Fitment 2007-2024 Dodge Ram 2500/3500 6.7L Diesel, doesn't fit cab and chassis. Key Features Integrated High-Efficiency Heating Element Provides reliable, fast startups in cold climates, reducing engine wear and eliminating the excessive white smoke associated with cold diesel engines. Say goodbye to the performance compromise of a grid heater delete. Massive 3.5" High-Flow Design Mandrel-bent T-304 stainless steel construction dramatically increases airflow compared to the restrictive stock manifold. This results in quicker turbo spool, lower EGTs (Exhaust Gas Temperatures), and significant gains in horsepower and torque.