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  1. 9

    custom tune today, very interesting !!!

    Yea I think someone told me it would cost me about $500 if i already have a superchip. But i'll try and call them on monday. Everyone say's it will be the best money you'll spend.
  2. 9

    custom tune today, very interesting !!!

    Nice #'s. Im planning on taking my truck to JDM to have my truck tuned. $625 is not bad at all. How many pulls do they allow you to do? Im assuming it would be cheaper if i already have a superchip installed, correct? I would love to see what my truck can put out. I know it feels like there...
  3. 9

    Horrible gas mileage after O/R X pipe

    to reset the computer. Disconnect the negative terminal of the battery, turn on the headlights for 10 minutes to drain any leftover power. Turn off headlights, reconnect battery and start car. Let it idle for abit then go for a drive.
  4. 9

    Horrible gas mileage after O/R X pipe

    i got the same problem on my 4.6 truck. I had dual flowmasters with no crossover and got pretty good mileage about 14.5 city. Then switched to a single magnaflow dual in/out with built in X pipe and now i barely get 12.5mpg city. Needless to say the muffler is coming out my flows are going...
  5. 9

    H or X pipe with flowmasters?

    well now my only other decision is whether to go with regular 40's or super 40's? Would like to know if there is really that big of a difference in the sound?
  6. 9

    H or X pipe with flowmasters?

    is this the one you guys are talkin about? http://www.drgas.com/img/photos/big/TXJ.gif what are the advantages/disadvantages to using either?
  7. 9

    H or X pipe with flowmasters?

    When i had the flowmasters on it,it sounded great. It was exactly what I was looking for. Loud and obnoxious. Loved the crackle it had at high rpm revs. Highway cruising was great. It pulled great for a heavy truck. But i had in the back of my mind that I lost some low end which i felt but...
  8. 9

    H or X pipe with flowmasters?

    Is it good to have a crossover on a 4.6 with flowmasters? I have a f150 with teh 4.6 and wanted to know if i'de benefit from an H pipe or X pipe installed. I had dual 40's with 2.25" pipping all the way with no crossover. I recently put in a magnaflow dual in/out and hate it. Feel as if its...
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