05-08 Hemi headers with high flow converters and lead pipes. 1 3/4" primary tubes with 2 1/2" od collectors, 2 1/2" lead pipes, and 2 1/2" metal matrix high flow converters. Long tube design makes great power and mid range torque. 3/8" s/s CNC laser cut flanges are port matched to the cylinder head for optimal flow and maximum performance. Easy bolt on that makes great power! Will require programming to remove rear O2 sensors. Fits factory connection point. Disclaimer: For off road or racing use only