K&N Filter

probably 1 hp, a bit of a pick up but not much of a difference...its up to you if you get it

oh nevermind then thats next to nothing

Everything like this won't gaurentee noticable hp, but if you think about it, and do a couple things here, and a couple things there. Those +1hp's and so could really add up to maybe an extra 5hp.

They aren't made to make your car into a race car.
The K&N drop in filter is definitely on my list of things to get!

I have the kn inbox and i'm satisfied with it, i don't know how much extra power, but i know that the acceleration is better.

It's a cheap upgrade, i won't have to change the air filter anymore, just have to wash and spray the kn filter.

I wanted to install a CAI, but i was affraid to avoid the car warranty, so i decide to use the kn inbox and in case i have to take the car to the dealer i put the original air filter.

Watch some airflow tests on K&N filters. They increase airflow by a mammoth amount.

Like any combustion engine, more air helps for a better bang....which will in no doubt, increase horsepower, fuel economy and ease of picking up chicks (unless your car has a big K&N sticker on it, then you'll like;y attract the trolls )

yes they are worth it i noticed a big acceleration gain but no top end speed difference..
for about $40 cash its worth it it pays itself off..
no replacing air filters and more, increases acceleration, and also gas mileage..
before my k/n i got about hi 30's in gas mileage on a not driving crazy week and now on a not driving crazy week i get low 40's..
there a cheap fun upgrade well worth it

I'm fairly convinced now... Maybe I'll get one sometime soon.

Yeah, it's easy to accelerate in the Versa with the KN filter. I always pass by people in heavy traffic in the right lane. Now I wonder how much an improvement is with an AEM CAI.

I've been looking online, including eBay, and I can't seem to find it close to $40, more closer to $50. Where are you guys looking?

VersaMG08 said:

Yeah, it's easy to accelerate in the Versa with the KN filter. I always pass by people in heavy traffic in the right lane. Now I wonder how much an improvement is with an AEM CAI.

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I was wondering the same thing. Since I saw the k&n @ $50, I was thinking just waiting and getting the CAI.
Is AEM the better brand CAI?

I bought my filter here:

http://cgi.ebay.com/ebaymotors/K-N-...rQ5fTruckQ5fPartsQ5fAccessories#ht_984wt_1166

The fujita cai made a huge difference in overall performance.

I so want a Fujita CAI but its sooooo expensive getting one here

VersaMG08 said:

probably 1 hp, a bit of a pick up but not much of a difference...its up to you if you get it

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LOL! 1hp is the error margin in a dyno. It's hard even to quantify that in a dyno. I bet it's better flowing anyway than the OEM filter element. It's worth a try.

2dr_sentra said:

The fujita cai made a huge difference in overall performance.

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The difference is noticeable by a huge margin...