Cold Air Intake...AEM?MS?K&N???
#1
Cold Air Intake...AEM?MS?K&N???
I now have a Racing Beat exhaust on my rx8(04,GT,MT). I am going to get a Cold Air Intake very soon. I wonder which intake should i go for among the following choices:
1) mazdaspeed CAI
2) AEM CAI
3) RB REVi
4) K&N short ram
For now, I'd probably go for "Mazdaspeed" and my" RB exhaust". Is this a good combination?
Please give me some advices!!!
1) mazdaspeed CAI
2) AEM CAI
3) RB REVi
4) K&N short ram
For now, I'd probably go for "Mazdaspeed" and my" RB exhaust". Is this a good combination?
Please give me some advices!!!
#2
well, the aem and the mazdaspeed are the same thing. just different labels on them.
the k&n is not a cold air, hence the short ram
the rb is only cold air when you add the ram air piece to it
personally i have the aem, love the sound.
dont expect to make much horsepower from any of these.
the k&n is not a cold air, hence the short ram
the rb is only cold air when you add the ram air piece to it
personally i have the aem, love the sound.
dont expect to make much horsepower from any of these.
#4
I currently have the K&N ver 2, I got it mainly because of the carb sticker... there's a slight increase in sound but doesn't necessarily equal to horsepower increase, but if it did I'm sure it's not that much.
If I were you, since you already have the RB exhaust, might as well stick to RB and get their intake+duct, just my $.02
If I were you, since you already have the RB exhaust, might as well stick to RB and get their intake+duct, just my $.02
#6
check out the dyno charts from the open intakes (HKS posted dyno sheets). You'll lose power this way.
#8
I'd like to say a "thank you" to everyone who's sharing his experience with me here!
according to you guys, the AEM and MS CAI are the loudest ones. Since I want my 8 to be a little loud, I will probably go for one of these.
However, my concern is actually the fact that i already have the RB exhaust. should i get the REVi because they are the same brand, so this combination would work the best? I am thinking that when the RB guys design the REVi, they may try to match the intake with the their own exhuast. Am I right?
The question boils down to : do the "intake" and " exhuast" work indpendently or they slightly influence each other? so, when I decide which intake to buy, how much do i need to consider my RB exhaust?
according to you guys, the AEM and MS CAI are the loudest ones. Since I want my 8 to be a little loud, I will probably go for one of these.
However, my concern is actually the fact that i already have the RB exhaust. should i get the REVi because they are the same brand, so this combination would work the best? I am thinking that when the RB guys design the REVi, they may try to match the intake with the their own exhuast. Am I right?
The question boils down to : do the "intake" and " exhuast" work indpendently or they slightly influence each other? so, when I decide which intake to buy, how much do i need to consider my RB exhaust?
#10
I am kinda skeptical of this... Maybe a sales ploy to make us want to fork out the $650???
The only reason I am doubting this is because the difference in a intake from car to car should not net more gains just due to the fact that it is enclosed. In fact the HKS isnt completely enclosed, its open at the top. I find it hard to believe that this would yield any more power than the MS/AEM that is placed right behind the front grill where air is being rammed into.
The only reason I am doubting this is because the difference in a intake from car to car should not net more gains just due to the fact that it is enclosed. In fact the HKS isnt completely enclosed, its open at the top. I find it hard to believe that this would yield any more power than the MS/AEM that is placed right behind the front grill where air is being rammed into.
#11
I am kinda skeptical of this... Maybe a sales ploy to make us want to fork out the $650???
The only reason I am doubting this is because the difference in a intake from car to car should not net more gains just due to the fact that it is enclosed. In fact the HKS isnt completely enclosed, its open at the top. I find it hard to believe that this would yield any more power than the MS/AEM that is placed right behind the front grill where air is being rammed into.
The only reason I am doubting this is because the difference in a intake from car to car should not net more gains just due to the fact that it is enclosed. In fact the HKS isnt completely enclosed, its open at the top. I find it hard to believe that this would yield any more power than the MS/AEM that is placed right behind the front grill where air is being rammed into.
And they showed one that was partially open allowed the most air, while keeping the intake temps down. But the gains were similar to that one of that was fully enclosed. The only one that suffered was the completely open intake.
As we already know, the gains from the intakes are minimal. So I would never recommend $650
The reason I brought this up is because the results show that a fully open intake is a step down from even the OEM box = dumb move.
#13
Not true if you add the RB ram (or other) to the K&N. W/o a ram you are just going to suck up hot air. It has no way to really get freash air. With a ram it is the more or less the same as a cold air intake.
