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  1. J

    Poor fuel mileage after new tires, a flowmaster 40 series exhaust, and a k&n air fliter?

    With everybody talking about being heavier footed to hear the exhaust I'm gonna be clear. Yes people suck at driving and there are times I have to get up and go around them or leave a lane and be at speed for traffic flow. But even when I am driving a long distance (200miles or more) and I have...
  2. J

    Poor fuel mileage after new tires, a flowmaster 40 series exhaust, and a k&n air fliter?

    Tires are at 40 cold psi usually runs about 45 all around. I don't do anything crazy. Don't tow much at all. It's just my daily driver.
  3. J

    Poor fuel mileage after new tires, a flowmaster 40 series exhaust, and a k&n air fliter?

    I don't drive any differently but I have noticed that my RPM's stay higher before it shifts to the next gear. But have no slipping or any noticeable issues driving. I didn't think I would loose 7 mpg cause the change. But no the speedo was not recalibrate to my knowledge.
  4. J

    Charging issues

    My wiring isn't faulty. Everything is installed correctly and proper. Ground has been tested before using as my ground point. And no being a telematics professional installer does not mean I should understand fully how the charging system works from a completely different source. If it was an...
  5. J

    Poor fuel mileage after new tires, a flowmaster 40 series exhaust, and a k&n air fliter?

    I have a 2021 ram 1500 with the 3.6 pentastar V6 E-Torque. I put new tires on which originals were 275-65-R18 I put on 285-65-R18, a new flowmaster 40 series, and a k&n air filter( not cold air intake and cone) and my mileage is like 17.6 now from around 25. Can anyone give me some pointers on...
  6. J

    Charging issues

    I have a 2021 1500 with the pentastar 3.6 v6 and I have 73k on my truck. I do drive alot for work.i have already had to replace my battery and alternator/generator which has me concerned. The new alternator is doing the exact same thing and when driving at interstate speeds I'm only at 13.1 to...
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