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Old 01-14-2012, 11:53 AM
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used k&n from amazon came new in box!

I bought a used k&n drop in filter from Amazon warehouse deals for $21 the other week. I took a chance with a used filter even though the condition said used-like new. When it arrived at the house it was brand new in box and the filter still had the sealed plastic wrap around it.

Point saying if you are in the market for a k&n check out amazon warehouse deals.

The filter will pay for itself quickly since now I am consistently getting 13mpg in the city instead of 11.5mpg with the paper filter.
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Old 01-14-2012, 04:42 PM
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Re: used k&n from amazon came new in box!

That's a great deal. Nice increase in mpg's to.
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Old 01-14-2012, 05:36 PM
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Re: used k&n from amazon came new in box!

That increase wasnt from the filter lol but it will pay for itself because you wont have to keep paying for paper filters every few thousand miles
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Old 01-14-2012, 11:17 PM
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Re: used k&n from amazon came new in box!

The increase was from the filter. My driving style stayed the same, ambient temp is the same. 50 miles after I put the filter in it slowly went up to 13. Keep in mind the old filter was very restrictive and I had no idea how many miles were on it because I bought the jeep used.
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Old 01-14-2012, 11:35 PM
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Re: used k&n from amazon came new in box!

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Originally Posted by 08JeepGC View Post
The increase was from the filter. My driving style stayed the same, ambient temp is the same. 50 miles after I put the filter in it slowly went up to 13. Keep in mind the old filter was very restrictive and I had no idea how many miles were on it because I bought the jeep used.
Unless your old filter was caked with dirt you are not going to get a 10% increase. In which case you would have got the same increase by putting in a new paper filter
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Old 01-15-2012, 02:14 AM
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Re: used k&n from amazon came new in box!

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Originally Posted by SvenskaJeepGuy View Post
Unless your old filter was caked with dirt you are not going to get a 10% increase. In which case you would have got the same increase by putting in a new paper filter

Truth!
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Old 01-15-2012, 02:41 AM
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Re: used k&n from amazon came new in box!

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Originally Posted by svenskajeepguy View Post
in which case you would have got the same increase by putting in a new paper filter
Exactly!!!

You could run with NO filter and not see an increase in mileage or HP.
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Old 01-15-2012, 03:40 AM
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Re: used k&n from amazon came new in box!

I agree with the rest (should be no real gain in mpg), regardless you got a good deal!
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Old 01-15-2012, 01:10 PM
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Re: used k&n from amazon came new in box!

A filter may net some increase but I cleaned the throttle body around the same time. I bought the jeep used at 37k miles and it looked like it was never cleaned. So maybe the cleaning helped out a little bit. The oil was really caked on.
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Old 01-15-2012, 10:02 PM
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Re: used k&n from amazon came new in box!

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Originally Posted by 08JeepGC View Post
A filter may net some increase but I cleaned the throttle body around the same time. I bought the jeep used at 37k miles and it looked like it was never cleaned. So maybe the cleaning helped out a little bit. The oil was really caked on.
+1 on the TB. Just cleaned mine and had close to 3mm of caked on crap. Took me 20 minutes of scrubbing with a toothbrush and TB Cleaner to get it all shiny again.
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