Start that new exhaust with our header collector flange designed to fit Hemi generation 4 motor.  CNC machined out of mild steel right here in the U.S.A.  Machined with a Step for easy fitment of 3" o.d. pipe.  Price is for ONE FLANGE.  We also offer O2 bungs and sensor extensions if needed.  So whether you're making a full exhaust of just throwing some turn downs on to run open header at the strip, These are the perfect part for you.