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  1. C

    Mufflex MPG drop

    I put an 18" single in-single out mufflex on my ram about 6 months ago, and have noticed that my MPG has decreased by about 2 on average. I went on a road trip before and got almost 19 mpg and have went on a couple since then and got around 17 each time. Mostly interstate doing 75 on the times...
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    Mufflex vs boeschbuilt

    Mufflex 14" dump I have the single stock exhaust, and want to buy a mufflex 14". I would dump it with a couple turn downs, till I save up for dual exhaust. Has anyone else done this? I'm sure it's loud as hell!!!
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    Mufflex single exhaust

    Anyone out there have the mufflex single exhaust muffler? Curious how it sounds.... I also want to convert to duals out the rear in the future. Can I get the dual exhaust muffler and cap off one side? Don't want to cause problems. Or would that even attach to my current single exhaust. Any...
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    Eco won't kick in onhighway

    Anyone have problems with ECO not kicking in on the highway. I usually set the cruise at 70-75, but it almost never comes on unless I go down a hill. Thoughts?
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    Stock single to stock dual exhaust

    Curious to know if anyone has swapped the stock single exhaust to stock dual exhaust? I have a 2014 1500 with the hemi, and I like the look of the stock duals. I want to buy a stock dual kit but don't know if there will be the hangar brackets, will it line up? ect? Will also have change the rear...

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