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  1. C

    Best headers for 5.7?

    I have a 2500 and im about to get the exhaust remade when I notice the manifolds had a leak so since im already dropping it off at the muffler shop I was thing about getting header and just replacing the manifold. Have any of you done this and if so what brand and length and was it worth it...
  2. C

    Method to removing 4x4 cover?

    I have a manual 4x4 shifter in my truck and I wanted to remove the leather cover to clean it, is there any way to remove with minual disassembly? Sent from my SM-G960U using Tapatalk
  3. C

    Fix for trucks dump in fuel economy?

    No Its been about 2 months since I got the lift done and the economy drop happened over this week and it still runs pretty strong. I've also put a additive in the fuel to see if that helps Sent from my SM-G960U using Tapatalk
  4. C

    Fix for trucks dump in fuel economy?

    Yes I went in know that the economy would suffer I just find off that it lost 4 miles Sent from my SM-G960U using Tapatalk
  5. C

    Fix for trucks dump in fuel economy?

    Highway and on my other reply I mentioned about calculated the mpg Sent from my SM-G960U using Tapatalk
  6. C

    Fix for trucks dump in fuel economy?

    Aculally My truck said I had 10 which threw me off so I did the math and found I'm only getting around 8 Sent from my SM-G960U using Tapatalk
  7. C

    Fix for trucks dump in fuel economy?

    I got it with around 35,000 miles and it got 43,000 now, no codes have been thrown since I've had it, no the tire are stock size, it's also felt very sudden. I'll try the fuel adivited. Note: I have a friend with a 18 2500 with a 6.4 who got the exact same parts as me and only lost a mile. Sent...
  8. C

    Fix for trucks dump in fuel economy?

    So I have 12 2500 with 5.7 and when I first got it back in November it had 12mpg and recently it dropped to around 8 all I've done with it is get both bumpers replaced and got it leveled. Is there anyway to improve its mpg? (I've also got a cai but I've haven't had the time to install it) Sent...

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