JEGS Performance Products 30080 Painted Long Tube Headers Painted Long Tube Headers 1-5/8" Primary 3" Collector Fits:(All w/273-360ci) 66-78 Road Runner/Charger/Super Bee 67-76 GTX/Belvedere/Satellite/RT/Coronet 67-74 Cuda/Challenger 67-76 Duster/Valiant/Dart/Demon 76-79 Volare/Aspen