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Series I Aftermarket Performance Modifications Discussion of power adding modifications

RX-8 aftermarket exhausts SUMMARY

Old Aug 19, 2009 | 08:27 PM
  #601  
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they are rotaries! go to racing beat they have them there 2' for none turbo and 3' for turbo. Those are 3'
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Old Sep 4, 2009 | 07:31 AM
  #602  
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Does anyone know if any manufactuer has a exhaust system with four pipes at the back?
If not maybe i have to get one custom made?
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Old Sep 4, 2009 | 10:02 AM
  #603  
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^why would you want 4 pipes..?
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Old Sep 5, 2009 | 10:59 AM
  #604  
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Originally Posted by trandi47
Does anyone know if any manufactuer has a exhaust system with four pipes at the back?
If not maybe i have to get one custom made?
I believe Auto Exe makes one but you will need their custom rear valance...and its not good looking IMO
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Old Sep 5, 2009 | 11:09 AM
  #605  
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Racing Beat has a 4 pipe exhaust, but it's for 09 model, maybe adaptable?
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Old Sep 9, 2009 | 10:38 PM
  #606  
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Does anyone have any information on the Trust MX exhaust? I found a few clips on youtube and it sounds ridiculously hot, but google doesn't turn up much.

vid in question: http://www.youtube.com/watch?v=ODq_3wFXsTw
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Old Oct 11, 2009 | 10:51 PM
  #607  
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Has anyone tried the 5-zigen Pro Racer exhausts for the RX-8? 5-zigen offers both the ZZ (full stainless) & the A-spec (stainless/semi titanium) for RX-8's. I'd really love to see either of these systems installed, or better yet, hear a clip.

Link for where you can buy: http://www.speedalliance.com/catalog...at=1945&page=1 (mind you its a generic picture, not a system specifically for an RX-8)

Or perhaps the Odula systems?

RS Type:

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Spec V:

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Pricey pricey, but oozing with JDM flava!

Last edited by OSSHWA; Oct 11, 2009 at 11:28 PM.
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Old Oct 12, 2009 | 06:47 AM
  #608  
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Pity they are upside down. LOL.

Cheers,
Hymee.
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Old Oct 12, 2009 | 09:57 AM
  #609  
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Originally Posted by Hymee
Pity they are upside down. LOL.

Cheers,
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lol what?
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Old Oct 13, 2009 | 11:25 AM
  #610  
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Look at the hangers....photographed upside down.
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Old Oct 13, 2009 | 03:09 PM
  #611  
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Just call it our unique sense of Aussie humour.

Cheers,
Hymee.
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Old Oct 14, 2009 | 01:35 AM
  #612  
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Originally Posted by okrx8
Look at the hangers....photographed upside down.
Ah, right you are. I missed that at first.
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Old Oct 17, 2009 | 06:36 PM
  #613  
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Hi !!

I have a supersprint catback and I think I'll change it... I like the hks with those huge exhaust

But I want to have some feedbacks on rotary extrem's ? their catback is weird...
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Old Oct 26, 2009 | 06:09 PM
  #614  
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Originally Posted by JMKuco
Hi !!

I have a supersprint catback and I think I'll change it... I like the hks with those huge exhaust

But I want to have some feedbacks on rotary extrem's ? their catback is weird...
There is info on the old Helix exhaust that Rotary Extreme used to sell, but that exhaust looks simular but it is built completely different.


For the new exhaust here is the most info you can get.

LINK:==> http://www.rotaryextreme.com/rx8redualcatback.html

This exhaust has a combined diamter of 4" catback pipe. It has two 2"pipes.

The whole reason for this set-up is to support the custom dual header and midpipe. That cat-back itself is more of a high rpm cat back. You dont lose any power down low.

It has a slight drone inside the car. It has the 4" ti tips but you can get it with any tips you can find. They will be added at time of assembly.

It is a very nice sounding exhaust but under partial and full throttle it is loud.

