One problem related to manifold/header/muffler/tail pipe has been reported for the 2015 Volkswagen Jetta. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2015 Volkswagen Jetta based on all problems reported for the 2015 Jetta.
Driver was being poisoned by carbon monoxide while driving the vehicle due to a exhaust leak. Driver became ill at least 2 weeks ago but possibly has been experiencing milder symptoms for longer. Car is at dealer service and they are replacing the muffler.