2011-2015.5 6.6L Duramax LML 4" DP-Back DPF delete Pipe & EGR/CC Delete Kit

Constructed from heavy-duty T-409 stainless steel to provide exceptional heat resistance, structural durability, and reliable protection against harsh environmental elements.

Features a smooth 4-inch downpipe-back exhaust system engineered with the correct V-band clamp connection (specifically for 2011–2015.5 LML models) to optimize exhaust flow and boost power output.

Significantly lowers operating exhaust gas temperatures (EGTs) and reduces backpressure to promote a healthier, more efficient engine.

Completely removes failure-prone factory EGR components to stop abrasive soot buildup, prevent clogged valves, and eliminate internal coolant leak risks.

Incorporates crankcase emissions components to reduce oil deposits and keep your engine breathing easier under high-load and towing conditions.

Engineered precisely for 2011 through 2015.5 Chevrolet Silverado and GMC Sierra 2500HD/3500HD pickup trucks equipped with the 6.6L LML Duramax diesel engine (Requires V-band clamp; does not fit 2015.5–2016 3-bolt flange or Cab & Chassis models).