I have three Ultimate prepped convertors, two 8 inch 904 T/A convertors redone by Lenny and he redid the stock lockup convertor for the 518 in my D150 and I lowered my 60ft by a tenth
68 Dart 410 / 904 92 D150 original owner 21 Ram 1500 Quad Cab, Big Horn , Hemi ,4x4 23 Audi Q5 16 Honda HRV