 2007.5-2010 GM 6.6L DURAMAX LMM (ALL CABS & BEDS) The Best Systems Start with the Best MaterialsBuilt from heavy duty aluminized steel our Black Series performance exhaust systems offer a true "murdered out" style without compromising on... MSRP: Was: Now: $514.99 Add to Cart The item has been added