Description
2003 Hummer H2 6.0L Direct Fit Catalytic Converter 4451219 Magnaflow downpipes M22 (452 453) transmissions use Year Make Model Submodel masks 6CK19TZZAA CRN M22 (452 453) transmissions use installation kit 3738611 1974 1979 Borg Warner Richmond Super T 10 (454) transmissions use installation kit 3738611 quickest possible shift