Ram 1500 Hemi Fuel Mileage and MDS

Desert Vet · 07-21-2009, 04:30 PM

I was curious what others are getting for fuel mileage on their trucks and if they can tell when the MDS is working? I have a 2006 Dodge Quad cab 4 x 4 with the Hemi with the MDS. I have installed dual exhaust, fresh air intake and a taneau cover. I can not get above 16 even cruising modestly on the freeway. I am told you can hear the MDS when it activates and I cannot. Any suggestions would be great. I also only get 6 mpg when I tow my travel trailer. Thanks for helping.

Bsprouse45 · 08-06-2009, 03:56 PM

I have 2004 4x4 and it onlygets about 13.5on the highway. depending on your exhaust you more than likley will not here it kick on.

gmctrucks · 08-06-2009, 04:39 PM

I have all MSD on my truck and you can't hear it there kidding. I say install a K&N air filter and get a high flow Cat. It will help on your gas mileage.
Good luck! GMC

Magnaflow high flow, Parts Accessories, Car Truck Parts - buy and sell on eBay Motors When I changed out my stock Cat to one of these my truck got much louder so it does help the flow in fact at that time I had a cherry bomb muffler one in two out I had to take it off because it was too loud for me so I replaced it with a Magnaflow muffler now it's mellow jello.

Sorry I want to welcome you here and howdy from TEXAS.

07-21-2009, 04:30 PM	#1
Desert Vet Junior Member Join Date: Jul 2009 Posts: 1	Ram 1500 Hemi Fuel Mileage and MDS I was curious what others are getting for fuel mileage on their trucks and if they can tell when the MDS is working? I have a 2006 Dodge Quad cab 4 x 4 with the Hemi with the MDS. I have installed dual exhaust, fresh air intake and a taneau cover. I can not get above 16 even cruising modestly on the freeway. I am told you can hear the MDS when it activates and I cannot. Any suggestions would be great. I also only get 6 mpg when I tow my travel trailer. Thanks for helping. Last edited by Desert Vet; 07-21-2009 at 04:34 PM. Reason: Spelling errors

08-06-2009, 04:39 PM	#3
gmctrucks Senior Member Join Date: Nov 2006 Location: Houston,Texas Posts: 4,035	I have all MSD on my truck and you can't hear it there kidding. I say install a K&N air filter and get a high flow Cat. It will help on your gas mileage. Good luck! GMC Magnaflow high flow, Parts Accessories, Car Truck Parts - buy and sell on eBay Motors When I changed out my stock Cat to one of these my truck got much louder so it does help the flow in fact at that time I had a cherry bomb muffler one in two out I had to take it off because it was too loud for me so I replaced it with a Magnaflow muffler now it's mellow jello. Sorry I want to welcome you here and howdy from TEXAS. Last edited by gmctrucks; 08-06-2009 at 04:40 PM. Reason: add

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08-06-2009, 03:56 PM	#2
Bsprouse45 Junior Member Join Date: Aug 2009 Posts: 3	I have 2004 4x4 and it onlygets about 13.5on the highway. depending on your exhaust you more than likley will not here it kick on.