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last I checked it was about 10.4mpg. With caps off. right foots a little heavy.
5.7 HEMI
4pc CAI
super 44 w/ cutouts
bullydog power programmer
2wd, factory 20" w/285-50 ZR20 continentals
Averaging about 15.2 ish with my 08 hemi. My first tank after I bought it a few months ago I tried to get as bad as I could...13.2 (I do a lot of freeway, I cant help it). Just took off the muffler (i know, I'll be putting one back on soon) and I drove it like I stole it, and I got 15.0, which means to me that I'm getting better mileage with no muffler. That is strange. But then again, I am factoring in engine break in also.
getting 13 city driving and 15 highway averages. thats with superchips 3815 on 91 performance setting wiht 93 gas. if i kept my foot out of it i could probably get a little better. but i drive it like i stole it.