Fits 07.5-23 Dodge Cummins 6.7L. Fully machined with 1/2'' billet aluminum in house, and anodized. Machined on back side to imporve air flow through the intake. Significant gain in throttle response and Faster turbo spool. 50-100 degree Fahrenheit drop in EGTs 0.3-0.5 MPG increase compatible with stock gasket and bolts.