Post your MPG's

got 5.13s installed and now im pulling around 12-13 with 37s and 22s with a 2500hd 6.0 and pretty much straight lt headers
 
04 GMC 1500
4.8 2WD 5speed (NV3500)
3.42s, Air Raid MIT, K&N drop in
Magnaflow 18"
93 oct tune
275/45-20 General Grabber UHPs
usually very hard on it & getting a combined 16-17 mpg
Same as a year ago. Noticing a bit of a drop as stations switch over to the winter blend of fuel, but sticking around 16mpg for now.