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-   -   Chopped cat or muffler? (https://www.rx8club.com/rx-8-discussion-3/chopped-cat-muffler-228110/)

Thoroughscrub 01-25-2012 05:33 AM

Chopped cat or muffler?
 
Owned 3 Rotary cars now, two 7s and I've had my 8 for about 3 months now. A buddy of mine says Strait piping my exhaust would have a hugely noticeable effect on my power, as well as noise output. I'm not concerned with the noise so much, I love loud cars. Question is, is it worth it at all to chop one or both of them off? Will the o2 censor flip a bitch and keep my car from running? Is it a plausible semi0decent alternative to upgrading to a Greddy exhaust kit?
Living in Eugene, Oregon I don't have DEQ to pass, so there are no legal issues with doing this.

200.mph 01-25-2012 06:43 AM

a midpipe/gutting your cat is one of the easiest/cheapest mods for hp but not huge. yes your car will run but most likely throw a cel. the rear o2 sensor is just for emissons and the cel can be masked with a cobb access port. in the future please search as this has been beaten to death.

btw welcome and pics of your cars

monchie 01-25-2012 10:26 PM

Why chop it? Why bother cutting those pipes and the o2's might be an issue with the check engine light will be on all the time. Anyway, just get a loud exhaust and be done with it.

Thoroughscrub 01-26-2012 02:46 AM


Originally Posted by 200.mph (Post 4173603)
a midpipe/gutting your cat is one of the easiest/cheapest mods for hp but not huge. yes your car will run but most likely throw a cel. the rear o2 sensor is just for emissons and the cel can be masked with a cobb access port. in the future please search as this has been beaten to death.

btw welcome and pics of your cars


What do you mean Throw a cel?
And pics of my cars? lol

200.mph 01-26-2012 07:40 AM

gutting your cat or using a catless midpipe usually gives you a check engine light (cel). some guys have not gotten this with some midpipes but its rare. using a cobb access port you can mask the cel from not having a cat.
you can buy complete exhausts with a midpipe for $500 and can find used ones for sale here even cheaper

Jamcan 01-26-2012 09:13 PM

thank you guys I was just thinking i would have to buy a new CAT FROM THE DEALER WHO SAID IT WILL COST ME 3K TO REPLACE THE CLOUG ONE I HAVE.
YOU SEE I WHEN TO THE DEALER WHO IMFORM ME THAT I NEED A NEW ENGINE BECAUSE IT IT ADD NO POWER LIKE BEFORE THE LATER THEY SAY IT WILL NOT GO INTO HIGH RPMS BECAUSE IT NEED A NEW CAT. I HAVE SPEND 10K ON REPAIR I HAVE DONE TO THE FRONT FROM ON ACCIDENT THE I NOTE IT WAS NOT RUNNING VERY WELL THEN I TOOK IT TO THEM FOR ENGINE REPLACEMENT NOW I NEED A NEW CAT, I DID EVEN GET TO DRIVE IT. BUT I AM A FAN SO IF ONE OF YOU COULD HELP ME THAT WOULD BE GREAT ARE I WILL HAVE TO SELL IT

YaXMaN 01-26-2012 09:19 PM

1 Attachment(s)

Originally Posted by Jamcan (Post 4174991)
thank you guys I was just thinking i would have to buy a new CAT FROM THE DEALER WHO SAID IT WILL COST ME 3K TO REPLACE THE CLOUG ONE I HAVE.
YOU SEE I WHEN TO THE DEALER WHO IMFORM ME THAT I NEED A NEW ENGINE BECAUSE IT IT ADD NO POWER LIKE BEFORE THE LATER THEY SAY IT WILL NOT GO INTO HIGH RPMS BECAUSE IT NEED A NEW CAT. I HAVE SPEND 10K ON REPAIR I HAVE DONE TO THE FRONT FROM ON ACCIDENT THE I NOTE IT WAS NOT RUNNING VERY WELL THEN I TOOK IT TO THEM FOR ENGINE REPLACEMENT NOW I NEED A NEW CAT, I DID EVEN GET TO DRIVE IT. BUT I AM A FAN SO IF ONE OF YOU COULD HELP ME THAT WOULD BE GREAT ARE I WILL HAVE TO SELL IT

Attachment 236963

Wingznut 01-26-2012 10:45 PM


Originally Posted by Jamcan (Post 4174991)
thank you guys I was just thinking i would have to buy a new CAT FROM THE DEALER WHO SAID IT WILL COST ME 3K TO REPLACE THE CLOUG ONE I HAVE.
YOU SEE I WHEN TO THE DEALER WHO IMFORM ME THAT I NEED A NEW ENGINE BECAUSE IT IT ADD NO POWER LIKE BEFORE THE LATER THEY SAY IT WILL NOT GO INTO HIGH RPMS BECAUSE IT NEED A NEW CAT. I HAVE SPEND 10K ON REPAIR I HAVE DONE TO THE FRONT FROM ON ACCIDENT THE I NOTE IT WAS NOT RUNNING VERY WELL THEN I TOOK IT TO THEM FOR ENGINE REPLACEMENT NOW I NEED A NEW CAT, I DID EVEN GET TO DRIVE IT. BUT I AM A FAN SO IF ONE OF YOU COULD HELP ME THAT WOULD BE GREAT ARE I WILL HAVE TO SELL IT

Have you met DJSensation?

Thoroughscrub 01-27-2012 04:32 AM

YaXMaN

Well fuckin' played.

8 Maniac 01-27-2012 05:13 AM


Originally Posted by Thoroughscrub (Post 4175150)
YaXMaN

Well fuckin' played.

+1. I lol'd.


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