View Poll Results: Which Intake
HKS
150
42.25%
AEM
40
11.27%
K&N
56
15.77%
Others
109
30.70%
Voters: 355. You may not vote on this poll
Intake Evo 8
Ok, I guess I can put my experience down on this thread too, since everyone is doing it. 
I just finished takin goff the RMR filter I had on my Evo for about a week or so. The sound is awesome, but I found that on my evo, with just a full 3" catback, the RMR filter(no hard pipe) actually made my car a bit "slower" on the low end. The rpms would rise from 2500 to 4000 but I noticed that my car doesn't seem to push me back as it did with the stock intake box and K&N drop-in filter. I definitely felt the turbo lag before 3500rpms with the RMR intake and the low end torque suffered.
The car pulled a little bit more on the high end, around 60-80mph, but I don't think the low end was that good with the RMR filter. It seemed the rpms would rise smoothly but then I noticed that my mph would barely moved, as if something was holding it back. The bov definitely sounded nice and loud and when you shift, it sounded evil, but I don' t think it's worth putting on, with an "un-tuned" Evo. Maybe it's different for other people, but I know on my car, I don't think the RMR filter made my car better than it was with the stock intake box and K&N drop-in filter. Maybe, with the proper tuning, it would be great, but I think for now the stock intake box and drop-in filter is the way to go. I do like the sound, but the "lacking" low end torque is not as fun.
I just finished takin goff the RMR filter I had on my Evo for about a week or so. The sound is awesome, but I found that on my evo, with just a full 3" catback, the RMR filter(no hard pipe) actually made my car a bit "slower" on the low end. The rpms would rise from 2500 to 4000 but I noticed that my car doesn't seem to push me back as it did with the stock intake box and K&N drop-in filter. I definitely felt the turbo lag before 3500rpms with the RMR intake and the low end torque suffered.
The car pulled a little bit more on the high end, around 60-80mph, but I don't think the low end was that good with the RMR filter. It seemed the rpms would rise smoothly but then I noticed that my mph would barely moved, as if something was holding it back. The bov definitely sounded nice and loud and when you shift, it sounded evil, but I don' t think it's worth putting on, with an "un-tuned" Evo. Maybe it's different for other people, but I know on my car, I don't think the RMR filter made my car better than it was with the stock intake box and K&N drop-in filter. Maybe, with the proper tuning, it would be great, but I think for now the stock intake box and drop-in filter is the way to go. I do like the sound, but the "lacking" low end torque is not as fun.
Newbie
Joined: Jan 2005
Posts: 25
Likes: 0
I had an injen intake on my wrx, when i still had the car. It worked out great and from what i have seen on the boards injen is known for their great intakes.
Question, which one helps you hear the turbo spool up the loudest? I love that sound and i plan to get an intake when i get my evo.
Question, which one helps you hear the turbo spool up the loudest? I love that sound and i plan to get an intake when i get my evo.
I would go with the K&N. My buddy got an AEM for his Evo and I gained about 8 hp over his intake, believe it or not. I gained a total of about 18 hp/15 tq. The K&N intake is very well made and they also added a small piece of metal on the inside of the pipe just before the BOV, which (according to K&N) allows the compressed air to more quickly be released and reduces turbulence in the pipe. That in turn allows for better flow and more power.
Also, the K&N filter is reusable.
I have had my intake on for about a year now with no problems. The one thing I did notice was that with the bigger pipe of the intake the MAF was reading much larger volumes of air due to the open air filter and the size of the pipe. This triggers the ECU to add more fuel, which caused the engine to run richer. Just to give you an idea, I have the ECU+ engine management system and I took out up to 28% fuel (keep in mind I have other mods as well).
Also, the K&N filter is reusable.
I have had my intake on for about a year now with no problems. The one thing I did notice was that with the bigger pipe of the intake the MAF was reading much larger volumes of air due to the open air filter and the size of the pipe. This triggers the ECU to add more fuel, which caused the engine to run richer. Just to give you an idea, I have the ECU+ engine management system and I took out up to 28% fuel (keep in mind I have other mods as well).
Helix DNA Intake - NO FIT
Helix DNA Intake
We were all told it would work on the stock AirBox, and it was sold to some that way.
In reality it appears that maybe, with major surgery to the large S-pipe, it will work.!
Whaz up with that......
Please Advise,
MachC5
We were all told it would work on the stock AirBox, and it was sold to some that way.
In reality it appears that maybe, with major surgery to the large S-pipe, it will work.!
Whaz up with that......
Please Advise,
MachC5
Evolved Member
iTrader: (7)
Joined: Aug 2004
Posts: 1,252
Likes: 0
From: Del Monte Beach, Monterey, CA
I dont know why anyone has not develope this yet... why not just produce a larger lid for the stock box with a little CF bling to as well. You could make the box a little taller.. with a wider snorkel and mouth. Thats all you would need to get all the air you want. It would be hard to beat that setup IMO... If you want to as well, there could be a small mesh gril on the far right side. If you put a big hole there your just flooding the intake with hot air.. a smaller hole would only help the snorkel breath a little better.
Newbie
Joined: Jan 2006
Posts: 22
Likes: 0
From: New Jersey
Originally Posted by rsboy
Ok, I guess I can put my experience down on this thread too, since everyone is doing it.
I just finished takin goff the RMR filter I had on my Evo for about a week or so. The sound is awesome, but I found that on my evo, with just a full 3" catback, the RMR filter(no hard pipe) actually made my car a bit "slower" on the low end. The rpms would rise from 2500 to 4000 but I noticed that my car doesn't seem to push me back as it did with the stock intake box and K&N drop-in filter. I definitely felt the turbo lag before 3500rpms with the RMR intake and the low end torque suffered.
The car pulled a little bit more on the high end, around 60-80mph, but I don't think the low end was that good with the RMR filter. It seemed the rpms would rise smoothly but then I noticed that my mph would barely moved, as if something was holding it back. The bov definitely sounded nice and loud and when you shift, it sounded evil, but I don' t think it's worth putting on, with an "un-tuned" Evo. Maybe it's different for other people, but I know on my car, I don't think the RMR filter made my car better than it was with the stock intake box and K&N drop-in filter. Maybe, with the proper tuning, it would be great, but I think for now the stock intake box and drop-in filter is the way to go. I do like the sound, but the "lacking" low end torque is not as fun.
I just finished takin goff the RMR filter I had on my Evo for about a week or so. The sound is awesome, but I found that on my evo, with just a full 3" catback, the RMR filter(no hard pipe) actually made my car a bit "slower" on the low end. The rpms would rise from 2500 to 4000 but I noticed that my car doesn't seem to push me back as it did with the stock intake box and K&N drop-in filter. I definitely felt the turbo lag before 3500rpms with the RMR intake and the low end torque suffered.
The car pulled a little bit more on the high end, around 60-80mph, but I don't think the low end was that good with the RMR filter. It seemed the rpms would rise smoothly but then I noticed that my mph would barely moved, as if something was holding it back. The bov definitely sounded nice and loud and when you shift, it sounded evil, but I don' t think it's worth putting on, with an "un-tuned" Evo. Maybe it's different for other people, but I know on my car, I don't think the RMR filter made my car better than it was with the stock intake box and K&N drop-in filter. Maybe, with the proper tuning, it would be great, but I think for now the stock intake box and drop-in filter is the way to go. I do like the sound, but the "lacking" low end torque is not as fun.
you mentioned you have a BOV, what type do you have and does it mess with your idle and have you had any problems with it?
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