The cat-back is goo for turbo. The full exhaust will be good for N/A.

Just keep in mind the price is dictated by the amount of materials used, this exhaust uses more material so that is why it has the price it does.

I have plenty of videos on youtube with this exhaust on my car, unfortunately covered with high energy music...lol

Ben

Last edited by Benjamz; Oct 26, 2009 at 06:11 PM.
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Old Oct 28, 2009 | 08:37 PM
  #615  
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Exoticpeed R1-t exhuast adds about 10-12HP to the wheels
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Old Oct 30, 2009 | 05:57 AM
  #616  
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Originally Posted by Scartz
Exoticpeed R1-t exhuast adds about 10-12HP to the wheels

I believe it if they replace the cat with a midpipe and offer the midpipe as part of their exhaust system.

But I have yet to see a cat-back that can add 10 to 12 whp all by itself.

It is easy to fudge a dyno run by running the car warmed up first, swap the exhaust then run the car bearly warmed up when the intake manni is still cool to the touch.

But still, the Exoticpeed R1-t exhuast is very very nice.

Last edited by Benjamz; Oct 31, 2009 at 05:27 AM.
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Old Oct 30, 2009 | 11:42 AM
  #617  
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yeah...

What do think about the Hks hi-power???

Last edited by Schartz; Oct 30, 2009 at 11:45 AM.
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Old Oct 30, 2009 | 12:18 PM
  #618  
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Originally Posted by Scartz
Exoticpeed R1-t exhuast adds about 10-12HP to the wheels
no exhaust is going to add 12 to the wheels without removing the cat and doing a Midpipe
Originally Posted by Scartz
yeah...

What do think about the Hks hi-power???
sounds good, little too loud for my personal taste but many here like it.
xdeedubbx has clips on youtube
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Old Oct 31, 2009 | 05:27 AM
  #619  
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Originally Posted by Scartz
yeah...

What do think about the Hks hi-power???
I had that exhaust before. Its very nice, similuar performance as racing beats.
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Old Nov 19, 2009 | 08:31 AM
  #620  
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no way, only 1 exit? and its super ricey and loud.
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Old Nov 19, 2009 | 08:47 AM
  #621  
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so is the Mazdaspeed one really the saem as the stock with different tips? Videos don't sound like it but curious here. is there a difference in sound between the single and double can?

Last edited by Bigbacon; Nov 19, 2009 at 09:00 AM.
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Old Nov 19, 2009 | 05:54 PM
  #622  
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Originally Posted by always.anthony
no way, only 1 exit? and its super ricey and loud.
My bad, your right. I got confused with the HKS legamax. I had the legamax and NOT the high power.
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Old Nov 19, 2009 | 05:56 PM
  #623  
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Originally Posted by Bigbacon
so is the Mazdaspeed one really the saem as the stock with different tips? Videos don't sound like it but curious here. is there a difference in sound between the single and double can?
MS dual can is a lot deeper than stock exhaust and IMO quite a bit louder, but not stupid loud. As far as sound difference between single and dual canister not sure but dual looks a lot better
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Old Nov 20, 2009 | 06:41 PM
  #624  
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gonna delete my cat soon, and keep everything else stock and see how that sounds, this is an aftermarket exhaust thread, not catback thread :P
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Old Dec 5, 2009 | 08:53 PM
  #625  
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If there is some interest, I have recording gear and can make a good sound clip of my HKS Hi-Power that I installed this week. There are plenty of vids on YouTube of it, but video camera's in general don't capture sound very well. I'd do a comparison to stock, but it's getting rather cold here in Ohio and i don't feel like going through the effort to swap back and forth just for an audio clip.

I love the sound all the way through the rev range. It is nice and deep, but not booming like some others i have heard. It is on the louder side, but not terrible. As long as you can keep your right foot out of the radiator, it's only slightly noticeable at cruising speeds and doesn't really drone unless going uphill at low rpm.
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