Description

Unlock the true power of your 2007.5–2010 Chevrolet Silverado & GMC Sierra 2500/3500 HD Duramax LMM 6.6L with this 5-inch Downpipe-Back DPF Delete Exhaust System , built from premium T409 stainless steel for durability and performance. This high-flow race exhaust begins at the downpipe, eliminating the Diesel Particulate Filter (DPF) and Catalytic Converter , allowing for unrestricted exhaust flow. With no bungs for maximum efficiency , this system lowers exhaust gas temperatures (EGTs), improves engine breathing, and delivers noticeable gains in horsepower, torque, and throttle response . Engineered with OE-style hangers and all necessary clamps, hangers, and fasteners, this kit ensures a clean installation. Most installs can be completed in about an hour with basic tools, and it may require slight trimming on shorter wheelbase models. ✅ Key Benefits: Increased horsepower & torque Improved throttle response & engine efficiency Reduced EGTs for better reliability Aggressive race exhaust tone (optional muffler available for quieter setup) Built from T409 stainless for long-lasting strength ✅ Fitment: 2007.5–2010 Chevy Silverado 2500/3500 HD Duramax LMM 6.6L 2007.5–2010 GMC Sierra 2500/3500 HD Duramax LMM 6.6L