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tubtubca 07-18-2011 02:31 PM

Fuel Economy Advice
I have a '09 Ram and like all of you im always looking for ways to make it a little more fuel efficient. right now i only have a K&N Cold Air Intake installed and that helped out a lot but i still want to do more. I was doing some research and im thinking about getting;

a high permance muffler (i heard flowmaster 40 is one of the best to help improve fuel efficiency)
Diablo sport predator mod for the engine

im hoping someone can offer their input on the pro's and con's of these or if there are any better parts or ways to help improve fuel economy

Studbuster 07-18-2011 09:23 PM

The ONLY way to improve fuel economy and save money you will never recoop in fuel savings is to keep your foot off the floor. But that is no fun!

Excoastie 07-19-2011 07:25 AM

a good exhaust will help the engine breathe better, though I doubt that you'll see much of an improvement in fuel economy. You'll make it sound a lot better though :D

The DSP is said to be one of the best out there for our trucks. I personally don't have one, and I don't know much about 'em. If you check out the section of the forumZ on the DSP you might be able to find out more info on what they're capable of. I've linked it below.

good luck


notnks 07-19-2011 08:16 AM

Get a tonneau cover, you will get about 1.5-2 mgp gain on the hi-way. I have read a couple studies on them and have experienced in on my other truck.

HEMILANCER 07-19-2011 09:48 PM

coasting to stops by watching redlights far ahead is the best bang for the buck mod. lol how long does it take to pay back fuel savings on an exhaust.

DBryant 07-20-2011 08:51 AM

All the mods listed might (I said might) get you 1 mpg at the most, providing you don't change your driving habits. The best way to improve milage is to drive like you have an egg under the gas pedal. Of course with a Hemi, this is no fun. Lots of money wasted on mods to get better fuel economy, don't you think if it was that easy the factory would do it. They want all the milage they can get out of these trucks for Cafe regs and bragging rights.

gs283020 07-20-2011 10:44 AM

I was averaging about 19 mpg highway when I first got my truck for a month. I know a lot of people are going to argue with me but I have hand calculated it myself. I have since added a Tonneau cover, AFE CAI, and a Magnaflow muffler swap(Y pipe is waiting in the basement for the end of the month). With this set up I made a lot of trips because my Mother-in-law was visiting for 6 months. We went to Niagra Falls, upstate NY, Baltimore, Washington D.C., NYC, Ohio, and a bunch of parks all over multiple states since I got my truck on March 1st. With my wife, m-i-l, myself, and 3 people's luggage I was easily getting 21-22 mpg. I am not saying it is day and night but even without a tuner(still waiting for them to release for 11) I got 2-3 mpg more on freeway with this set-up.

Also for those of you who say it won't pay for itself, do the math. 3 mpg more that is say 75 miles more per tank for math sake with a 25 gallon fill-up. With gas at $4.00 a gallon, say that we saved 4-5 gallons of gas per fill up. Therefore saving $20-25 a tank... How many times do you fill up your truck in the time you own it?

Also before you stipulate, I realize also that the #1 most important thing to do saving gas is to stay off of right pedal. I am one that likes to have the extra under the hood, but I also want to be able to use it as a practical trip/daily driver vehicle. I believe that with what I have done, I have made it just that...

snrusnak 07-20-2011 12:08 PM

Tuner will be the best mod for fuel economy. The others (intake and exhaust, etc...) you may not even notice. A tuner WILL definitely pay off even though it may take a year, maybe 2 years. This is based on you driving normal, not flooring it everywhere to take advantage of the new found power.

awful knawful 07-20-2011 05:20 PM

I got a solid 2mpg with the Superchips in city/rural driving on the 87 tune. I drive it easy too.

HEMILANCER 07-20-2011 10:26 PM

idk yall my truck has a drop in filter and a bed cover at its best( 68mph for 200 miles) i get 22.5mpg's. i'm really hesitant to modify anything. i live on flat ground at sea level so conditions r ideal. Be careful how u modify your vehicle sometimes your better off leaving it alone, unexplained things can happen and these aren't fuel saving vehicles.

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