Soul Sport Cats installed in my C4...
#107
I wasn't exactly thrilled with the loudness when I first got mine as well. I had them on my 991.2 as well and they where MUCH louder on that engine than the 992. So I somewhat agree with you. But I clearly hear WAY more induction noise than in stock form. Especially with a set of BMC drop in filters. I hear all kinds of turbo induction noises. I also drive in sport mode every time I drive. Which also makes a difference. In normal mode, they do sound like stock if you ask me.
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Tanqueray86 (11-25-2020)
#109
Imagine feeling the same disappointment with a $10,000 exhaust that is out there. LOL
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NigelPlays (11-25-2020)
#112
had soul on both my 991.2 gts and it was great.
i do think that the electonic valves are at "fault" as they close during early accelation as the gt3 does but you can disconnect them as they are not electronic as on 992
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NigelPlays (11-25-2020)
#113
Well I reinstalled my sport cats on my 2nd 992. I dont know guys. But I can hear a pretty big difference. Check out that turbo spooling sound! I love that. My butt dyno says my car feels faster too.
Last edited by BIGWORM; 12-04-2020 at 06:31 PM.
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#114
I don't think it's better than stock. But if that's what the soul cats are supposed to sound like then I guess I don't like them.
What I was aiming for was 20-50 percent more sound volume. That's why I bought them.
What I was aiming for was 20-50 percent more sound volume. That's why I bought them.
Last edited by NigelPlays; 12-05-2020 at 04:03 PM.
#116
If you want more noise, remove sound deadening material. You might not realize the sound difference, but the people outside your car do. Don't forget the amount of R&D Porsche (and every other manufacturer) does to reduce NVH. Especially now with noise restrictions.
Last edited by ryandarr1979; 12-10-2020 at 02:59 PM.
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NigelPlays (12-11-2020)
#117
Worm, (or anyone with these for that matter) do you have any audio/video of the sound while driving? I'd love to hear these when under full load at 6k-7k rpm. I care less about what they sound like on the outside, I want to know what they sound like on the inside at RPM.
Last edited by ryandarr1979; 12-10-2020 at 03:03 PM.
#118
Worm, (or anyone with these for that matter) do you have any audio/video of the sound while driving? I'd love to hear these when under full load at 6k-7k rpm. I care less about what they sound like on the outside, I want to know what they sound like on the inside at RPM.
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ryandarr1979 (12-10-2020)
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