One problem related to manifold/header/muffler/tail pipe has been reported for the 1999 Plymouth Grand Voyager. The most recently reported issues are listed below.
Ignition lock cylinder defect. Third defect/replacementon this vehicle. Stranded do to defective material/workmanship. Additional defects include temperature switch,radiator cooling fans, premature brake wear(brakes replaced twice already). Manufacturer thinks this is normal.