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Ok, so I know some people are skeptical of the MPG and or HP increase when it comes to CAI's. HOWEVER, mine was purchased in hopes of a MPG increase. Due to the fact I am averaging 400+ miles a week on my X, this is a major goal.

So I added the Volant 12740 in hopes of a minor gain in MPG, any added HP and the enclosed box for wheeling was a bonus. Prior to install I was averaging the norm 300 +/- miles per tank.

After install it has been between 340-350 MPT. :rockin:



Granted, yes, most of my miles are HWY. However, this was still an increase for me. I know there are still going to be some skeptics. But, I just wanted to put this out there and give a big thumbs up to Volant.
 

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Volant 12740 increased MPG

Someone want to donate a volant to me? I'd gladly be a guinnee pig Lol.

I've been tracking miles on my X for the past year (every single tank) through my google doc file. Still stock, it would be very easy to see without additions of other mods muddling the findings.
 

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I was getting 400+ highway stock. Now after mods, lift, tires, bumber, etc. I am averaging about 275 a tank highway. 225 ish city. Not great, but my truck is so much more capable than it used to be.

Oh and dont feel bad. Most Jeepers are getting 12 - 15 with mods highway.
 

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I am getting 300 a tank all city driving. Im all stock. I hate it when I ride with my friend and look over at his scangauge as it reads 30mpg (drive's a Forrester).
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I am getting 300 a tank all city driving. Im all stock. I hate it when I ride with my friend and look over at his scangauge as it reads 30mpg (drive's a Forrester).
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I feel the pain just switching between my wifes hybrid jetta which averages 48 mpg city. Damn those fancy high tech cars.
 

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A little math...

So I was curious how quickly the gas savings will pay for this upgrade. If anybody is interested, please double check my math.

Assuming I did my math correctly here is what I get:

Average price of gas (for me for past 12 months) = $3.50/gallon
Miles/tank before CAI = 300
Let's assume that was on E = 17 gallon
That means 300 miles/17 gallon = 17.65 miles/gallon

Miles/tank after CAI = 340
That means 340 miles/17 gallon = 20 miles/gallon

[20 miles/gallon] / [17.65 miles/gallon] = 13% increase
Sanity check : [340 miles/tank] / [300 miles/tank] = 13% increase (whew, good so far)

We need to know the cost difference of $/mi to drive.

[$3.50/gal] / [17.65 mpg] = $0.1983/mile <-- Before CAI
[$3.50/gal] / [20 mpg] = $0.175/mile <-- After CAI

So now to see how fast it pays off (in miles driven). To figure this out we need to know the price of the Volant Cold Air Intake (CAI). 4 wheel parts currently has it for $356.99 with free shipping.

Ok so...

(X * $0.1983/mile) = $356.99 + (X * $0.175/mile)

(X * $0.1983/mile) - (X * $0.175/mile) = $356.99

X * ($0.1983 - $0.175) = $356.99

X = ($356.99) / ($0.1983 - $0.175)

X = 15,321 miles

So assuming the price of gas remains at $3.50/gallon you'll break even on the cost of the upgrade vs money saved at 15,321 miles. Anything after that and you're saving 13% in gas!

Assuming this is installed in your car for 100k miles, you save nearly $2,000 in gas over that time! Put another way, that's like getting 33 free tanks of gas!

If you plan on keeping the car longer than 15k more miles, this is an upgrade worth looking at just from a money point of view! Hmmm... I might have another upgrade in my future!
 
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