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  #21  
Old 09-02-2022, 04:34 PM
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Estoril is on a distinguished road
I forgot to add a photo of the underside, it's really quite a rigid construction.



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Originally Posted by SamW View Post
Much appreciated! For me that sounds great. Also, a nice looking X5. Couple of questions:

-Is the diameter of the new sections same as rest of the system?
-This might be difficult or maybe even impossible to answer without a dyno test or if you already had the car set up that way when you got it, but do you notice any lack of power?
-How is the noise at highway speeds at steady low rpms, when going like 120 km/h? Is it like a stock one where it’s mostly just tire and wind noise or is it more noticeable?

Now, how about a clip showcasing the sound under full-on acceleration

Edit: Just listened the clip with a better speaker able to handle lower frequencies, now I really wan’t do mine.
I can't really tell you much about the before and after situation, I'm afraid. When I'm on the highway at about 100-130 there is no exhaust noise at all. You only hear it when accelerating.




Thanks Timmy! 😄
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  #22  
Old 09-02-2022, 06:22 PM
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Hmm. Don't know-sounds a bit barky to me. I'm after a really low burble like an American muscle car if you know what I mean.
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  #23  
Old 09-02-2022, 07:31 PM
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Moog, you need high flow cats and a muffler delete, or maybe a catback. The snappy sound comes from the resonator delete and lack of crossflow.
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  #24  
Old 09-03-2022, 05:12 AM
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Let me just drop this nugget... 4.6IS with dinan exhaust. I got the owner selling his car on craiglist to send me some audio clips of exhaust. (2019)

https://photos.app.goo.gl/e8zJzbPbGWeifdD97
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