#14
CAI doesn't mean the intake must be physically in the air stream. So the ram air add-on isn't required for a CAI.
#15
Cold Air Intake=taking in air from outside rather than from the hotter engine bay. This is a good idea. That is why our stock airbox is a cold air intake already. That is why I like the stock intake best.
Ram Air=using the dynamic pressure from the relative velocity of the car moving through the air to try and force more air into the engine. There is some debate around the effectiveness of this and what gains there are from it. That is probably why our car does not come with it stock.
In my opinion the best combination is the stock airbox with the RB ram air duct. Just so I can say I fiddled with my intake.
Ram Air=using the dynamic pressure from the relative velocity of the car moving through the air to try and force more air into the engine. There is some debate around the effectiveness of this and what gains there are from it. That is probably why our car does not come with it stock.
In my opinion the best combination is the stock airbox with the RB ram air duct. Just so I can say I fiddled with my intake.
#16
I Have A Friend Who Has The Rb Exhaust And The Revi Intake- I Personally Dont Like The Sound- If You're Looking For Great Sound- I Would Go With The K&n , But Make Sure Its The Version 2- I Would Not Recommed The Ms Or Aem Because On A Rainy Day, It Could Cost You Your Engine Due To The Position Of The Filter Below In The Car
#17
#18
The revi and the stock intake both fit up to the front bumper and suck air from the area in front of the engine bay. they do not suck hot air from the bay like the K&N system does.
CAI doesn't mean the intake must be physically in the air stream. So the ram air add-on isn't required for a CAI.
CAI doesn't mean the intake must be physically in the air stream. So the ram air add-on isn't required for a CAI.
#19
I wouldnt worry about that. The only issue you would have is if you completely submerged the filter in water. I have had CAI on all of my cars, some slammed with coilovers and never had any issues.
If the weather is the worst, drive in the middle lane, but that is what I do regardless.
If the weather is the worst, drive in the middle lane, but that is what I do regardless.
#20
"Sucking enough water to crack the motor" is kind of an auto/urban legend, comes up every now and then that "....my cousins/friends/hairdressers brother went thru this deep puddle...."
Don't lose any sleep over it.
S
Don't lose any sleep over it.
S
#21
I dont know where you are going with this. My point was if you have a K&N v2 it's going to suck up hot air. You put a ram of some sort on the car that forces outside air into the engine bay, inches away from the filter you are not going to suck up hot air. The temps I read right off the filter and the maf are the same deg (give or take 1) as the outside air. Yes I still suck up hot air at a stop light, but even at 5mph the temps drop a huge amount.
Some of us intentionally pour water into the engine in order to clean out the carbon. Water into your intake isn't going to kill the engine. It'll help steam it clean though.
#22
If you think the heat soak is bad from a K&Nv2 sitting at a stop light. Then the Greddy turbo guys (or any under the hood filter turbo)must have it really bad. Sucking under the hood air up and not moving so the intercooler isnt working. Might even be blocking the radiator enough to slow its cooling. Most likly putting off more heat then a N/A motor, thats gotta be great.
#23
If you think the heat soak is bad from a K&Nv2 sitting at a stop light. Then the Greddy turbo guys (or any under the hood filter turbo)must have it really bad. Sucking under the hood air up and not moving so the intercooler isnt working. Might even be blocking the radiator enough to slow its cooling. Most likly putting off more heat then a N/A motor, thats gotta be great.
#24
I Have A Friend Who Has The Rb Exhaust And The Revi Intake- I Personally Dont Like The Sound- If You're Looking For Great Sound- I Would Go With The K&n , But Make Sure Its The Version 2- I Would Not Recommed The Ms Or Aem Because On A Rainy Day, It Could Cost You Your Engine Due To The Position Of The Filter Below In The Car
Thats actually completely wrong, in order for there to be an engine problem, that means the filter has to be completely submerged. that means you would have to drive in 2 ft of water or more, but you would be an idiot to do that....I drove through what seemed like a hurricane, and when i pulled into my garage, filter was fairly dry...
Last edited by PerformRX-8; 08-07-2007 at 01:39 PM.
#25
NO NOT JUST A RAINY DAY , BUT IF IT RAINS A LOT , WATER ACCUMULATES ON THE SIDE OF THE ROAD, AND WHEN YOU DRIVE BY THE WATER YOUR INTAKE IS SUCKING "AIR" GUESS WHAT ITS GONNA SUCK TOO- WATER - AND THATS GONNA DESTROY YOUR ENGINE