RX-8 aftermarket exhausts SUMMARY - Page 37 - RX8Club.com

Series I Aftermarket Performance Modifications Discussion of power adding modifications
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RX-8 aftermarket exhausts SUMMARY

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Old 08-03-2017, 12:55 PM
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FL headers

Originally Posted by Dan507 View Post
I have a Toyosports cat-back on my 8. not sure whether you have heard of it or not. its a small company based in the UK. They do the Manifold and De-Cat also. My exhaust sounds really nice. It's quite high pitched, pops and bangs all the time (this is with a cat). When i get a chance i'll take a video of it.
I've been trying to buy the toyosport headers for rx8, but it seems that they don't ship to US./
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Old 08-03-2017, 11:01 PM
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That header is built in Asia and generically sold to whoever wants to put their name on it. If you study the features and then search images of "RX8 header" you can find it pretty easy. This is true for most of the "cheap" headers being sold. I assume that must be why you want it because otherwise it's not that good of a manifold design. Might as well not even change from the OE manifold.
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Old 02-07-2018, 07:29 PM
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Stock rx8 Downpipe

https://m.ebay.com/itm/STAINLESS-RAC...YAAOSwQN5aVEQH Will this work on a completely stock rx8?
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Old 02-08-2018, 12:19 AM
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Originally Posted by Andrew777 View Post
https://m.ebay.com/itm/STAINLESS-RAC...YAAOSwQN5aVEQH Will this work on a completely stock rx8?
Define "work". With a big enough hammer anything will work.
It's ebay junk. You could get lucky, you could not. It will cause a check engine light and fail emissions if you have them.
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Old 02-08-2018, 02:19 AM
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Originally Posted by Andrew777 View Post
https://m.ebay.com/itm/STAINLESS-RAC...YAAOSwQN5aVEQH Will this work on a completely stock rx8?
Rotaries supposedly sound very horrible without a proper resonator. You will notice how sharp the rotary sounds compared to most piston engines. Now imagine that being much louder and even sharper.

When buying aftermarket exhaust components, especially cats and resonators, keep the high exhaust temperature this car can put out in mind. It will melt most of the cheap stuff.
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Old 10-02-2018, 10:29 PM
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Had a rattle somewhere which i couldn't pinpoint. Changed cat back exhaust and found chunks of grey stuff in exhaust. Presume ceramic from cat ? So would it be stuffed and best option ?
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Old 10-03-2018, 03:54 PM
  #907  
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Originally Posted by Sydo View Post
Had a rattle somewhere which i couldn't pinpoint. Changed cat back exhaust and found chunks of grey stuff in exhaust. Presume ceramic from cat ? So would it be stuffed and best option ?
Yeah, it's bad.
Cheapest and fastest option is to gut it.
Don't drive it until you do, clogged cats will kill your engine, and you're lucky if it didn't do some damage already.
If you have to have a cat, there are no cheap options that last.
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Old 10-04-2018, 11:08 PM
  #908  
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am going to make a single thread about this when all my rx8 fixes are done.

but a huge mention for borla and the million mile warranty.

my borla had ~ 130k miles on it. it failed on a drive home from pettit racing.. running motor out in second and third gear.

damn was it loud.

made a phone call. gave them the month and year of purchase, who i got it from, (out of business for years) and sent them a photo of failed muffler..

they had to build one for me. but got a box from them in about 3 weeks.

in this day and age i was surprised.

beers
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Old 10-20-2018, 02:23 AM
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Meow
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Old 10-20-2018, 09:51 PM
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Originally Posted by Sydo View Post

Meow
bad kitty!

beers
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