Hyundai Palisade Forum banner

#carbon black on tailpipe

  1. Hyundai Palisade General Discussion Forum
    Hi. all I drove my car about 7500 miles and 4 months now. I just noticed that there is relatively noticeable carbon black build up on exhaust tailpipe. Is it normal to have carbon black build up on tailpipe on 4 months old car? Also it make subtle muffler sound coming out of muffler. do...