Mpg
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From: fresno california
Mpg so me an the wife took the 06 impala ss to sanfrancisco today, said i was gettin about 26 on average and 30 on instant, pretty damn good if you ask me, however.. is there anyway way to improve some? i was gonna cut the stock mufflers out an put some flowmasters or magnas in.. and maybe a drop in k&n for now.. would that help me?
None of that is going to noticeably help your mileage. The cat. converter and mufflers are very free-flowing already. The stock airbox/air filter isn't too restrictive, either.
I'd think that maintaining 26mpg on the highway at a relatively steady pace is pretty damn good, considering they dropped the EPA mileage estimates for our cars when the new, real-life testing came in to effect.
I'd think that maintaining 26mpg on the highway at a relatively steady pace is pretty damn good, considering they dropped the EPA mileage estimates for our cars when the new, real-life testing came in to effect.
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From: fresno california
damn thats pretty good!, yea i was very suprised what i was getting, it was a relativly short trip, only bout 160 miles. on 89 octane, iv been running 91 but damn its getting pricey again.
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I wish I could pull off 18 MPG in the city. I see 15.8 usually. I'm going to try a few things though to see if I can get it better. When I get my oil changed I'll start running synthetic.
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Launching!
Joined: Apr 2009
Posts: 234
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From: FONTANA CA, 909 "IE"
i average about 13 to 15 city and highway 22 to 26 hwy if im not driving it like i stole it,lol...
i really only drive her city about 2.5 miles everyday 5 days a week,hwy id rather take the wifes g6 better gas milage on hwy...
i really only drive her city about 2.5 miles everyday 5 days a week,hwy id rather take the wifes g6 better gas milage on hwy...
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Joined: Jul 2007
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From: Reading, Pennsylvania
haha I get 12-15 city tops. and in the winter rarely over 12 and as low as 9.8 lol. buff feels my pain i know that. highway all depends on how i drive anywhere from 25-29. didn't see any difference myself when i switched to Mobil1 early on and didn't see a difference between 89 and 92/93 either.
(enter sick joke below) 
