Turbo with two stage exhaust
This is the exhaust system I recently fitted . It is still a work in progress because I'm not really happy with the tone or the loudness of it . I'm sure with an extra muffler and some tweaks it will sound better .
Reason for doing it was to reduce turbine backpressure mainly as I found that at 400whp the 3" system wasn't doing the job well enough . This setup cut backpressure by a good 5psi at the turbine. Also I wanted the novelty of having a loud exhaust on demand . Left side is main 3" exhaust and is nice and quiet for around town and trips. Right side is wastegate only so there is no flow until turbo reaches the set boost pressure. https://cimg1.ibsrv.net/gimg/www.rx8...f5d7480527.jpg https://cimg4.ibsrv.net/gimg/www.rx8...6db2a3b7a8.jpg https://cimg9.ibsrv.net/gimg/www.rx8...28fc88ddd1.jpg This is at 4 psi boost: At 15psi boostpressure : |
that sounds a lot better than I thought it would
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Originally Posted by yomomspimp06
(Post 4768046)
that sounds a lot better than I thought it would
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Nice!!!
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Sounds good man.
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I've probably watched this 30 times in the last 10min. The more I listen the more I like it.
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It's kinda cool to be able to emit a very loud noise at will .........LOL
From inside it sounds a bit like a high revving v8 on launch control . It's really a LOT louder than that video suggests . |
Originally Posted by Brettus
(Post 4768256)
It's kinda cool to be able to emit a very loud noise at will .........LOL
From inside it sounds a bit like a high revving v8 on launch control . It's really a LOT louder than that video suggests . https://cimg7.ibsrv.net/gimg/www.rx8...6a6a82990e.jpg |
nice work........
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nice,
i have missed much. beers :beer: |
Doing this is fun ..........
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And another one
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Added a resonator to the wastegate side . Much happier with sound . Still loud but not obnoxious like it was .
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Sounds mean, I like it.
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Just curios why no one done that before on RX-7 or RX-8 to split exhaust pipes on stock rotary engine like here except without turbo (only rx-8 related).
Also any update on this build? |
Finally managed to get a better video . The note does get more aggressive at higher boost but this was at only 10 psi on a track day.
https://www.youtube.com/watch?v=r8Q5...GLbC1BVSnlLpOk |
Does it still sound like it spluttering on take off?
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Originally Posted by sinkas
(Post 4897110)
Does it still sound like it spluttering on take off?
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