GM/Chevy Duramax 6.6L LLY Full Delete Bundle | 2004-2005 Muffler Option:Add Muffler all trims and box lengths

all trims and box lengths

which delivers exhaust pressure more efficiently to the turbo

Customers report great fitment

7L Cummins removes the Diesel Particulate Filter (DPF) and Catalytic Converter (CAT) from your 2500 or 3500 — ending regen cycles

7L Cummins engines

GM/Chevy Duramax 6.6L LLY Full Delete Bundle | 2004-2005 Muffler Option:Add Muffler all trims and box lengthsThe 6. 6L LLY Duramax Full Delete Bundle for the 20042005 GM Chevy Sierra and Silverado 2500 3500 permanently upgrades your truck to run without the factory emissions system. Once the delete tune is in, the emissions codes stop "See Dealer" codes, check engine lights, "Exhaust system service required" alerts, and limp mode. The bundle lets you remove all the emissions parts and sensors for good the DPF (Diesel Particulate Filter), DEF tank (Diesel