I considered the AEM/Mazdaspeed CAI, but didn't like how it would just be a pipe sitting there and the filter being so low to the ground in the front of the car.

I like the Revi cause it looks stock, and RotaryGod suggests it is probably the best intake option for the RX-8.

I did order it and it will be coming in on Tuesday. So hopefully sometime next week I can put it in.

 

Im interested as to how the K&N ver 2 and RB duct setup works and sounds, gains.

 

The RB duct wont change the sound much if any, but moving just about any speed the RB ram makes the K&N a cold air intake.

 

Let us know how it turns out for you, I think I will probably stick with the cheapest route as well and remove any uneccesary parts.

It just makes me so aggrevated that unlike most other cars you cant add small things here and there (intake, exhaust, etc...) to give it noticable gains. Hell it you put an intake on a civic you'd probably get like 30 hp lol.

I know the 8 is engineered to already be great but I am still unsatisfied with the torque, and the only way to fix it is something I can't afford right now. Is there any other (NOTICABLE) NA ways to increase the hp/torque on the 8 without going FI.

 

IS there a rouph idle with the mazda speed intake?

 

Yeah I know what you mean. I got both the intake and the air duct, and will hopefully install them next week.

 

Well, I just got the 4.77 rear gear installed yesterday. First impressions are revving faster and somewhat better accleration, although you aren't talking dramatic gains. But it is definitely more fun to drive around town. Should point out that I have a 4AT, so if you have something else, YMMV.

 

If you want more torque, getting an intake is the worst thing for your RX-8. I tried an HKS intake for all of 2 days before taking it right back out. The drop in torque was just ridiculous, in stock form the 8 has no problems climbing hills with just mild amounts of throttle, but with the HKS in, I had to completely floor the car and even then it would go absolutely nowhere. Not to mention it was one of the most hideous sounding intakes I have ever heard in any car.

 

That is why I purchased the Racing Beat Revi. Not as loud as the HKS, and is almost like the stock box.

 

Many of us have the RB setup and they are all pleased.

 

I know I think that the RB setup definately looks the best but does it give you any increases? Are they noticable? Can you hear the intake from inside of the car?

 

I got the Revi in yesterday along with the Duct.

Now I just gotta find time to put it in

 

After I put it in I will post a report. I know other people have posted reports but some things as to sound and performance gains can sometimes be subjective. I will see i suppose soon enough.

 

Um, performance gains cannot be subjective. You either gain power or you don't. The question is whether you gain any usable power. Intakes in an RX8 cannot be financially viable in any way.

 

Um the reason I said it is subjective, is the fact on what people feel or perceive after putting in the intake...


I put in the Revi earlier today and drove about 50-60 miles with it... Defeniately feel more power above 5k rpms. I was driving around for about 2 weeks with the drop in filter from K&n... and I feel more top end power over that. Below 5k feels the same as the K&N drop in filter...


The sound is great... Lower tone and a bit louder but not obnoxioulsy louder. The sound is much better than the stock box and drop in filter...

I will post a better in depth report once I do a gas mileage run.

 

thanks for info guys

 

NO intake unless it's a turbo or supercharger......

In my opinion it's just a waste of $ and you can't feel the difference.

But, if you insist I'll sell you my KN Typhoon (Version 1) intake for $100 or best offer

 

I just ordered my AEM today. It really is not much of a money issue since it was a bday present...but I liked how that was actually exposed to the outside airflow with just that one unit unlike buying two different parts to get air from outside the hood. I also think that has the best sound.

 

Here's what I recommend...drop in a K&N filter...remove the baffles...and remove the entire horn from the inside of the stock airbox, so that you're down to one screen. I have mine this way now and my RX-8 sounds heavenly, just perfect. There's a very noticeable sawing growl now if I apply any more than light throttle, and the sound remains well dampened and smooth without any funny drops or shifts in sound. I have zero problems with idling as well.

I didn't even think of drilling the stock air box, with the current setup now, maybe I should try that next and see what happens...

 

i noticed a louder intake sound from taking to panels out so if your looking for a good low sound then i would do that.

 

Most intakes are loud and obnoxious. I've considered 2 intakes that instead of producing a loud noise, compliment the rotary noise of the renesis. Mazdaspeed Intake and Racing Beat Revi intake. If you're looking to purchase an intake I highly recommend the above and would also recommend listening to any of all your purchases on Youtube. Gay noob I hate you!

 

Don't forget the AEM and MazdaSpeed intakes are one and the same.

 

I ordered the injen intake , lets see what that feels like.

 

Although I sell that one, too, I think there are a couple threads about it around here somewhere. BHR will, at SOME damned point, discuss airflow, intakes, and why they don't typically do anything for the RX-8. We will publish the relevant info and data about them, which doesn't include rwhp numbers.

 

It's going to suck ***...