[jimgrundy]

I just listed a pair of HyperPac Exhaust Manifolds (P/N 2128899 & 2129900) for sale on EBAY:

http://www.ebay.com/itm/Mopar-HYPERPAC-Exhaust-Manifolds-for-170-225-Slant-Six-/271251455845?pt=Motors_Car_Truck_Parts_Accessories&hash=item3f27d8bf65&vxp=mtr#ht_67wt_1399