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-   Series I Aftermarket Performance Modifications (https://www.rx8club.com/series-i-aftermarket-performance-modifications-23/)
-   -   Midpipe W/O cats question? (https://www.rx8club.com/series-i-aftermarket-performance-modifications-23/midpipe-w-o-cats-question-141406/)

RXgrayspeed1 03-24-2008 10:43 PM

Midpipe W/O cats question?
 
i really want to get a midpipe wi/o cat or anything just stright pipe. I was wondering do i need to get it tunned after and will my check engian light come on with out cats? Pritty much im asking is there any thing else i need to get if i want a stright mid pipe?

xsnipersgox 03-24-2008 10:47 PM

u would need 1st..

a mid pipe.
2nd.. a muffler store
3rd, a light foot around cops.
4th..
site:rx8club.com searchquerygoeshere

type tat in google.

Fanman 03-24-2008 11:55 PM

1. You do not need to get it tuned
2. You will have a strong gas odor at times, as the fuel will not get burned completely, and the smell will get into the cabin
3. You may very well get the check engine light. Nothing you can do about this as the engine is detecting that you have no cat.
4. If you have an aftermarket cat back exhaust, it will be VERY loud (like obnoxiously loud).

Why you would do this vs. just getting a hi-flow cat is debatable. Might only lose a hp or two, and you won't have the above problem, let alone destroying the environment.

DOMINION 03-25-2008 01:40 AM

Destroying the environment is the inevitable!

eddybear 03-25-2008 01:40 AM

What would be the best midpipe hi-flow cat that could be paired with say teh Borla Exhaust ?

xsnipersgox 03-25-2008 01:51 AM

omg.. search

please..

type in google:

site:rx8club.com hi-flow cat

eddybear 03-25-2008 01:56 AM

I think there are jerks on this forum who stay online 24/7 so they can be the first to chime in with 'omg search' as if 216 posts ago they werent the same noob we all are.

my question was specifically 'in collaboration with'.....

so if you don't specifically have an answer your post amounted to nothing.

xsnipersgox 03-25-2008 02:01 AM

i am sorry that i have my email linked up to update on my computer instantly, and a bit more tech savvy than you so i can see exactly when a reply has been made to a thread that i have replied in.

now, its either my version of the nice search it,even goes as far as telling u exactly how, or the

MM version of

SEARCH

edit:

216 posts ago, i was lurking the FAQs and stickies, get real.

eddybear 03-25-2008 03:03 AM


Originally Posted by xsnipersgox (Post 2367634)
i am sorry that i have my email linked up to update on my computer instantly, and a bit more tech savvy than you so i can see exactly when a reply has been made to a thread that i have replied in.

now, its either my version of the nice search it,even goes as far as telling u exactly how, or the

MM version of

SEARCH

edit:

216 posts ago, i was lurking the FAQs and stickies, get real.

bla, bla & more bla...

now if only you had substance to produce an answer, then your e-mail notification might actually serve some good.

GAMBEAN 03-25-2008 06:49 AM

try this. http://rx7.com/store/rx8/rx8exhaust.html

your welcome :)

mysql 03-25-2008 06:59 AM

buying an accessport will resolve your CEL issues when catless. However I am of the opinion that a NA rx8 has no business going catless because it is insanely loud, horrible sounding, and the gains do not justify the means.

RXgrayspeed1 03-25-2008 07:54 AM

wont i get more hp w/o cats tho thats what im looking for the most i just need more hp. for the rx8 will i get more without cats?

mysql 03-25-2008 08:13 AM

yeah. But the gain is so slight you cannot feel it. Even small temp changes will make your car gain/lose more power than that.

\\Konig\\ 03-25-2008 03:13 PM


Originally Posted by mysql (Post 2367726)
buying an accessport will resolve your CEL issues when catless. However I am of the opinion that a NA rx8 has no business going catless because it is insanely loud, horrible sounding, and the gains do not justify the means.

youve obviously never heard a rx8 with the racing beat exhaust and a catless midpipe!

mysql 03-25-2008 03:23 PM

The sound is fine with the stock exhaust too, so that isn't saying much.

Most who go catless do it for the sound, expecting that more sound = better. Or that gaining 2 hp will be totally worth it. What they usually end up with is a ricer civic sound and no gains to speak of.

HiTMaNN 03-25-2008 03:34 PM

So your telling me when I am bumping Catch Phrases from The Fast and The Furious on my stereo at Voluma 27 I am not increasing my HP?!?!

Fanman 03-25-2008 05:49 PM


Originally Posted by RXgrayspeed1 (Post 2367763)
wont i get more hp w/o cats tho thats what im looking for the most i just need more hp. for the rx8 will i get more without cats?


You will, but pretty much what most people on here are telling you is that for extra 1-2 hp, the tradeoffs might not be worth it.

xsnipersgox 03-25-2008 06:42 PM

now i think about it, u want hp? go lose 10 pound, and while at it, take that stereo and sub out of ur car.

Nemesis8 03-25-2008 07:03 PM

Is the spell checker broken?

xsnipersgox 03-25-2008 07:34 PM

maybe

eddybear 03-25-2008 07:40 PM

sounding like the borla & rp super cat for me, based on all the research done here and everywhere else...

sounds like a nice way to lose $1,000 :)

tiltmode43 03-26-2008 03:23 AM


Originally Posted by mysql (Post 2368623)
The sound is fine with the stock exhaust too, so that isn't saying much.

Most who go catless do it for the sound, expecting that more sound = better. Or that gaining 2 hp will be totally worth it. What they usually end up with is a ricer civic sound and no gains to speak of.

but but der flamezes

http://img.photobucket.com/albums/v6...de43/flame.jpg

Really, if I drove my car a lot this would not seem worth it. To be honest I dived into this after having a relatively quiet catback + stock cat ~ wanted a drastic change and figured hey, why not. As far as the atmospheric changes, while in the atmosphere portion of Earth Systems class I really began to feel less and less guilty; at least being a catless rotary.

wikipedia says it so it MUST be true:

While manufacturers of piston-engine cars were turning to expensive catalytic converters to completely oxidize the unburned hydrocarbons, Mazda was able to avoid this cost by enriching the air/fuel mixture and increasing the amount of unburned hydrocarbons in the exhaust to actually support complete combustion in a 'thermal reactor' (an enlarged open chamber in the exhaust manifold) without the need for a catalytic converter, thereby producing a clean exhaust at the cost of some extra fuel consumption.
So, cats are clearly not necessary on our cars. We even meet the Low Emissions Vehicle standars for CA OMGZNOWAY


In case internet sarcasm is not your stronghold, this is a partial joke.

tiltmode43 03-26-2008 03:24 AM

As far as sound, all I can say is above 6700 my ears are in aural heaven...

I am running the HKS single + MS cai with this...

rx8_fun_man 02-02-2012 10:53 PM


Originally Posted by \\Konig\\ (Post 2368592)
youve obviously never heard a rx8 with the racing beat exhaust and a catless midpipe!

Hey man I'm looking in to the racing beats exhaust and the Resonated Race Pipe, but I don't want it to be to loud when I'm just drive or to have the check engine light on got any info on this?

\\Konig\\ 02-03-2012 03:05 AM

you'll have the check engine light on unless you have a cobb accessport to hide it for you

but other than that, no the sound is not too loud while driving and you should be fine. do it!


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