Join Date: Mar 2009
Location: Edson, Alberta, Canada
If it was fairly warm outside then your fuel tank could be venting. Once that big chunk of aluminum under the fuel tank gets warm, the fuel heats up and the cap can let out a whiny whistle.... At least my 04 does that on the rare occasion it gets hot here lol....
BAK, Mustang Seats, Scootworks Tour Trunk
HD Softail lowers, Memphis shield
Darkside Falken Zeix 205/65/16 rear, Bridgestone Excedra Max front
2008 900C as barhopper