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  1. Powertrain & Driveline
    Gotta get back to this but in previous posts by me but a couple months back I went from 15mpg consistent to a 9 in city and 11 highway at best. I put in new long tube headers a couple weeks ago hoping to elimate some bad cats but even with long tubes it's about the same not much change. I did...
  2. Powertrain & Driveline
    I have a 2007 nissan xterra 237k miles I have front and rear bumpers, sliders ,RTT, long tube headers and z1 cat back exhaust and pretty consistently hit 235 to a tank if not a little more. Usually at 125 by half tank. Now the last two tanks I'm hitting 89 miles total by half tank and...
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