HELLO GUYS GALS I HAVE A 14 MONTH OLD THAT LOVES TO RIDE IN THE MAX I HAVE A WINDSHIELD IT SEEMS THAT I GET EXAUST SMELL IN THERE IS THIS COMMON ON THESE I LOOKED INSIDE TUB NO LEAKS OR BLACK STUFF WHERE YOU WHOULD SEE LEAK I THOUGHT ABOUT A PEICE OF FLEX PIPE WHOULD HELP IF I RAN IT AROUND BACK JUST DONT WANT TO KILL MY KID OFF SMALL LUNGS