Vance and Hines 2008-2009 Touring Model 61009 Fuel Pak, I own a 2008 Street Glide and recently just installed the 61009 fuel pak after driving my bike between 80 and 130 KMH or between 50 and 80 miles per hour if your in the USA I am still getting the same mileage with this configuration setup on my 2008 FLHX Streetglide I have Rinehart Slip Ons model R5-1027BB with a K&N HD-1508 high flow Air filter. I used the FP-1747 FuelPak Map for my configuration and my bike runs great.