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This K&N cold air intake system is engineered for your vehicle. A mandrel-bent aluminum intake tube helps increase the volume of airflow to your engine and provides a guaranteed increase in horsepower and torque with no tune required. This intake system is paired with a washable, reusable High-Flow LIFETIME Air Filter™ featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom designed open heat shield helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 60 minutes. Not legal for sale or use in California on any pollution controlled motor vehicle.
Compatible Vehicles:
- 2003-2007 HONDA Accord
John A
Reviewed in the United States on July 16, 2017
I had some reservations about going with the cold air intake but after buying and installing it in my 06 Accord V6 I am very happy I decided to get it.Install:Installing the new intake was very straightforward and easy. The issue was getting the old one out. In my car the stock intake resonator was u-shaped and didn't want to come out. I ended up having to take off the bumper and even then had to wiggle and pull extremely hard to get it out. There was a lot of swearing involved.But, once it was out, there were no hiccups. The instructions are clear and the kit comes with all the hardware needed, including a water shield for the filter itself. K&N did a good job on this front.Another note is you will definitely want a bunch of new Honda clips. You will need to pop them out regardless of whether you go through the wheel well or the bumper. A good amount if them will break, and you will need extras to put everything back together. They're cheap, just do it.The Sound:This is for sure my favorite part of this upgrade. When accelerating below 3k rpm, I really can't hear a difference. But, as the rpms go up, the sound gets louder and more aggressive all the way to WOT. It's a deep, sporty sound, not a cheap sound that makes your car sound like crap.Another huge difference in the sound is when the VTEC kicks in. I used to hardly be able to hear the VTEC when it came on, but now the car roars when you cross that to rpm mark. It makes the car feel so much more aggressive. Love it.Performance: This is going to be the toughest to judge just because I didn't do any sort of official dyno tests before or after. All of this is based off of feel, so take that for whatever it's worth to you.When driving under 40 MPH or so, I don't think I feel a speed or acceleration difference. The Sound is still there at higher rpms, but I don't think it's faster. But, I really do think I notice a difference in acceleration at higher speeds. Going from 45 to 70 to get on the highway feels a lot more responsive and it feels like it gets there a little faster. Not a ton, but I notice it. Also, it appears to respond more quickly to the gas when accelerating from, say, 55 to 75 on the highway.Overall, id say it feels like there was a small bump in performance. How Mich, it's tough to say. Who knows if it's the 10hp that K&N claims on their dyno charts, but it's not zero either.Gas mileage:I didnt do this for the mileage, and I have no idea if it helps. What I do know is any mileage benefits will be wiped out by the fact you're tempted to floor it at every red light now.Overall:Highly recommend. Pain to get old intake out, new one went in easy. Sounds incredible. Feels a little faster. Go for it.
Sean Lewis
Reviewed in the United States on August 9, 2015
Works great and i can pass emmisions with it! The cover to protect it from water is nice and it mounts in placr nicely! The throttle responce is much quicker with it im not sure if i gained any horsepower
Shaun Mosiychuk
Reviewed in the United States on August 26, 2014
Bought this a few years ago now. Very good investment. I have noticed increased MPG and HP. Both might not be substantial but noticeable. Installation was kinda tough, just make sure you take your time.
unrockable3
Reviewed in the United States on November 23, 2014
Great product. Produced more horsepower and torque. I strongly recommend. Thanks!
AZCR
Reviewed in the United States on March 11, 2012
I installed this on a 2006 Accord V6 in early 2010. In the 2 years/40k miles since then I have had no problems with it aside from the pain of getting back in to the wheel well to clean the filter about once a year. Install of the K and N was not too bad but you do need to jack the car up, remove the front driver side wheel and remove the plastic wheel well lining to get to it. Just make sure you do not break any of the little plastic fasteners that hold it in place.Removing the OEM intake system sucks. It is definitely not intended to come out and some serious finesse and twisting/pulling in just the right way is needed to get everything out. It took me about 3 hours to do the whole job but 2+ of that was disassembly and removal of the OEM. The K and N bolts right in to existing holes.Since this sits so low on the car, also make sure you use the drycharger that luckily came equipped in the box. This is sort of like a scotch guard for your filter and helps with any water or dirt that splashed up through any openings on to the filter.I noticed a much throatier sound from the car especially above about 4k RPM and a few more ponies. I usually drive my car for efficiency rather than performance though, but would say I picked up maybe .5 - 1 MPG which should help this pay for itself in the longer run.
yourpalallen
Reviewed in the United States on September 24, 2009
K&N provides a dynometer sheet to show the HP improvement;incidentally, you can read it online. However, it has many flaws that prevents me from trusting the results. It shows a 10hp increase at 4500 RPM that is highlighted. There is a greater increase of 12-14hp at 5500RPM that was ignored according to their diagram. There was only 2 separate runs on the same vehicle with the same exact miles at only 1 second apart. There should be an average of several runs.Its amazing that someone could change out the filter that quickly, or even do one dyno run that quickly; the dyno sheet tells you the time of the test, temp, and humidity of the test area. The climate system or weather sure did change so quickly in one second. Anyways, I could go on but you get my point.It is supposed to be a cold air intake but is made of aluminum. Aluminum transfers heat very quickly thus the engine compartment temp will also heat the air in the tube that takes cooler air from below wiping out any of the benefit of taking in cooler denser air from below. My intake pipe was too hot to touch for more than a second. Insulation could remedy this. I compared the size of the stock tube to k&n did not appreciate much difference in the overall size of the crosssection.I did not have access to a dyno so I did real world times of 2nd gear 2000 rpm time to redline. Avg times pre KN were 5.8 seconds to around 6 seconds. Post KN times were 5.0-5.65 seconds. Not much of any improvement. It also doesn't feel any different. I am considering reinstalling my stock box. However, there may be a synergistic improvement with an exhaust that has more flow to match increased intake flow. I will gut the 3rd catalytic converter in the exhaust system and test the times again later.The sound is of personal preference. It is louder at wide open throttle with a racier sound. I can also hear some of the normal air hissing sounds at lighter throttle that the stock box hides well. Mid RPM medium throttle sounds the best in my opinion.My first milaege recording was 25.2mpg from my normal 24.5 to 26mpg. I have been very heavy on the throttle though. So, there may actually be an increase in mpgs slightly.I used it as a short ram configuration so far and will try the extra length at a later date.
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